./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i --full-output --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/certificate-witnesses-artifact/automizer --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 0ad27fb086e75bf8f5b08286d8e766d07abfe44ff39234568924cf55ade7a6d5 --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 17:56:09,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 17:56:09,663 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-12 17:56:09,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 17:56:09,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 17:56:09,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 17:56:09,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 17:56:09,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 17:56:09,697 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 17:56:09,698 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 17:56:09,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 17:56:09,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 17:56:09,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 17:56:09,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 17:56:09,699 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 17:56:09,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 17:56:09,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 17:56:09,699 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 17:56:09,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 17:56:09,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 17:56:09,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 17:56:09,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 17:56:09,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 17:56:09,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 17:56:09,705 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 17:56:09,705 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 17:56:09,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 17:56:09,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 17:56:09,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 17:56:09,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 17:56:09,706 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 17:56:09,706 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 17:56:09,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 17:56:09,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 17:56:09,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 17:56:09,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 17:56:09,706 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 17:56:09,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 17:56:09,707 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 17:56:09,707 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 17:56:09,708 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 17:56:09,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 17:56:09,709 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/certificate-witnesses-artifact/automizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ad27fb086e75bf8f5b08286d8e766d07abfe44ff39234568924cf55ade7a6d5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 17:56:09,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 17:56:09,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 17:56:09,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 17:56:09,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 17:56:09,979 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 17:56:09,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i [2024-09-12 17:56:11,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 17:56:11,362 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 17:56:11,362 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i [2024-09-12 17:56:11,370 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/b26150b96/50cfcdec63a0448ca4d6bb19d1192da7/FLAGde6a190dd [2024-09-12 17:56:11,382 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/b26150b96/50cfcdec63a0448ca4d6bb19d1192da7 [2024-09-12 17:56:11,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 17:56:11,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-12 17:56:11,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 17:56:11,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 17:56:11,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 17:56:11,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268662c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11, skipping insertion in model container [2024-09-12 17:56:11,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 17:56:11,536 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i[893,906] [2024-09-12 17:56:11,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 17:56:11,565 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 17:56:11,575 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i[893,906] [2024-09-12 17:56:11,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 17:56:11,612 INFO L204 MainTranslator]: Completed translation [2024-09-12 17:56:11,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11 WrapperNode [2024-09-12 17:56:11,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 17:56:11,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-12 17:56:11,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-12 17:56:11,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-12 17:56:11,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,628 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-12 17:56:11,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-12 17:56:11,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 17:56:11,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 17:56:11,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 17:56:11,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,640 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,656 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]. [2024-09-12 17:56:11,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 17:56:11,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 17:56:11,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 17:56:11,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 17:56:11,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11" (1/1) ... [2024-09-12 17:56:11,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 17:56:11,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:11,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 17:56:11,696 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 17:56:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 17:56:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 17:56:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 17:56:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 17:56:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 17:56:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 17:56:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 17:56:11,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 17:56:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 17:56:11,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 17:56:11,785 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 17:56:11,787 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 17:56:11,982 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-09-12 17:56:11,986 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 17:56:12,005 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 17:56:12,006 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 17:56:12,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 05:56:12 BoogieIcfgContainer [2024-09-12 17:56:12,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 17:56:12,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-12 17:56:12,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-12 17:56:12,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-12 17:56:12,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.09 05:56:11" (1/3) ... [2024-09-12 17:56:12,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3e88aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 05:56:12, skipping insertion in model container [2024-09-12 17:56:12,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:11" (2/3) ... [2024-09-12 17:56:12,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3e88aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 05:56:12, skipping insertion in model container [2024-09-12 17:56:12,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 05:56:12" (3/3) ... [2024-09-12 17:56:12,015 INFO L112 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i [2024-09-12 17:56:12,026 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-12 17:56:12,027 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-09-12 17:56:12,075 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-12 17:56:12,080 INFO L336 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=All, 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;@5d0c8659, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-12 17:56:12,080 INFO L337 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-09-12 17:56:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 39 states have (on average 1.7435897435897436) internal successors, (68), 60 states have internal predecessors, (68), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-09-12 17:56:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-09-12 17:56:12,087 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:12,087 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:12,088 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:12,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:12,093 INFO L85 PathProgramCache]: Analyzing trace with hash -678536736, now seen corresponding path program 1 times [2024-09-12 17:56:12,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:12,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649120063] [2024-09-12 17:56:12,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:12,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:12,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:12,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:12,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:12,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649120063] [2024-09-12 17:56:12,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649120063] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:12,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:12,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 17:56:12,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173083799] [2024-09-12 17:56:12,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:12,222 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 17:56:12,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:12,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 17:56:12,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 17:56:12,238 INFO L87 Difference]: Start difference. First operand has 82 states, 39 states have (on average 1.7435897435897436) internal successors, (68), 60 states have internal predecessors, (68), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:12,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:12,289 INFO L93 Difference]: Finished difference Result 156 states and 215 transitions. [2024-09-12 17:56:12,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 17:56:12,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2024-09-12 17:56:12,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:12,297 INFO L225 Difference]: With dead ends: 156 [2024-09-12 17:56:12,297 INFO L226 Difference]: Without dead ends: 76 [2024-09-12 17:56:12,300 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 17:56:12,303 INFO L434 NwaCegarLoop]: 98 mSDtfsCounter, 53 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:12,303 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 126 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:12,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-09-12 17:56:12,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-09-12 17:56:12,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 36 states have (on average 1.6388888888888888) internal successors, (59), 55 states have internal predecessors, (59), 18 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-09-12 17:56:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2024-09-12 17:56:12,355 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 7 [2024-09-12 17:56:12,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:12,355 INFO L474 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2024-09-12 17:56:12,356 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:12,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:12,356 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2024-09-12 17:56:12,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-09-12 17:56:12,357 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:12,357 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:12,357 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-12 17:56:12,357 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:12,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:12,358 INFO L85 PathProgramCache]: Analyzing trace with hash 440197707, now seen corresponding path program 1 times [2024-09-12 17:56:12,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:12,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438568263] [2024-09-12 17:56:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:12,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:12,410 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:12,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:12,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:12,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438568263] [2024-09-12 17:56:12,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438568263] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:12,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:12,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 17:56:12,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866393008] [2024-09-12 17:56:12,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:12,423 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 17:56:12,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:12,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 17:56:12,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 17:56:12,425 INFO L87 Difference]: Start difference. First operand 76 states and 94 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:12,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:12,449 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2024-09-12 17:56:12,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 17:56:12,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2024-09-12 17:56:12,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:12,451 INFO L225 Difference]: With dead ends: 76 [2024-09-12 17:56:12,451 INFO L226 Difference]: Without dead ends: 75 [2024-09-12 17:56:12,452 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 17:56:12,452 INFO L434 NwaCegarLoop]: 89 mSDtfsCounter, 49 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:12,453 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 113 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:12,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-09-12 17:56:12,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-09-12 17:56:12,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 36 states have (on average 1.6111111111111112) internal successors, (58), 54 states have internal predecessors, (58), 18 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-09-12 17:56:12,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 93 transitions. [2024-09-12 17:56:12,479 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 93 transitions. Word has length 8 [2024-09-12 17:56:12,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:12,480 INFO L474 AbstractCegarLoop]: Abstraction has 75 states and 93 transitions. [2024-09-12 17:56:12,480 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:12,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:12,481 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 93 transitions. [2024-09-12 17:56:12,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-09-12 17:56:12,482 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:12,482 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:12,482 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-12 17:56:12,482 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:12,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:12,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1394785450, now seen corresponding path program 1 times [2024-09-12 17:56:12,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:12,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575876900] [2024-09-12 17:56:12,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:12,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:12,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:12,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:12,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575876900] [2024-09-12 17:56:12,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575876900] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:12,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:12,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 17:56:12,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239730102] [2024-09-12 17:56:12,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:12,554 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 17:56:12,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:12,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 17:56:12,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 17:56:12,555 INFO L87 Difference]: Start difference. First operand 75 states and 93 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:12,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:12,625 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2024-09-12 17:56:12,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 17:56:12,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-09-12 17:56:12,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:12,627 INFO L225 Difference]: With dead ends: 108 [2024-09-12 17:56:12,628 INFO L226 Difference]: Without dead ends: 104 [2024-09-12 17:56:12,628 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 17:56:12,629 INFO L434 NwaCegarLoop]: 81 mSDtfsCounter, 18 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:12,629 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 152 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:12,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-09-12 17:56:12,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 82. [2024-09-12 17:56:12,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 43 states have (on average 1.558139534883721) internal successors, (67), 61 states have internal predecessors, (67), 18 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-09-12 17:56:12,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 102 transitions. [2024-09-12 17:56:12,652 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 102 transitions. Word has length 11 [2024-09-12 17:56:12,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:12,652 INFO L474 AbstractCegarLoop]: Abstraction has 82 states and 102 transitions. [2024-09-12 17:56:12,652 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:12,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:12,653 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2024-09-12 17:56:12,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-09-12 17:56:12,671 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:12,671 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:12,671 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-12 17:56:12,672 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:12,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:12,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1743464104, now seen corresponding path program 1 times [2024-09-12 17:56:12,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:12,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458886326] [2024-09-12 17:56:12,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:12,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:12,808 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:12,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:12,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458886326] [2024-09-12 17:56:12,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458886326] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:12,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:12,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:56:12,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778217503] [2024-09-12 17:56:12,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:12,813 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 17:56:12,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:12,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 17:56:12,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:56:12,814 INFO L87 Difference]: Start difference. First operand 82 states and 102 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:12,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:12,927 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2024-09-12 17:56:12,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 17:56:12,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-09-12 17:56:12,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:12,929 INFO L225 Difference]: With dead ends: 91 [2024-09-12 17:56:12,929 INFO L226 Difference]: Without dead ends: 89 [2024-09-12 17:56:12,929 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:56:12,930 INFO L434 NwaCegarLoop]: 74 mSDtfsCounter, 18 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:12,930 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 253 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:12,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-09-12 17:56:12,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2024-09-12 17:56:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 46 states have (on average 1.5217391304347827) internal successors, (70), 64 states have internal predecessors, (70), 18 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-09-12 17:56:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 105 transitions. [2024-09-12 17:56:12,940 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 105 transitions. Word has length 17 [2024-09-12 17:56:12,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:12,941 INFO L474 AbstractCegarLoop]: Abstraction has 86 states and 105 transitions. [2024-09-12 17:56:12,941 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:12,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2024-09-12 17:56:12,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-12 17:56:12,942 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:12,942 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:12,942 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-12 17:56:12,942 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:12,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:12,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1946740739, now seen corresponding path program 1 times [2024-09-12 17:56:12,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:12,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223428632] [2024-09-12 17:56:12,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:12,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,007 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:13,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:13,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223428632] [2024-09-12 17:56:13,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223428632] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:13,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:13,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:56:13,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704853538] [2024-09-12 17:56:13,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:13,011 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 17:56:13,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:13,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 17:56:13,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:56:13,011 INFO L87 Difference]: Start difference. First operand 86 states and 105 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:13,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:13,084 INFO L93 Difference]: Finished difference Result 105 states and 126 transitions. [2024-09-12 17:56:13,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 17:56:13,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-09-12 17:56:13,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:13,086 INFO L225 Difference]: With dead ends: 105 [2024-09-12 17:56:13,086 INFO L226 Difference]: Without dead ends: 103 [2024-09-12 17:56:13,086 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:56:13,088 INFO L434 NwaCegarLoop]: 97 mSDtfsCounter, 14 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:13,088 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 328 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:13,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-09-12 17:56:13,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2024-09-12 17:56:13,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 71 states have internal predecessors, (76), 19 states have call successors, (19), 6 states have call predecessors, (19), 5 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-09-12 17:56:13,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 113 transitions. [2024-09-12 17:56:13,110 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 113 transitions. Word has length 19 [2024-09-12 17:56:13,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:13,110 INFO L474 AbstractCegarLoop]: Abstraction has 95 states and 113 transitions. [2024-09-12 17:56:13,111 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:13,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:13,111 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 113 transitions. [2024-09-12 17:56:13,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-09-12 17:56:13,111 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:13,111 INFO L216 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:13,111 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-12 17:56:13,112 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:13,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:13,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1335428724, now seen corresponding path program 1 times [2024-09-12 17:56:13,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:13,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458648990] [2024-09-12 17:56:13,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:13,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,178 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 17:56:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:13,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:13,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458648990] [2024-09-12 17:56:13,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458648990] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:13,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:13,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:56:13,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422033434] [2024-09-12 17:56:13,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:13,190 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 17:56:13,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:13,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 17:56:13,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:56:13,191 INFO L87 Difference]: Start difference. First operand 95 states and 113 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-12 17:56:13,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:13,295 INFO L93 Difference]: Finished difference Result 124 states and 153 transitions. [2024-09-12 17:56:13,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 17:56:13,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2024-09-12 17:56:13,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:13,298 INFO L225 Difference]: With dead ends: 124 [2024-09-12 17:56:13,298 INFO L226 Difference]: Without dead ends: 122 [2024-09-12 17:56:13,299 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:56:13,300 INFO L434 NwaCegarLoop]: 79 mSDtfsCounter, 18 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:13,303 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 288 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:13,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-09-12 17:56:13,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 108. [2024-09-12 17:56:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 79 states have internal predecessors, (82), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2024-09-12 17:56:13,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 133 transitions. [2024-09-12 17:56:13,324 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 133 transitions. Word has length 22 [2024-09-12 17:56:13,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:13,325 INFO L474 AbstractCegarLoop]: Abstraction has 108 states and 133 transitions. [2024-09-12 17:56:13,325 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-12 17:56:13,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:13,326 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 133 transitions. [2024-09-12 17:56:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-09-12 17:56:13,326 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:13,326 INFO L216 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:13,326 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-12 17:56:13,327 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:13,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:13,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1534213480, now seen corresponding path program 1 times [2024-09-12 17:56:13,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:13,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82852708] [2024-09-12 17:56:13,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:13,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,418 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 17:56:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,426 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-12 17:56:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-12 17:56:13,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:13,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82852708] [2024-09-12 17:56:13,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82852708] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:13,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:13,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-12 17:56:13,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054125144] [2024-09-12 17:56:13,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:13,433 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:56:13,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:13,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:56:13,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:56:13,434 INFO L87 Difference]: Start difference. First operand 108 states and 133 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 17:56:13,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:13,539 INFO L93 Difference]: Finished difference Result 114 states and 138 transitions. [2024-09-12 17:56:13,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-12 17:56:13,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-09-12 17:56:13,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:13,540 INFO L225 Difference]: With dead ends: 114 [2024-09-12 17:56:13,540 INFO L226 Difference]: Without dead ends: 112 [2024-09-12 17:56:13,541 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:13,541 INFO L434 NwaCegarLoop]: 87 mSDtfsCounter, 60 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:13,541 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 314 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:13,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-09-12 17:56:13,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-09-12 17:56:13,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 82 states have internal predecessors, (85), 26 states have call successors, (26), 8 states have call predecessors, (26), 7 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2024-09-12 17:56:13,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 136 transitions. [2024-09-12 17:56:13,560 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 136 transitions. Word has length 27 [2024-09-12 17:56:13,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:13,560 INFO L474 AbstractCegarLoop]: Abstraction has 112 states and 136 transitions. [2024-09-12 17:56:13,560 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 17:56:13,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:13,561 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2024-09-12 17:56:13,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-09-12 17:56:13,561 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:13,561 INFO L216 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:13,562 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-12 17:56:13,562 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:13,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:13,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1421481140, now seen corresponding path program 1 times [2024-09-12 17:56:13,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:13,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821790713] [2024-09-12 17:56:13,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:13,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,605 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 17:56:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,614 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-12 17:56:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,618 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-12 17:56:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 17:56:13,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:13,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821790713] [2024-09-12 17:56:13,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821790713] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:13,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:13,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:56:13,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799768252] [2024-09-12 17:56:13,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:13,623 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 17:56:13,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:13,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 17:56:13,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:56:13,624 INFO L87 Difference]: Start difference. First operand 112 states and 136 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-09-12 17:56:13,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:13,717 INFO L93 Difference]: Finished difference Result 143 states and 180 transitions. [2024-09-12 17:56:13,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 17:56:13,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2024-09-12 17:56:13,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:13,720 INFO L225 Difference]: With dead ends: 143 [2024-09-12 17:56:13,720 INFO L226 Difference]: Without dead ends: 141 [2024-09-12 17:56:13,721 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:56:13,722 INFO L434 NwaCegarLoop]: 91 mSDtfsCounter, 13 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:13,722 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 333 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:13,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-09-12 17:56:13,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 135. [2024-09-12 17:56:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 71 states have (on average 1.4507042253521127) internal successors, (103), 96 states have internal predecessors, (103), 37 states have call successors, (37), 9 states have call predecessors, (37), 8 states have return successors, (36), 29 states have call predecessors, (36), 36 states have call successors, (36) [2024-09-12 17:56:13,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 176 transitions. [2024-09-12 17:56:13,754 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 176 transitions. Word has length 32 [2024-09-12 17:56:13,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:13,755 INFO L474 AbstractCegarLoop]: Abstraction has 135 states and 176 transitions. [2024-09-12 17:56:13,755 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-09-12 17:56:13,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:13,755 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 176 transitions. [2024-09-12 17:56:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-09-12 17:56:13,756 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:13,756 INFO L216 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:13,756 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-12 17:56:13,756 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:13,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:13,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1027980378, now seen corresponding path program 1 times [2024-09-12 17:56:13,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:13,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090920408] [2024-09-12 17:56:13,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:13,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,783 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,785 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 17:56:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,787 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-12 17:56:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,789 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-12 17:56:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,791 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-09-12 17:56:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 17:56:13,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:13,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090920408] [2024-09-12 17:56:13,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090920408] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:13,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:13,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:56:13,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420501076] [2024-09-12 17:56:13,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:13,794 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:56:13,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:13,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:56:13,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:13,795 INFO L87 Difference]: Start difference. First operand 135 states and 176 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-09-12 17:56:13,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:13,834 INFO L93 Difference]: Finished difference Result 145 states and 182 transitions. [2024-09-12 17:56:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:56:13,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2024-09-12 17:56:13,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:13,835 INFO L225 Difference]: With dead ends: 145 [2024-09-12 17:56:13,835 INFO L226 Difference]: Without dead ends: 143 [2024-09-12 17:56:13,835 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:13,836 INFO L434 NwaCegarLoop]: 90 mSDtfsCounter, 11 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:13,836 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 257 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:13,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-09-12 17:56:13,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 138. [2024-09-12 17:56:13,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 98 states have internal predecessors, (106), 37 states have call successors, (37), 9 states have call predecessors, (37), 8 states have return successors, (36), 30 states have call predecessors, (36), 36 states have call successors, (36) [2024-09-12 17:56:13,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2024-09-12 17:56:13,860 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 179 transitions. Word has length 35 [2024-09-12 17:56:13,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:13,860 INFO L474 AbstractCegarLoop]: Abstraction has 138 states and 179 transitions. [2024-09-12 17:56:13,860 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-09-12 17:56:13,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:13,860 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 179 transitions. [2024-09-12 17:56:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-09-12 17:56:13,862 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:13,862 INFO L216 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:13,862 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-12 17:56:13,862 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:13,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:13,863 INFO L85 PathProgramCache]: Analyzing trace with hash -46661240, now seen corresponding path program 1 times [2024-09-12 17:56:13,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:13,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070157836] [2024-09-12 17:56:13,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:13,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,889 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,891 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 17:56:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,893 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-12 17:56:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,895 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-12 17:56:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-09-12 17:56:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:13,905 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 17:56:13,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:13,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070157836] [2024-09-12 17:56:13,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070157836] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:13,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:13,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:56:13,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506745574] [2024-09-12 17:56:13,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:13,906 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:56:13,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:13,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:56:13,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:13,906 INFO L87 Difference]: Start difference. First operand 138 states and 179 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-09-12 17:56:13,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:13,976 INFO L93 Difference]: Finished difference Result 154 states and 199 transitions. [2024-09-12 17:56:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:56:13,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 37 [2024-09-12 17:56:13,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:13,978 INFO L225 Difference]: With dead ends: 154 [2024-09-12 17:56:13,978 INFO L226 Difference]: Without dead ends: 152 [2024-09-12 17:56:13,979 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:13,979 INFO L434 NwaCegarLoop]: 79 mSDtfsCounter, 12 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:13,979 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 226 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:13,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-09-12 17:56:13,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 145. [2024-09-12 17:56:13,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 79 states have (on average 1.4050632911392404) internal successors, (111), 102 states have internal predecessors, (111), 39 states have call successors, (39), 9 states have call predecessors, (39), 8 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38) [2024-09-12 17:56:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 188 transitions. [2024-09-12 17:56:14,001 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 188 transitions. Word has length 37 [2024-09-12 17:56:14,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:14,002 INFO L474 AbstractCegarLoop]: Abstraction has 145 states and 188 transitions. [2024-09-12 17:56:14,002 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-09-12 17:56:14,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:14,005 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 188 transitions. [2024-09-12 17:56:14,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-09-12 17:56:14,006 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:14,006 INFO L216 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:14,006 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-12 17:56:14,006 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:14,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:14,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1484527001, now seen corresponding path program 1 times [2024-09-12 17:56:14,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:14,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443109397] [2024-09-12 17:56:14,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:14,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 17:56:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,064 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-12 17:56:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,066 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-12 17:56:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,070 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-09-12 17:56:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,072 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 17:56:14,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:14,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443109397] [2024-09-12 17:56:14,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443109397] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:14,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541260386] [2024-09-12 17:56:14,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:14,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:14,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:14,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:14,078 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-12 17:56:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-09-12 17:56:14,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:14,170 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 17:56:14,170 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:14,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541260386] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:14,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:14,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-09-12 17:56:14,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522441106] [2024-09-12 17:56:14,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:14,171 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:56:14,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:14,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:56:14,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:56:14,171 INFO L87 Difference]: Start difference. First operand 145 states and 188 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-09-12 17:56:14,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:14,249 INFO L93 Difference]: Finished difference Result 201 states and 278 transitions. [2024-09-12 17:56:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:56:14,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 40 [2024-09-12 17:56:14,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:14,252 INFO L225 Difference]: With dead ends: 201 [2024-09-12 17:56:14,252 INFO L226 Difference]: Without dead ends: 198 [2024-09-12 17:56:14,252 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:56:14,252 INFO L434 NwaCegarLoop]: 76 mSDtfsCounter, 19 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:14,253 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 220 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:14,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-09-12 17:56:14,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 183. [2024-09-12 17:56:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 128 states have internal predecessors, (147), 53 states have call successors, (53), 9 states have call predecessors, (53), 8 states have return successors, (52), 45 states have call predecessors, (52), 52 states have call successors, (52) [2024-09-12 17:56:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 252 transitions. [2024-09-12 17:56:14,282 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 252 transitions. Word has length 40 [2024-09-12 17:56:14,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:14,283 INFO L474 AbstractCegarLoop]: Abstraction has 183 states and 252 transitions. [2024-09-12 17:56:14,283 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-09-12 17:56:14,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:14,284 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 252 transitions. [2024-09-12 17:56:14,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-09-12 17:56:14,286 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:14,286 INFO L216 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:14,298 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-12 17:56:14,490 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-12 17:56:14,491 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:14,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:14,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1224303162, now seen corresponding path program 1 times [2024-09-12 17:56:14,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:14,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611672528] [2024-09-12 17:56:14,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:14,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,520 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,522 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 17:56:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,524 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-12 17:56:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,525 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-12 17:56:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,527 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-09-12 17:56:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 17:56:14,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:14,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611672528] [2024-09-12 17:56:14,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611672528] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:14,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796354271] [2024-09-12 17:56:14,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:14,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:14,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:14,530 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:14,531 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-12 17:56:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:14,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-12 17:56:14,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 17:56:14,604 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:14,678 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 17:56:14,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796354271] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:14,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:14,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-09-12 17:56:14,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182137817] [2024-09-12 17:56:14,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:14,679 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-12 17:56:14,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:14,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-12 17:56:14,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:56:14,680 INFO L87 Difference]: Start difference. First operand 183 states and 252 transitions. Second operand has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-09-12 17:56:14,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:14,822 INFO L93 Difference]: Finished difference Result 253 states and 359 transitions. [2024-09-12 17:56:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:56:14,822 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 41 [2024-09-12 17:56:14,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:14,824 INFO L225 Difference]: With dead ends: 253 [2024-09-12 17:56:14,824 INFO L226 Difference]: Without dead ends: 250 [2024-09-12 17:56:14,824 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:56:14,825 INFO L434 NwaCegarLoop]: 77 mSDtfsCounter, 82 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:14,825 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 358 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:14,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-09-12 17:56:14,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 228. [2024-09-12 17:56:14,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 135 states have (on average 1.3703703703703705) internal successors, (185), 161 states have internal predecessors, (185), 67 states have call successors, (67), 9 states have call predecessors, (67), 8 states have return successors, (66), 57 states have call predecessors, (66), 66 states have call successors, (66) [2024-09-12 17:56:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 318 transitions. [2024-09-12 17:56:14,864 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 318 transitions. Word has length 41 [2024-09-12 17:56:14,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:14,865 INFO L474 AbstractCegarLoop]: Abstraction has 228 states and 318 transitions. [2024-09-12 17:56:14,865 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-09-12 17:56:14,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 318 transitions. [2024-09-12 17:56:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-09-12 17:56:14,866 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:14,866 INFO L216 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:14,878 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-12 17:56:15,067 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-09-12 17:56:15,067 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:15,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:15,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1722482270, now seen corresponding path program 1 times [2024-09-12 17:56:15,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:15,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738833901] [2024-09-12 17:56:15,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:15,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,103 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,105 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,116 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,118 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,120 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-09-12 17:56:15,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:15,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738833901] [2024-09-12 17:56:15,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738833901] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:15,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:15,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:56:15,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466392890] [2024-09-12 17:56:15,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:15,122 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:56:15,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:15,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:56:15,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:15,124 INFO L87 Difference]: Start difference. First operand 228 states and 318 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-09-12 17:56:15,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:15,179 INFO L93 Difference]: Finished difference Result 236 states and 323 transitions. [2024-09-12 17:56:15,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:56:15,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 49 [2024-09-12 17:56:15,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:15,181 INFO L225 Difference]: With dead ends: 236 [2024-09-12 17:56:15,181 INFO L226 Difference]: Without dead ends: 234 [2024-09-12 17:56:15,182 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:15,183 INFO L434 NwaCegarLoop]: 88 mSDtfsCounter, 6 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:15,183 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 252 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:15,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-09-12 17:56:15,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 231. [2024-09-12 17:56:15,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 138 states have (on average 1.3623188405797102) internal successors, (188), 163 states have internal predecessors, (188), 67 states have call successors, (67), 9 states have call predecessors, (67), 8 states have return successors, (66), 58 states have call predecessors, (66), 66 states have call successors, (66) [2024-09-12 17:56:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 321 transitions. [2024-09-12 17:56:15,226 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 321 transitions. Word has length 49 [2024-09-12 17:56:15,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:15,226 INFO L474 AbstractCegarLoop]: Abstraction has 231 states and 321 transitions. [2024-09-12 17:56:15,227 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-09-12 17:56:15,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:15,227 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 321 transitions. [2024-09-12 17:56:15,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-09-12 17:56:15,228 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:15,228 INFO L216 NwaCegarLoop]: trace histogram [6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:15,228 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-12 17:56:15,228 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:15,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:15,229 INFO L85 PathProgramCache]: Analyzing trace with hash -397274587, now seen corresponding path program 1 times [2024-09-12 17:56:15,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:15,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846455806] [2024-09-12 17:56:15,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:15,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,291 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,293 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 17:56:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,295 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-12 17:56:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,297 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-12 17:56:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,298 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-09-12 17:56:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,300 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-09-12 17:56:15,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:15,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846455806] [2024-09-12 17:56:15,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846455806] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:15,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776548481] [2024-09-12 17:56:15,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:15,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:15,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:15,304 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:15,305 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-12 17:56:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-12 17:56:15,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:15,381 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-09-12 17:56:15,381 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:15,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776548481] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:15,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:15,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-09-12 17:56:15,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453315045] [2024-09-12 17:56:15,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:15,382 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 17:56:15,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:15,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 17:56:15,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:56:15,385 INFO L87 Difference]: Start difference. First operand 231 states and 321 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-09-12 17:56:15,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:15,469 INFO L93 Difference]: Finished difference Result 483 states and 681 transitions. [2024-09-12 17:56:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 17:56:15,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 51 [2024-09-12 17:56:15,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:15,472 INFO L225 Difference]: With dead ends: 483 [2024-09-12 17:56:15,472 INFO L226 Difference]: Without dead ends: 266 [2024-09-12 17:56:15,474 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:56:15,475 INFO L434 NwaCegarLoop]: 86 mSDtfsCounter, 4 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:15,476 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 232 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:15,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-09-12 17:56:15,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 264. [2024-09-12 17:56:15,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 156 states have (on average 1.3525641025641026) internal successors, (211), 175 states have internal predecessors, (211), 82 states have call successors, (82), 9 states have call predecessors, (82), 8 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-09-12 17:56:15,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 373 transitions. [2024-09-12 17:56:15,518 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 373 transitions. Word has length 51 [2024-09-12 17:56:15,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:15,519 INFO L474 AbstractCegarLoop]: Abstraction has 264 states and 373 transitions. [2024-09-12 17:56:15,519 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-09-12 17:56:15,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:15,519 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 373 transitions. [2024-09-12 17:56:15,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-09-12 17:56:15,520 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:15,520 INFO L216 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:15,531 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-12 17:56:15,720 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-12 17:56:15,721 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:15,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:15,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1743049724, now seen corresponding path program 1 times [2024-09-12 17:56:15,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:15,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894861064] [2024-09-12 17:56:15,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:15,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,747 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,749 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,751 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,754 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-09-12 17:56:15,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:15,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894861064] [2024-09-12 17:56:15,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894861064] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:15,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:15,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:56:15,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324837522] [2024-09-12 17:56:15,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:15,760 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:56:15,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:15,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:56:15,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:15,761 INFO L87 Difference]: Start difference. First operand 264 states and 373 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-09-12 17:56:15,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:15,837 INFO L93 Difference]: Finished difference Result 273 states and 384 transitions. [2024-09-12 17:56:15,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:56:15,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2024-09-12 17:56:15,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:15,839 INFO L225 Difference]: With dead ends: 273 [2024-09-12 17:56:15,839 INFO L226 Difference]: Without dead ends: 271 [2024-09-12 17:56:15,840 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:15,840 INFO L434 NwaCegarLoop]: 79 mSDtfsCounter, 5 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:15,840 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 226 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:15,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-09-12 17:56:15,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2024-09-12 17:56:15,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 161 states have (on average 1.3416149068322982) internal successors, (216), 179 states have internal predecessors, (216), 84 states have call successors, (84), 9 states have call predecessors, (84), 8 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-09-12 17:56:15,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 382 transitions. [2024-09-12 17:56:15,873 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 382 transitions. Word has length 51 [2024-09-12 17:56:15,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:15,873 INFO L474 AbstractCegarLoop]: Abstraction has 271 states and 382 transitions. [2024-09-12 17:56:15,874 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-09-12 17:56:15,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:15,874 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 382 transitions. [2024-09-12 17:56:15,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-09-12 17:56:15,874 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:15,874 INFO L216 NwaCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:15,875 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-12 17:56:15,875 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:15,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:15,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1646440959, now seen corresponding path program 1 times [2024-09-12 17:56:15,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:15,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470821665] [2024-09-12 17:56:15,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:15,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,957 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,958 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,964 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,967 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,972 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-09-12 17:56:15,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:15,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470821665] [2024-09-12 17:56:15,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470821665] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:15,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:15,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-12 17:56:15,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701580321] [2024-09-12 17:56:15,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:15,975 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 17:56:15,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:15,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 17:56:15,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:15,976 INFO L87 Difference]: Start difference. First operand 271 states and 382 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-09-12 17:56:16,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:16,172 INFO L93 Difference]: Finished difference Result 295 states and 408 transitions. [2024-09-12 17:56:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 17:56:16,172 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2024-09-12 17:56:16,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:16,174 INFO L225 Difference]: With dead ends: 295 [2024-09-12 17:56:16,174 INFO L226 Difference]: Without dead ends: 293 [2024-09-12 17:56:16,174 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:56:16,175 INFO L434 NwaCegarLoop]: 65 mSDtfsCounter, 39 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:16,175 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 333 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:16,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-09-12 17:56:16,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 280. [2024-09-12 17:56:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 167 states have (on average 1.3293413173652695) internal successors, (222), 186 states have internal predecessors, (222), 85 states have call successors, (85), 11 states have call predecessors, (85), 10 states have return successors, (83), 82 states have call predecessors, (83), 83 states have call successors, (83) [2024-09-12 17:56:16,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 390 transitions. [2024-09-12 17:56:16,208 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 390 transitions. Word has length 56 [2024-09-12 17:56:16,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:16,208 INFO L474 AbstractCegarLoop]: Abstraction has 280 states and 390 transitions. [2024-09-12 17:56:16,208 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-09-12 17:56:16,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:16,208 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 390 transitions. [2024-09-12 17:56:16,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-09-12 17:56:16,209 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:16,209 INFO L216 NwaCegarLoop]: trace histogram [8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:16,209 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-12 17:56:16,209 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:16,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:16,210 INFO L85 PathProgramCache]: Analyzing trace with hash 2025648045, now seen corresponding path program 1 times [2024-09-12 17:56:16,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:16,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724051838] [2024-09-12 17:56:16,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:16,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,283 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,285 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,291 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,293 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,295 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-09-12 17:56:16,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:16,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724051838] [2024-09-12 17:56:16,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724051838] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:16,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:16,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-12 17:56:16,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439371754] [2024-09-12 17:56:16,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:16,300 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 17:56:16,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:16,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 17:56:16,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:56:16,301 INFO L87 Difference]: Start difference. First operand 280 states and 390 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-09-12 17:56:16,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:16,437 INFO L93 Difference]: Finished difference Result 294 states and 406 transitions. [2024-09-12 17:56:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:56:16,437 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 61 [2024-09-12 17:56:16,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:16,439 INFO L225 Difference]: With dead ends: 294 [2024-09-12 17:56:16,439 INFO L226 Difference]: Without dead ends: 292 [2024-09-12 17:56:16,439 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:16,439 INFO L434 NwaCegarLoop]: 75 mSDtfsCounter, 11 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:16,440 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 405 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:16,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-09-12 17:56:16,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 285. [2024-09-12 17:56:16,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 170 states have (on average 1.3235294117647058) internal successors, (225), 189 states have internal predecessors, (225), 86 states have call successors, (86), 12 states have call predecessors, (86), 11 states have return successors, (84), 83 states have call predecessors, (84), 84 states have call successors, (84) [2024-09-12 17:56:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 395 transitions. [2024-09-12 17:56:16,472 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 395 transitions. Word has length 61 [2024-09-12 17:56:16,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:16,472 INFO L474 AbstractCegarLoop]: Abstraction has 285 states and 395 transitions. [2024-09-12 17:56:16,472 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-09-12 17:56:16,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 395 transitions. [2024-09-12 17:56:16,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-09-12 17:56:16,473 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:16,473 INFO L216 NwaCegarLoop]: trace histogram [9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:16,473 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-12 17:56:16,473 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:16,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:16,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1291245953, now seen corresponding path program 1 times [2024-09-12 17:56:16,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:16,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468175404] [2024-09-12 17:56:16,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:16,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,583 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,584 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,587 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,590 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,595 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,598 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,602 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,604 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,606 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,609 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-09-12 17:56:16,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:16,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468175404] [2024-09-12 17:56:16,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468175404] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:16,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:16,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-12 17:56:16,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004555055] [2024-09-12 17:56:16,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:16,610 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-12 17:56:16,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:16,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-12 17:56:16,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-09-12 17:56:16,611 INFO L87 Difference]: Start difference. First operand 285 states and 395 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-09-12 17:56:16,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:16,815 INFO L93 Difference]: Finished difference Result 303 states and 413 transitions. [2024-09-12 17:56:16,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 17:56:16,816 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 66 [2024-09-12 17:56:16,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:16,818 INFO L225 Difference]: With dead ends: 303 [2024-09-12 17:56:16,818 INFO L226 Difference]: Without dead ends: 301 [2024-09-12 17:56:16,818 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-09-12 17:56:16,818 INFO L434 NwaCegarLoop]: 86 mSDtfsCounter, 89 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:16,819 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 503 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:16,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-09-12 17:56:16,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 294. [2024-09-12 17:56:16,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 175 states have (on average 1.3257142857142856) internal successors, (232), 195 states have internal predecessors, (232), 89 states have call successors, (89), 13 states have call predecessors, (89), 12 states have return successors, (87), 85 states have call predecessors, (87), 87 states have call successors, (87) [2024-09-12 17:56:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 408 transitions. [2024-09-12 17:56:16,865 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 408 transitions. Word has length 66 [2024-09-12 17:56:16,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:16,865 INFO L474 AbstractCegarLoop]: Abstraction has 294 states and 408 transitions. [2024-09-12 17:56:16,865 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-09-12 17:56:16,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:16,866 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 408 transitions. [2024-09-12 17:56:16,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-09-12 17:56:16,866 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:16,866 INFO L216 NwaCegarLoop]: trace histogram [8, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:16,866 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-09-12 17:56:16,866 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:16,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:16,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1394204703, now seen corresponding path program 1 times [2024-09-12 17:56:16,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:16,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862459789] [2024-09-12 17:56:16,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:16,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,936 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-09-12 17:56:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,939 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-09-12 17:56:16,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:16,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862459789] [2024-09-12 17:56:16,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862459789] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:16,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894636962] [2024-09-12 17:56:16,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:16,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:16,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:16,941 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:16,942 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-12 17:56:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-12 17:56:16,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-12 17:56:17,084 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:17,199 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-12 17:56:17,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894636962] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:17,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:17,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 9] total 17 [2024-09-12 17:56:17,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384423355] [2024-09-12 17:56:17,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:17,200 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-12 17:56:17,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:17,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-12 17:56:17,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-09-12 17:56:17,201 INFO L87 Difference]: Start difference. First operand 294 states and 408 transitions. Second operand has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 16 states have internal predecessors, (67), 7 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (20), 5 states have call predecessors, (20), 7 states have call successors, (20) [2024-09-12 17:56:17,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:17,592 INFO L93 Difference]: Finished difference Result 328 states and 443 transitions. [2024-09-12 17:56:17,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-12 17:56:17,592 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 16 states have internal predecessors, (67), 7 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (20), 5 states have call predecessors, (20), 7 states have call successors, (20) Word has length 65 [2024-09-12 17:56:17,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:17,594 INFO L225 Difference]: With dead ends: 328 [2024-09-12 17:56:17,594 INFO L226 Difference]: Without dead ends: 323 [2024-09-12 17:56:17,594 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2024-09-12 17:56:17,595 INFO L434 NwaCegarLoop]: 81 mSDtfsCounter, 76 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:17,595 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 491 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:56:17,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-09-12 17:56:17,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 281. [2024-09-12 17:56:17,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 170 states have (on average 1.2941176470588236) internal successors, (220), 194 states have internal predecessors, (220), 79 states have call successors, (79), 16 states have call predecessors, (79), 15 states have return successors, (78), 70 states have call predecessors, (78), 78 states have call successors, (78) [2024-09-12 17:56:17,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 377 transitions. [2024-09-12 17:56:17,631 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 377 transitions. Word has length 65 [2024-09-12 17:56:17,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:17,631 INFO L474 AbstractCegarLoop]: Abstraction has 281 states and 377 transitions. [2024-09-12 17:56:17,632 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 16 states have internal predecessors, (67), 7 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (20), 5 states have call predecessors, (20), 7 states have call successors, (20) [2024-09-12 17:56:17,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:17,632 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 377 transitions. [2024-09-12 17:56:17,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-09-12 17:56:17,634 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:17,634 INFO L216 NwaCegarLoop]: trace histogram [10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:17,648 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-12 17:56:17,838 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:17,839 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:17,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:17,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1805288787, now seen corresponding path program 1 times [2024-09-12 17:56:17,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:17,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996669955] [2024-09-12 17:56:17,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:17,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:17,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:17,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:17,921 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:17,922 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:17,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:17,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:17,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:17,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:17,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:17,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:17,935 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-09-12 17:56:17,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:17,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996669955] [2024-09-12 17:56:17,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996669955] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:17,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:17,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-12 17:56:17,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072180992] [2024-09-12 17:56:17,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:17,936 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 17:56:17,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:17,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 17:56:17,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:56:17,937 INFO L87 Difference]: Start difference. First operand 281 states and 377 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-09-12 17:56:18,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:18,060 INFO L93 Difference]: Finished difference Result 294 states and 385 transitions. [2024-09-12 17:56:18,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:56:18,061 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 71 [2024-09-12 17:56:18,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:18,062 INFO L225 Difference]: With dead ends: 294 [2024-09-12 17:56:18,062 INFO L226 Difference]: Without dead ends: 292 [2024-09-12 17:56:18,063 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:18,063 INFO L434 NwaCegarLoop]: 87 mSDtfsCounter, 10 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:18,063 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 473 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:18,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-09-12 17:56:18,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 286. [2024-09-12 17:56:18,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 173 states have (on average 1.2890173410404624) internal successors, (223), 197 states have internal predecessors, (223), 80 states have call successors, (80), 17 states have call predecessors, (80), 16 states have return successors, (79), 71 states have call predecessors, (79), 79 states have call successors, (79) [2024-09-12 17:56:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 382 transitions. [2024-09-12 17:56:18,097 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 382 transitions. Word has length 71 [2024-09-12 17:56:18,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:18,097 INFO L474 AbstractCegarLoop]: Abstraction has 286 states and 382 transitions. [2024-09-12 17:56:18,097 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-09-12 17:56:18,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:18,097 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 382 transitions. [2024-09-12 17:56:18,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-09-12 17:56:18,098 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:18,098 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:18,098 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-09-12 17:56:18,098 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:18,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:18,098 INFO L85 PathProgramCache]: Analyzing trace with hash 227131169, now seen corresponding path program 1 times [2024-09-12 17:56:18,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:18,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517555809] [2024-09-12 17:56:18,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:18,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,141 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,143 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,144 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,146 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,148 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,150 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,152 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,153 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,157 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,158 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,160 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-09-12 17:56:18,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:18,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517555809] [2024-09-12 17:56:18,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517555809] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:18,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:18,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:56:18,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036817119] [2024-09-12 17:56:18,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:18,165 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:56:18,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:18,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:56:18,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:56:18,165 INFO L87 Difference]: Start difference. First operand 286 states and 382 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-09-12 17:56:18,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:18,254 INFO L93 Difference]: Finished difference Result 302 states and 396 transitions. [2024-09-12 17:56:18,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-12 17:56:18,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 74 [2024-09-12 17:56:18,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:18,256 INFO L225 Difference]: With dead ends: 302 [2024-09-12 17:56:18,256 INFO L226 Difference]: Without dead ends: 301 [2024-09-12 17:56:18,256 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:56:18,256 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 12 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:18,257 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 392 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:18,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-09-12 17:56:18,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 288. [2024-09-12 17:56:18,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 175 states have (on average 1.2857142857142858) internal successors, (225), 198 states have internal predecessors, (225), 80 states have call successors, (80), 17 states have call predecessors, (80), 16 states have return successors, (79), 72 states have call predecessors, (79), 79 states have call successors, (79) [2024-09-12 17:56:18,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 384 transitions. [2024-09-12 17:56:18,289 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 384 transitions. Word has length 74 [2024-09-12 17:56:18,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:18,289 INFO L474 AbstractCegarLoop]: Abstraction has 288 states and 384 transitions. [2024-09-12 17:56:18,289 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-09-12 17:56:18,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:18,289 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 384 transitions. [2024-09-12 17:56:18,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-09-12 17:56:18,291 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:18,291 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:18,291 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-09-12 17:56:18,291 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:18,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:18,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1548868253, now seen corresponding path program 1 times [2024-09-12 17:56:18,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:18,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408951412] [2024-09-12 17:56:18,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:18,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,338 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,339 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,341 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,344 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,345 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,348 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,350 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,351 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,353 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,354 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,356 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-09-12 17:56:18,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:18,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408951412] [2024-09-12 17:56:18,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408951412] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:18,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:18,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:56:18,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449989686] [2024-09-12 17:56:18,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:18,357 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:56:18,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:18,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:56:18,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:56:18,358 INFO L87 Difference]: Start difference. First operand 288 states and 384 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-09-12 17:56:18,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:18,430 INFO L93 Difference]: Finished difference Result 295 states and 386 transitions. [2024-09-12 17:56:18,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-12 17:56:18,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 75 [2024-09-12 17:56:18,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:18,433 INFO L225 Difference]: With dead ends: 295 [2024-09-12 17:56:18,433 INFO L226 Difference]: Without dead ends: 294 [2024-09-12 17:56:18,434 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:56:18,434 INFO L434 NwaCegarLoop]: 87 mSDtfsCounter, 7 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:18,434 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 407 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:18,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-09-12 17:56:18,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 289. [2024-09-12 17:56:18,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 176 states have (on average 1.2840909090909092) internal successors, (226), 199 states have internal predecessors, (226), 80 states have call successors, (80), 17 states have call predecessors, (80), 16 states have return successors, (79), 72 states have call predecessors, (79), 79 states have call successors, (79) [2024-09-12 17:56:18,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 385 transitions. [2024-09-12 17:56:18,465 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 385 transitions. Word has length 75 [2024-09-12 17:56:18,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:18,466 INFO L474 AbstractCegarLoop]: Abstraction has 289 states and 385 transitions. [2024-09-12 17:56:18,466 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-09-12 17:56:18,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:18,466 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 385 transitions. [2024-09-12 17:56:18,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-09-12 17:56:18,466 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:18,467 INFO L216 NwaCegarLoop]: trace histogram [10, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:18,467 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-09-12 17:56:18,467 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:18,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:18,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1216550047, now seen corresponding path program 2 times [2024-09-12 17:56:18,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:18,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196266505] [2024-09-12 17:56:18,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:18,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,522 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,524 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,525 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,527 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,528 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,531 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,532 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-09-12 17:56:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,534 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-09-12 17:56:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,535 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-09-12 17:56:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:18,536 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-09-12 17:56:18,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:18,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196266505] [2024-09-12 17:56:18,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196266505] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:18,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668443315] [2024-09-12 17:56:18,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:56:18,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:18,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:18,538 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:18,540 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-12 17:56:18,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 17:56:18,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:56:18,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-12 17:56:18,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-09-12 17:56:18,630 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:18,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668443315] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:18,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:18,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-09-12 17:56:18,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462945149] [2024-09-12 17:56:18,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:18,631 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 17:56:18,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:18,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 17:56:18,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-09-12 17:56:18,632 INFO L87 Difference]: Start difference. First operand 289 states and 385 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-09-12 17:56:18,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:18,776 INFO L93 Difference]: Finished difference Result 334 states and 446 transitions. [2024-09-12 17:56:18,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:56:18,778 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 75 [2024-09-12 17:56:18,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:18,780 INFO L225 Difference]: With dead ends: 334 [2024-09-12 17:56:18,780 INFO L226 Difference]: Without dead ends: 331 [2024-09-12 17:56:18,780 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-09-12 17:56:18,781 INFO L434 NwaCegarLoop]: 113 mSDtfsCounter, 16 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:18,781 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 588 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:18,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-09-12 17:56:18,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 322. [2024-09-12 17:56:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 194 states have (on average 1.2783505154639174) internal successors, (248), 218 states have internal predecessors, (248), 94 states have call successors, (94), 18 states have call predecessors, (94), 17 states have return successors, (93), 85 states have call predecessors, (93), 93 states have call successors, (93) [2024-09-12 17:56:18,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 435 transitions. [2024-09-12 17:56:18,817 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 435 transitions. Word has length 75 [2024-09-12 17:56:18,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:18,818 INFO L474 AbstractCegarLoop]: Abstraction has 322 states and 435 transitions. [2024-09-12 17:56:18,818 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-09-12 17:56:18,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:18,819 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 435 transitions. [2024-09-12 17:56:18,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-09-12 17:56:18,820 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:18,820 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:18,832 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-12 17:56:19,020 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-09-12 17:56:19,021 INFO L399 AbstractCegarLoop]: === Iteration 24 === Targeting mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:19,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:19,021 INFO L85 PathProgramCache]: Analyzing trace with hash -770275485, now seen corresponding path program 1 times [2024-09-12 17:56:19,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:19,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134878051] [2024-09-12 17:56:19,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:19,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,061 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,063 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,064 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,065 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,066 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,069 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,076 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,078 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-09-12 17:56:19,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:19,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134878051] [2024-09-12 17:56:19,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134878051] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:19,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:19,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:56:19,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753036725] [2024-09-12 17:56:19,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:19,078 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:56:19,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:19,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:56:19,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:56:19,079 INFO L87 Difference]: Start difference. First operand 322 states and 435 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-09-12 17:56:19,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:19,245 INFO L93 Difference]: Finished difference Result 406 states and 564 transitions. [2024-09-12 17:56:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-12 17:56:19,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 76 [2024-09-12 17:56:19,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:19,250 INFO L225 Difference]: With dead ends: 406 [2024-09-12 17:56:19,250 INFO L226 Difference]: Without dead ends: 403 [2024-09-12 17:56:19,250 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:56:19,251 INFO L434 NwaCegarLoop]: 101 mSDtfsCounter, 30 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:19,251 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 443 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:19,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-09-12 17:56:19,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 345. [2024-09-12 17:56:19,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 213 states have (on average 1.295774647887324) internal successors, (276), 236 states have internal predecessors, (276), 98 states have call successors, (98), 18 states have call predecessors, (98), 17 states have return successors, (97), 90 states have call predecessors, (97), 97 states have call successors, (97) [2024-09-12 17:56:19,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 471 transitions. [2024-09-12 17:56:19,296 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 471 transitions. Word has length 76 [2024-09-12 17:56:19,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:19,296 INFO L474 AbstractCegarLoop]: Abstraction has 345 states and 471 transitions. [2024-09-12 17:56:19,296 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-09-12 17:56:19,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 471 transitions. [2024-09-12 17:56:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-09-12 17:56:19,297 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:19,297 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:19,297 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-09-12 17:56:19,297 INFO L399 AbstractCegarLoop]: === Iteration 25 === Targeting mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:19,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:19,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1891263845, now seen corresponding path program 1 times [2024-09-12 17:56:19,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:19,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265782202] [2024-09-12 17:56:19,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:19,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,335 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,336 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,337 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,339 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,341 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,342 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,344 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,345 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,347 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-09-12 17:56:19,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:19,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265782202] [2024-09-12 17:56:19,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265782202] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:19,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:19,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:56:19,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897049195] [2024-09-12 17:56:19,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:19,349 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:56:19,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:19,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:56:19,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:56:19,350 INFO L87 Difference]: Start difference. First operand 345 states and 471 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-09-12 17:56:19,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:19,444 INFO L93 Difference]: Finished difference Result 346 states and 471 transitions. [2024-09-12 17:56:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-12 17:56:19,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 77 [2024-09-12 17:56:19,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:19,446 INFO L225 Difference]: With dead ends: 346 [2024-09-12 17:56:19,446 INFO L226 Difference]: Without dead ends: 345 [2024-09-12 17:56:19,447 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:56:19,447 INFO L434 NwaCegarLoop]: 75 mSDtfsCounter, 8 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:19,447 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 291 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:19,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-09-12 17:56:19,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2024-09-12 17:56:19,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 213 states have (on average 1.2910798122065728) internal successors, (275), 236 states have internal predecessors, (275), 98 states have call successors, (98), 18 states have call predecessors, (98), 17 states have return successors, (97), 90 states have call predecessors, (97), 97 states have call successors, (97) [2024-09-12 17:56:19,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 470 transitions. [2024-09-12 17:56:19,488 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 470 transitions. Word has length 77 [2024-09-12 17:56:19,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:19,488 INFO L474 AbstractCegarLoop]: Abstraction has 345 states and 470 transitions. [2024-09-12 17:56:19,489 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-09-12 17:56:19,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:19,489 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 470 transitions. [2024-09-12 17:56:19,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-09-12 17:56:19,490 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:19,490 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:19,490 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-09-12 17:56:19,490 INFO L399 AbstractCegarLoop]: === Iteration 26 === Targeting mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:19,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:19,492 INFO L85 PathProgramCache]: Analyzing trace with hash 2058306560, now seen corresponding path program 1 times [2024-09-12 17:56:19,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:19,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480560645] [2024-09-12 17:56:19,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:19,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,549 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,550 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,556 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,558 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,559 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,560 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,562 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,563 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-09-12 17:56:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,565 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-09-12 17:56:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,566 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-09-12 17:56:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,567 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-09-12 17:56:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,569 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-09-12 17:56:19,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:19,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480560645] [2024-09-12 17:56:19,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480560645] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:19,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705833311] [2024-09-12 17:56:19,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:19,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:19,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:19,571 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:19,572 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-12 17:56:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:19,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-12 17:56:19,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-09-12 17:56:19,653 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-09-12 17:56:19,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705833311] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:19,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:19,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-09-12 17:56:19,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478417651] [2024-09-12 17:56:19,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:19,729 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-12 17:56:19,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:19,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-12 17:56:19,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-09-12 17:56:19,730 INFO L87 Difference]: Start difference. First operand 345 states and 470 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 6 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-09-12 17:56:19,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:19,883 INFO L93 Difference]: Finished difference Result 459 states and 638 transitions. [2024-09-12 17:56:19,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-12 17:56:19,887 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 6 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 79 [2024-09-12 17:56:19,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:19,890 INFO L225 Difference]: With dead ends: 459 [2024-09-12 17:56:19,890 INFO L226 Difference]: Without dead ends: 451 [2024-09-12 17:56:19,890 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-09-12 17:56:19,890 INFO L434 NwaCegarLoop]: 89 mSDtfsCounter, 32 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:19,890 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 471 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:19,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-09-12 17:56:19,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 404. [2024-09-12 17:56:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 254 states have (on average 1.2992125984251968) internal successors, (330), 278 states have internal predecessors, (330), 116 states have call successors, (116), 18 states have call predecessors, (116), 17 states have return successors, (115), 107 states have call predecessors, (115), 115 states have call successors, (115) [2024-09-12 17:56:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 561 transitions. [2024-09-12 17:56:19,942 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 561 transitions. Word has length 79 [2024-09-12 17:56:19,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:19,942 INFO L474 AbstractCegarLoop]: Abstraction has 404 states and 561 transitions. [2024-09-12 17:56:19,943 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 6 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-09-12 17:56:19,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 561 transitions. [2024-09-12 17:56:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-09-12 17:56:19,943 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:19,944 INFO L216 NwaCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:19,955 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-12 17:56:20,144 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-09-12 17:56:20,145 INFO L399 AbstractCegarLoop]: === Iteration 27 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:20,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:20,145 INFO L85 PathProgramCache]: Analyzing trace with hash 417296005, now seen corresponding path program 1 times [2024-09-12 17:56:20,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:20,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882951531] [2024-09-12 17:56:20,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:20,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,237 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,239 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,244 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,247 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,249 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,254 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,255 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,256 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-09-12 17:56:20,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:20,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882951531] [2024-09-12 17:56:20,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882951531] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:20,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:20,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-12 17:56:20,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242034372] [2024-09-12 17:56:20,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:20,257 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-12 17:56:20,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:20,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-12 17:56:20,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-09-12 17:56:20,257 INFO L87 Difference]: Start difference. First operand 404 states and 561 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 4 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-09-12 17:56:20,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:20,503 INFO L93 Difference]: Finished difference Result 423 states and 576 transitions. [2024-09-12 17:56:20,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-12 17:56:20,503 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 4 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 81 [2024-09-12 17:56:20,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:20,505 INFO L225 Difference]: With dead ends: 423 [2024-09-12 17:56:20,505 INFO L226 Difference]: Without dead ends: 421 [2024-09-12 17:56:20,505 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2024-09-12 17:56:20,506 INFO L434 NwaCegarLoop]: 83 mSDtfsCounter, 96 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:20,506 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 559 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:56:20,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-09-12 17:56:20,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 411. [2024-09-12 17:56:20,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 259 states have (on average 1.3011583011583012) internal successors, (337), 284 states have internal predecessors, (337), 117 states have call successors, (117), 19 states have call predecessors, (117), 18 states have return successors, (116), 107 states have call predecessors, (116), 116 states have call successors, (116) [2024-09-12 17:56:20,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 570 transitions. [2024-09-12 17:56:20,555 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 570 transitions. Word has length 81 [2024-09-12 17:56:20,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:20,555 INFO L474 AbstractCegarLoop]: Abstraction has 411 states and 570 transitions. [2024-09-12 17:56:20,555 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 4 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-09-12 17:56:20,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:20,555 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 570 transitions. [2024-09-12 17:56:20,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-09-12 17:56:20,556 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:20,556 INFO L216 NwaCegarLoop]: trace histogram [12, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:20,556 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-09-12 17:56:20,556 INFO L399 AbstractCegarLoop]: === Iteration 28 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:20,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:20,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1270052327, now seen corresponding path program 1 times [2024-09-12 17:56:20,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:20,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507366300] [2024-09-12 17:56:20,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:20,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,626 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,627 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,628 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,629 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,631 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,632 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,633 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,634 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,635 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,636 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,637 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,638 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-09-12 17:56:20,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:20,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507366300] [2024-09-12 17:56:20,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507366300] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:20,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:20,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-12 17:56:20,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022878231] [2024-09-12 17:56:20,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:20,640 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-12 17:56:20,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:20,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-12 17:56:20,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-09-12 17:56:20,640 INFO L87 Difference]: Start difference. First operand 411 states and 570 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-09-12 17:56:20,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:20,778 INFO L93 Difference]: Finished difference Result 427 states and 579 transitions. [2024-09-12 17:56:20,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 17:56:20,778 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 86 [2024-09-12 17:56:20,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:20,780 INFO L225 Difference]: With dead ends: 427 [2024-09-12 17:56:20,780 INFO L226 Difference]: Without dead ends: 425 [2024-09-12 17:56:20,780 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:56:20,780 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 14 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:20,781 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 550 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:20,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-09-12 17:56:20,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 416. [2024-09-12 17:56:20,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 262 states have (on average 1.297709923664122) internal successors, (340), 287 states have internal predecessors, (340), 118 states have call successors, (118), 20 states have call predecessors, (118), 19 states have return successors, (117), 108 states have call predecessors, (117), 117 states have call successors, (117) [2024-09-12 17:56:20,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 575 transitions. [2024-09-12 17:56:20,828 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 575 transitions. Word has length 86 [2024-09-12 17:56:20,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:20,828 INFO L474 AbstractCegarLoop]: Abstraction has 416 states and 575 transitions. [2024-09-12 17:56:20,828 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-09-12 17:56:20,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:20,828 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 575 transitions. [2024-09-12 17:56:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-09-12 17:56:20,829 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:20,829 INFO L216 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:20,829 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-09-12 17:56:20,829 INFO L399 AbstractCegarLoop]: === Iteration 29 === Targeting mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:20,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:20,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1766871563, now seen corresponding path program 1 times [2024-09-12 17:56:20,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:20,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329821737] [2024-09-12 17:56:20,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:20,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,878 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,880 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,881 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,882 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,884 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,885 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,886 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,887 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,888 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,889 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,890 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,891 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:56:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:20,893 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-09-12 17:56:20,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:20,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329821737] [2024-09-12 17:56:20,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329821737] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:20,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:20,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-12 17:56:20,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230311133] [2024-09-12 17:56:20,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:20,893 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 17:56:20,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:20,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 17:56:20,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:20,894 INFO L87 Difference]: Start difference. First operand 416 states and 575 transitions. Second operand has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-09-12 17:56:21,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:21,045 INFO L93 Difference]: Finished difference Result 456 states and 626 transitions. [2024-09-12 17:56:21,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:56:21,045 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 89 [2024-09-12 17:56:21,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:21,047 INFO L225 Difference]: With dead ends: 456 [2024-09-12 17:56:21,047 INFO L226 Difference]: Without dead ends: 455 [2024-09-12 17:56:21,048 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:21,048 INFO L434 NwaCegarLoop]: 115 mSDtfsCounter, 38 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:21,048 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 622 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:21,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-09-12 17:56:21,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 418. [2024-09-12 17:56:21,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 264 states have (on average 1.2916666666666667) internal successors, (341), 288 states have internal predecessors, (341), 118 states have call successors, (118), 20 states have call predecessors, (118), 19 states have return successors, (117), 109 states have call predecessors, (117), 117 states have call successors, (117) [2024-09-12 17:56:21,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 576 transitions. [2024-09-12 17:56:21,104 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 576 transitions. Word has length 89 [2024-09-12 17:56:21,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:21,104 INFO L474 AbstractCegarLoop]: Abstraction has 418 states and 576 transitions. [2024-09-12 17:56:21,105 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-09-12 17:56:21,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:21,105 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 576 transitions. [2024-09-12 17:56:21,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-09-12 17:56:21,107 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:21,107 INFO L216 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:21,107 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-09-12 17:56:21,107 INFO L399 AbstractCegarLoop]: === Iteration 30 === Targeting mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:21,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:21,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1061556284, now seen corresponding path program 1 times [2024-09-12 17:56:21,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:21,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085781368] [2024-09-12 17:56:21,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:21,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,170 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,172 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,173 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,179 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,181 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,183 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,185 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,188 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,189 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,191 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,192 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,193 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:56:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-09-12 17:56:21,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:21,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085781368] [2024-09-12 17:56:21,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085781368] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:21,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:21,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-12 17:56:21,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461297184] [2024-09-12 17:56:21,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:21,196 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 17:56:21,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:21,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 17:56:21,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:21,197 INFO L87 Difference]: Start difference. First operand 418 states and 576 transitions. Second operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-09-12 17:56:21,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:21,333 INFO L93 Difference]: Finished difference Result 428 states and 579 transitions. [2024-09-12 17:56:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:56:21,333 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 90 [2024-09-12 17:56:21,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:21,335 INFO L225 Difference]: With dead ends: 428 [2024-09-12 17:56:21,335 INFO L226 Difference]: Without dead ends: 427 [2024-09-12 17:56:21,335 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:21,336 INFO L434 NwaCegarLoop]: 86 mSDtfsCounter, 11 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:21,336 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 490 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:21,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-09-12 17:56:21,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 419. [2024-09-12 17:56:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 265 states have (on average 1.2867924528301886) internal successors, (341), 289 states have internal predecessors, (341), 118 states have call successors, (118), 20 states have call predecessors, (118), 19 states have return successors, (117), 109 states have call predecessors, (117), 117 states have call successors, (117) [2024-09-12 17:56:21,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 576 transitions. [2024-09-12 17:56:21,387 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 576 transitions. Word has length 90 [2024-09-12 17:56:21,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:21,387 INFO L474 AbstractCegarLoop]: Abstraction has 419 states and 576 transitions. [2024-09-12 17:56:21,387 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-09-12 17:56:21,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 576 transitions. [2024-09-12 17:56:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-09-12 17:56:21,388 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:21,388 INFO L216 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:21,388 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-09-12 17:56:21,388 INFO L399 AbstractCegarLoop]: === Iteration 31 === Targeting mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:21,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:21,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1890874647, now seen corresponding path program 1 times [2024-09-12 17:56:21,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:21,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676961079] [2024-09-12 17:56:21,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:21,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,428 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,431 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,433 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,434 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,435 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,436 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,438 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,441 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,443 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-09-12 17:56:21,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:21,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676961079] [2024-09-12 17:56:21,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676961079] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:21,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98616913] [2024-09-12 17:56:21,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:21,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:21,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:21,445 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:21,446 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-12 17:56:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-12 17:56:21,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:21,527 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-09-12 17:56:21,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:21,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98616913] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:21,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:21,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-09-12 17:56:21,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626162848] [2024-09-12 17:56:21,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:21,528 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:56:21,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:21,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:56:21,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:21,528 INFO L87 Difference]: Start difference. First operand 419 states and 576 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-09-12 17:56:21,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:21,642 INFO L93 Difference]: Finished difference Result 441 states and 599 transitions. [2024-09-12 17:56:21,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-12 17:56:21,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 92 [2024-09-12 17:56:21,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:21,653 INFO L225 Difference]: With dead ends: 441 [2024-09-12 17:56:21,653 INFO L226 Difference]: Without dead ends: 440 [2024-09-12 17:56:21,653 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:21,654 INFO L434 NwaCegarLoop]: 128 mSDtfsCounter, 14 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:21,654 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 553 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:21,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-09-12 17:56:21,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 421. [2024-09-12 17:56:21,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 267 states have (on average 1.2846441947565543) internal successors, (343), 290 states have internal predecessors, (343), 118 states have call successors, (118), 20 states have call predecessors, (118), 19 states have return successors, (117), 110 states have call predecessors, (117), 117 states have call successors, (117) [2024-09-12 17:56:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 578 transitions. [2024-09-12 17:56:21,709 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 578 transitions. Word has length 92 [2024-09-12 17:56:21,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:21,709 INFO L474 AbstractCegarLoop]: Abstraction has 421 states and 578 transitions. [2024-09-12 17:56:21,709 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-09-12 17:56:21,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 578 transitions. [2024-09-12 17:56:21,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-09-12 17:56:21,710 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:21,710 INFO L216 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:21,722 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:21,910 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:21,911 INFO L399 AbstractCegarLoop]: === Iteration 32 === Targeting mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:21,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:21,911 INFO L85 PathProgramCache]: Analyzing trace with hash -978997543, now seen corresponding path program 1 times [2024-09-12 17:56:21,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:21,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332464567] [2024-09-12 17:56:21,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:21,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,941 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,943 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,949 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,953 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:56:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-09-12 17:56:21,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:21,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332464567] [2024-09-12 17:56:21,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332464567] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:21,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061914734] [2024-09-12 17:56:21,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:21,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:21,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:21,956 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:21,957 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-12 17:56:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:21,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-12 17:56:21,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:22,062 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-09-12 17:56:22,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-09-12 17:56:22,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061914734] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:22,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:22,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 6] total 12 [2024-09-12 17:56:22,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164934689] [2024-09-12 17:56:22,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:22,158 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-12 17:56:22,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:22,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-12 17:56:22,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-09-12 17:56:22,159 INFO L87 Difference]: Start difference. First operand 421 states and 578 transitions. Second operand has 13 states, 12 states have (on average 7.083333333333333) internal successors, (85), 13 states have internal predecessors, (85), 8 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (37), 8 states have call predecessors, (37), 8 states have call successors, (37) [2024-09-12 17:56:22,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:22,456 INFO L93 Difference]: Finished difference Result 522 states and 728 transitions. [2024-09-12 17:56:22,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-12 17:56:22,456 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.083333333333333) internal successors, (85), 13 states have internal predecessors, (85), 8 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (37), 8 states have call predecessors, (37), 8 states have call successors, (37) Word has length 93 [2024-09-12 17:56:22,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:22,459 INFO L225 Difference]: With dead ends: 522 [2024-09-12 17:56:22,459 INFO L226 Difference]: Without dead ends: 519 [2024-09-12 17:56:22,459 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2024-09-12 17:56:22,459 INFO L434 NwaCegarLoop]: 76 mSDtfsCounter, 104 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:22,459 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 510 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:56:22,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-09-12 17:56:22,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 456. [2024-09-12 17:56:22,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 283 states have (on average 1.2579505300353357) internal successors, (356), 305 states have internal predecessors, (356), 138 states have call successors, (138), 20 states have call predecessors, (138), 19 states have return successors, (137), 130 states have call predecessors, (137), 137 states have call successors, (137) [2024-09-12 17:56:22,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 631 transitions. [2024-09-12 17:56:22,519 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 631 transitions. Word has length 93 [2024-09-12 17:56:22,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:22,520 INFO L474 AbstractCegarLoop]: Abstraction has 456 states and 631 transitions. [2024-09-12 17:56:22,520 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.083333333333333) internal successors, (85), 13 states have internal predecessors, (85), 8 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (37), 8 states have call predecessors, (37), 8 states have call successors, (37) [2024-09-12 17:56:22,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:22,520 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 631 transitions. [2024-09-12 17:56:22,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-09-12 17:56:22,521 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:22,521 INFO L216 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:22,535 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:22,721 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,9 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:22,722 INFO L399 AbstractCegarLoop]: === Iteration 33 === Targeting mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:22,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:22,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1512428000, now seen corresponding path program 1 times [2024-09-12 17:56:22,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:22,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811376902] [2024-09-12 17:56:22,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:22,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,761 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,763 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,764 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,765 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,766 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,767 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,768 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,770 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,771 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,772 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,773 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,774 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,776 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-09-12 17:56:22,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:22,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811376902] [2024-09-12 17:56:22,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811376902] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:22,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323125661] [2024-09-12 17:56:22,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:22,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:22,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:22,779 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:22,780 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-12 17:56:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:22,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-12 17:56:22,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-09-12 17:56:22,864 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:22,962 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-09-12 17:56:22,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323125661] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:22,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:22,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-09-12 17:56:22,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946483631] [2024-09-12 17:56:22,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:22,963 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-12 17:56:22,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:22,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-12 17:56:22,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-09-12 17:56:22,964 INFO L87 Difference]: Start difference. First operand 456 states and 631 transitions. Second operand has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 12 states have internal predecessors, (70), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (31), 6 states have call predecessors, (31), 6 states have call successors, (31) [2024-09-12 17:56:23,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:23,127 INFO L93 Difference]: Finished difference Result 503 states and 695 transitions. [2024-09-12 17:56:23,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-12 17:56:23,127 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 12 states have internal predecessors, (70), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (31), 6 states have call predecessors, (31), 6 states have call successors, (31) Word has length 93 [2024-09-12 17:56:23,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:23,130 INFO L225 Difference]: With dead ends: 503 [2024-09-12 17:56:23,130 INFO L226 Difference]: Without dead ends: 502 [2024-09-12 17:56:23,130 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-09-12 17:56:23,130 INFO L434 NwaCegarLoop]: 84 mSDtfsCounter, 14 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:23,131 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 736 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:23,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-09-12 17:56:23,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 463. [2024-09-12 17:56:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 286 states have (on average 1.2552447552447552) internal successors, (359), 308 states have internal predecessors, (359), 142 states have call successors, (142), 20 states have call predecessors, (142), 19 states have return successors, (141), 134 states have call predecessors, (141), 141 states have call successors, (141) [2024-09-12 17:56:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 642 transitions. [2024-09-12 17:56:23,198 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 642 transitions. Word has length 93 [2024-09-12 17:56:23,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:23,198 INFO L474 AbstractCegarLoop]: Abstraction has 463 states and 642 transitions. [2024-09-12 17:56:23,198 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 12 states have internal predecessors, (70), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (31), 6 states have call predecessors, (31), 6 states have call successors, (31) [2024-09-12 17:56:23,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 642 transitions. [2024-09-12 17:56:23,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-09-12 17:56:23,199 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:23,199 INFO L216 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:23,212 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-12 17:56:23,399 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-09-12 17:56:23,400 INFO L399 AbstractCegarLoop]: === Iteration 34 === Targeting mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:23,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:23,400 INFO L85 PathProgramCache]: Analyzing trace with hash 359372345, now seen corresponding path program 1 times [2024-09-12 17:56:23,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:23,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610520108] [2024-09-12 17:56:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:23,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,437 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,438 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,441 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,446 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,448 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,451 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,452 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,454 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-09-12 17:56:23,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:23,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610520108] [2024-09-12 17:56:23,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610520108] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:23,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:23,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:56:23,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316567735] [2024-09-12 17:56:23,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:23,457 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:56:23,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:23,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:56:23,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:23,457 INFO L87 Difference]: Start difference. First operand 463 states and 642 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-09-12 17:56:23,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:23,582 INFO L93 Difference]: Finished difference Result 463 states and 642 transitions. [2024-09-12 17:56:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:56:23,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 94 [2024-09-12 17:56:23,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:23,586 INFO L225 Difference]: With dead ends: 463 [2024-09-12 17:56:23,586 INFO L226 Difference]: Without dead ends: 461 [2024-09-12 17:56:23,586 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:23,587 INFO L434 NwaCegarLoop]: 72 mSDtfsCounter, 16 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:23,587 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 182 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:23,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-09-12 17:56:23,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2024-09-12 17:56:23,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 286 states have (on average 1.2342657342657342) internal successors, (353), 306 states have internal predecessors, (353), 142 states have call successors, (142), 20 states have call predecessors, (142), 19 states have return successors, (141), 134 states have call predecessors, (141), 141 states have call successors, (141) [2024-09-12 17:56:23,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 636 transitions. [2024-09-12 17:56:23,650 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 636 transitions. Word has length 94 [2024-09-12 17:56:23,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:23,650 INFO L474 AbstractCegarLoop]: Abstraction has 461 states and 636 transitions. [2024-09-12 17:56:23,651 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-09-12 17:56:23,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:23,651 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 636 transitions. [2024-09-12 17:56:23,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-09-12 17:56:23,651 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:23,652 INFO L216 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:23,652 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-09-12 17:56:23,652 INFO L399 AbstractCegarLoop]: === Iteration 35 === Targeting mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:23,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:23,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1744359102, now seen corresponding path program 1 times [2024-09-12 17:56:23,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:23,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134246311] [2024-09-12 17:56:23,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:23,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,677 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,682 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,682 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,683 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,684 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,685 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,686 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,687 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-09-12 17:56:23,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:23,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134246311] [2024-09-12 17:56:23,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134246311] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:23,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:23,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:56:23,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665532752] [2024-09-12 17:56:23,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:23,689 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:56:23,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:23,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:56:23,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:23,690 INFO L87 Difference]: Start difference. First operand 461 states and 636 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-09-12 17:56:23,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:23,778 INFO L93 Difference]: Finished difference Result 461 states and 636 transitions. [2024-09-12 17:56:23,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:56:23,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 95 [2024-09-12 17:56:23,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:23,781 INFO L225 Difference]: With dead ends: 461 [2024-09-12 17:56:23,781 INFO L226 Difference]: Without dead ends: 460 [2024-09-12 17:56:23,781 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:23,781 INFO L434 NwaCegarLoop]: 73 mSDtfsCounter, 12 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:23,782 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 192 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:23,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-09-12 17:56:23,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2024-09-12 17:56:23,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 286 states have (on average 1.2272727272727273) internal successors, (351), 305 states have internal predecessors, (351), 142 states have call successors, (142), 20 states have call predecessors, (142), 19 states have return successors, (141), 134 states have call predecessors, (141), 141 states have call successors, (141) [2024-09-12 17:56:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 634 transitions. [2024-09-12 17:56:23,846 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 634 transitions. Word has length 95 [2024-09-12 17:56:23,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:23,846 INFO L474 AbstractCegarLoop]: Abstraction has 460 states and 634 transitions. [2024-09-12 17:56:23,846 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-09-12 17:56:23,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 634 transitions. [2024-09-12 17:56:23,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-09-12 17:56:23,847 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:23,847 INFO L216 NwaCegarLoop]: trace histogram [13, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:23,847 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-09-12 17:56:23,847 INFO L399 AbstractCegarLoop]: === Iteration 36 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:23,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:23,848 INFO L85 PathProgramCache]: Analyzing trace with hash -218799894, now seen corresponding path program 1 times [2024-09-12 17:56:23,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:23,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185204053] [2024-09-12 17:56:23,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:23,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,895 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,897 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,897 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,898 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,900 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,901 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,902 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,903 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,904 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,905 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,906 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-09-12 17:56:23,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:23,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185204053] [2024-09-12 17:56:23,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185204053] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:23,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:23,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-12 17:56:23,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709146453] [2024-09-12 17:56:23,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:23,908 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 17:56:23,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:23,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 17:56:23,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:56:23,908 INFO L87 Difference]: Start difference. First operand 460 states and 634 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-09-12 17:56:24,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:24,057 INFO L93 Difference]: Finished difference Result 473 states and 644 transitions. [2024-09-12 17:56:24,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:56:24,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 99 [2024-09-12 17:56:24,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:24,059 INFO L225 Difference]: With dead ends: 473 [2024-09-12 17:56:24,059 INFO L226 Difference]: Without dead ends: 471 [2024-09-12 17:56:24,059 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:24,060 INFO L434 NwaCegarLoop]: 68 mSDtfsCounter, 23 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:24,060 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 321 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:24,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-09-12 17:56:24,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 464. [2024-09-12 17:56:24,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 289 states have (on average 1.2249134948096885) internal successors, (354), 308 states have internal predecessors, (354), 142 states have call successors, (142), 21 states have call predecessors, (142), 20 states have return successors, (141), 134 states have call predecessors, (141), 141 states have call successors, (141) [2024-09-12 17:56:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 637 transitions. [2024-09-12 17:56:24,123 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 637 transitions. Word has length 99 [2024-09-12 17:56:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:24,124 INFO L474 AbstractCegarLoop]: Abstraction has 464 states and 637 transitions. [2024-09-12 17:56:24,124 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-09-12 17:56:24,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 637 transitions. [2024-09-12 17:56:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-09-12 17:56:24,125 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:24,125 INFO L216 NwaCegarLoop]: trace histogram [14, 13, 13, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:24,125 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-09-12 17:56:24,125 INFO L399 AbstractCegarLoop]: === Iteration 37 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:24,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:24,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1190582408, now seen corresponding path program 1 times [2024-09-12 17:56:24,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:24,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125900633] [2024-09-12 17:56:24,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:24,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,189 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,190 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,191 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,192 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,194 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,195 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,196 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,197 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,198 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,199 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,200 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,201 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,202 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:56:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,203 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-09-12 17:56:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,205 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-09-12 17:56:24,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:24,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125900633] [2024-09-12 17:56:24,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125900633] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:24,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925438689] [2024-09-12 17:56:24,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:24,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:24,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:24,207 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:24,207 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-12 17:56:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-12 17:56:24,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-09-12 17:56:24,318 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:24,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925438689] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:24,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:24,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2024-09-12 17:56:24,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555820437] [2024-09-12 17:56:24,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:24,319 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-12 17:56:24,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:24,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-12 17:56:24,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-09-12 17:56:24,319 INFO L87 Difference]: Start difference. First operand 464 states and 637 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-09-12 17:56:24,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:24,557 INFO L93 Difference]: Finished difference Result 579 states and 802 transitions. [2024-09-12 17:56:24,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 17:56:24,557 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 103 [2024-09-12 17:56:24,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:24,560 INFO L225 Difference]: With dead ends: 579 [2024-09-12 17:56:24,560 INFO L226 Difference]: Without dead ends: 575 [2024-09-12 17:56:24,560 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-09-12 17:56:24,560 INFO L434 NwaCegarLoop]: 95 mSDtfsCounter, 29 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:24,560 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 591 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:24,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-09-12 17:56:24,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 547. [2024-09-12 17:56:24,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 338 states have (on average 1.227810650887574) internal successors, (415), 361 states have internal predecessors, (415), 174 states have call successors, (174), 23 states have call predecessors, (174), 22 states have return successors, (173), 162 states have call predecessors, (173), 173 states have call successors, (173) [2024-09-12 17:56:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 762 transitions. [2024-09-12 17:56:24,638 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 762 transitions. Word has length 103 [2024-09-12 17:56:24,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:24,638 INFO L474 AbstractCegarLoop]: Abstraction has 547 states and 762 transitions. [2024-09-12 17:56:24,638 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-09-12 17:56:24,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 762 transitions. [2024-09-12 17:56:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-09-12 17:56:24,639 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:24,639 INFO L216 NwaCegarLoop]: trace histogram [14, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:24,652 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-12 17:56:24,839 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-09-12 17:56:24,839 INFO L399 AbstractCegarLoop]: === Iteration 38 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:24,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:24,840 INFO L85 PathProgramCache]: Analyzing trace with hash 392813474, now seen corresponding path program 1 times [2024-09-12 17:56:24,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:24,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000918341] [2024-09-12 17:56:24,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:24,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,913 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,914 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,915 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,916 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,918 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,932 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-09-12 17:56:24,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:24,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000918341] [2024-09-12 17:56:24,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000918341] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:24,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539195632] [2024-09-12 17:56:24,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:24,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:24,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:24,943 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:24,944 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-12 17:56:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:24,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-12 17:56:24,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-09-12 17:56:25,044 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:25,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539195632] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:25,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:25,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 13 [2024-09-12 17:56:25,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675594172] [2024-09-12 17:56:25,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:25,044 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-12 17:56:25,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:25,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-12 17:56:25,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-09-12 17:56:25,045 INFO L87 Difference]: Start difference. First operand 547 states and 762 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-09-12 17:56:25,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:25,303 INFO L93 Difference]: Finished difference Result 714 states and 1009 transitions. [2024-09-12 17:56:25,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 17:56:25,304 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 104 [2024-09-12 17:56:25,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:25,307 INFO L225 Difference]: With dead ends: 714 [2024-09-12 17:56:25,307 INFO L226 Difference]: Without dead ends: 712 [2024-09-12 17:56:25,307 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-09-12 17:56:25,308 INFO L434 NwaCegarLoop]: 107 mSDtfsCounter, 23 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:25,308 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 660 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:25,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-09-12 17:56:25,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 684. [2024-09-12 17:56:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 421 states have (on average 1.2327790973871735) internal successors, (519), 449 states have internal predecessors, (519), 226 states have call successors, (226), 25 states have call predecessors, (226), 24 states have return successors, (225), 209 states have call predecessors, (225), 225 states have call successors, (225) [2024-09-12 17:56:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 970 transitions. [2024-09-12 17:56:25,412 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 970 transitions. Word has length 104 [2024-09-12 17:56:25,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:25,412 INFO L474 AbstractCegarLoop]: Abstraction has 684 states and 970 transitions. [2024-09-12 17:56:25,412 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-09-12 17:56:25,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 970 transitions. [2024-09-12 17:56:25,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-09-12 17:56:25,413 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:25,413 INFO L216 NwaCegarLoop]: trace histogram [15, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:25,424 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:25,613 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-09-12 17:56:25,614 INFO L399 AbstractCegarLoop]: === Iteration 39 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:25,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:25,614 INFO L85 PathProgramCache]: Analyzing trace with hash 80374698, now seen corresponding path program 1 times [2024-09-12 17:56:25,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:25,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010586473] [2024-09-12 17:56:25,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:25,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,686 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,687 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,688 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,689 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,690 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,691 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,692 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,693 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,694 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,696 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,698 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,699 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,703 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,704 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:56:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,708 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-09-12 17:56:25,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:25,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010586473] [2024-09-12 17:56:25,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010586473] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:25,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822739487] [2024-09-12 17:56:25,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:25,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:25,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:25,710 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:25,712 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-12 17:56:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:25,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-12 17:56:25,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-09-12 17:56:25,810 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-09-12 17:56:25,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822739487] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:25,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:25,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-09-12 17:56:25,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926199467] [2024-09-12 17:56:25,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:25,933 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-12 17:56:25,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:25,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-12 17:56:25,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-09-12 17:56:25,934 INFO L87 Difference]: Start difference. First operand 684 states and 970 transitions. Second operand has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 12 states have internal predecessors, (68), 7 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) [2024-09-12 17:56:26,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:26,162 INFO L93 Difference]: Finished difference Result 690 states and 975 transitions. [2024-09-12 17:56:26,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:56:26,162 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 12 states have internal predecessors, (68), 7 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) Word has length 109 [2024-09-12 17:56:26,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:26,165 INFO L225 Difference]: With dead ends: 690 [2024-09-12 17:56:26,165 INFO L226 Difference]: Without dead ends: 688 [2024-09-12 17:56:26,166 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 241 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2024-09-12 17:56:26,166 INFO L434 NwaCegarLoop]: 75 mSDtfsCounter, 65 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:26,166 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 583 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:26,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-09-12 17:56:26,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2024-09-12 17:56:26,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 424 states have (on average 1.2311320754716981) internal successors, (522), 452 states have internal predecessors, (522), 226 states have call successors, (226), 26 states have call predecessors, (226), 25 states have return successors, (225), 209 states have call predecessors, (225), 225 states have call successors, (225) [2024-09-12 17:56:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 973 transitions. [2024-09-12 17:56:26,277 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 973 transitions. Word has length 109 [2024-09-12 17:56:26,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:26,277 INFO L474 AbstractCegarLoop]: Abstraction has 688 states and 973 transitions. [2024-09-12 17:56:26,277 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 12 states have internal predecessors, (68), 7 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) [2024-09-12 17:56:26,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:26,277 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 973 transitions. [2024-09-12 17:56:26,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-09-12 17:56:26,278 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:26,278 INFO L216 NwaCegarLoop]: trace histogram [16, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:26,290 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-09-12 17:56:26,479 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-09-12 17:56:26,479 INFO L399 AbstractCegarLoop]: === Iteration 40 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:26,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:26,479 INFO L85 PathProgramCache]: Analyzing trace with hash -2134392648, now seen corresponding path program 1 times [2024-09-12 17:56:26,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:26,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413627208] [2024-09-12 17:56:26,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:26,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,565 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,566 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,568 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,569 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,570 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,572 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,574 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,575 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,577 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,578 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,579 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,580 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:56:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,582 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-09-12 17:56:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,583 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-09-12 17:56:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,584 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-09-12 17:56:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,585 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-09-12 17:56:26,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:26,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413627208] [2024-09-12 17:56:26,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413627208] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:26,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400515804] [2024-09-12 17:56:26,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:26,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:26,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:26,587 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:26,588 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-12 17:56:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:26,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-12 17:56:26,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-09-12 17:56:26,688 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:26,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400515804] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:26,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:26,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 15 [2024-09-12 17:56:26,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864498693] [2024-09-12 17:56:26,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:26,689 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-12 17:56:26,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:26,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-12 17:56:26,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-09-12 17:56:26,689 INFO L87 Difference]: Start difference. First operand 688 states and 973 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 10 states have internal predecessors, (37), 5 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-09-12 17:56:26,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:26,925 INFO L93 Difference]: Finished difference Result 745 states and 1054 transitions. [2024-09-12 17:56:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-12 17:56:26,926 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 10 states have internal predecessors, (37), 5 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 113 [2024-09-12 17:56:26,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:26,928 INFO L225 Difference]: With dead ends: 745 [2024-09-12 17:56:26,928 INFO L226 Difference]: Without dead ends: 740 [2024-09-12 17:56:26,929 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-09-12 17:56:26,929 INFO L434 NwaCegarLoop]: 100 mSDtfsCounter, 22 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:26,929 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 727 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:26,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-09-12 17:56:27,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 733. [2024-09-12 17:56:27,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 448 states have (on average 1.2276785714285714) internal successors, (550), 478 states have internal predecessors, (550), 246 states have call successors, (246), 27 states have call predecessors, (246), 26 states have return successors, (245), 227 states have call predecessors, (245), 245 states have call successors, (245) [2024-09-12 17:56:27,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1041 transitions. [2024-09-12 17:56:27,067 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1041 transitions. Word has length 113 [2024-09-12 17:56:27,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:27,067 INFO L474 AbstractCegarLoop]: Abstraction has 733 states and 1041 transitions. [2024-09-12 17:56:27,067 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 10 states have internal predecessors, (37), 5 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-09-12 17:56:27,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1041 transitions. [2024-09-12 17:56:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-09-12 17:56:27,069 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:27,069 INFO L216 NwaCegarLoop]: trace histogram [16, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:27,081 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-09-12 17:56:27,269 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-09-12 17:56:27,269 INFO L399 AbstractCegarLoop]: === Iteration 41 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:27,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:27,270 INFO L85 PathProgramCache]: Analyzing trace with hash 990361698, now seen corresponding path program 1 times [2024-09-12 17:56:27,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:27,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773543078] [2024-09-12 17:56:27,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:27,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,361 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,363 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,365 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,367 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,368 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,369 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,370 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,373 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,375 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,377 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:56:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,379 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-09-12 17:56:27,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:27,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773543078] [2024-09-12 17:56:27,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773543078] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:27,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887801257] [2024-09-12 17:56:27,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:27,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:27,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:27,381 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:27,382 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-12 17:56:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:27,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-12 17:56:27,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:27,498 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-09-12 17:56:27,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:27,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887801257] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:27,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:27,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 13 [2024-09-12 17:56:27,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627057331] [2024-09-12 17:56:27,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:27,499 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-12 17:56:27,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:27,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-12 17:56:27,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-09-12 17:56:27,499 INFO L87 Difference]: Start difference. First operand 733 states and 1041 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-09-12 17:56:27,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:27,704 INFO L93 Difference]: Finished difference Result 753 states and 1064 transitions. [2024-09-12 17:56:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 17:56:27,704 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 114 [2024-09-12 17:56:27,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:27,708 INFO L225 Difference]: With dead ends: 753 [2024-09-12 17:56:27,708 INFO L226 Difference]: Without dead ends: 751 [2024-09-12 17:56:27,708 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-09-12 17:56:27,708 INFO L434 NwaCegarLoop]: 118 mSDtfsCounter, 10 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:27,708 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 659 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:27,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-09-12 17:56:27,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 744. [2024-09-12 17:56:27,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 454 states have (on average 1.2268722466960353) internal successors, (557), 485 states have internal predecessors, (557), 250 states have call successors, (250), 28 states have call predecessors, (250), 27 states have return successors, (249), 230 states have call predecessors, (249), 249 states have call successors, (249) [2024-09-12 17:56:27,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1056 transitions. [2024-09-12 17:56:27,827 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1056 transitions. Word has length 114 [2024-09-12 17:56:27,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:27,827 INFO L474 AbstractCegarLoop]: Abstraction has 744 states and 1056 transitions. [2024-09-12 17:56:27,827 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-09-12 17:56:27,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:27,828 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1056 transitions. [2024-09-12 17:56:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-09-12 17:56:27,828 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:27,828 INFO L216 NwaCegarLoop]: trace histogram [16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:27,841 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:28,029 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,15 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:28,029 INFO L399 AbstractCegarLoop]: === Iteration 42 === Targeting mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:28,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:28,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1304357154, now seen corresponding path program 1 times [2024-09-12 17:56:28,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:28,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418739930] [2024-09-12 17:56:28,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:28,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,101 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,103 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,105 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:56:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-09-12 17:56:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-09-12 17:56:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,116 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-09-12 17:56:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-09-12 17:56:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-09-12 17:56:28,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:28,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418739930] [2024-09-12 17:56:28,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418739930] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:28,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858778072] [2024-09-12 17:56:28,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:28,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:28,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:28,120 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:28,120 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-09-12 17:56:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-12 17:56:28,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:28,207 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-09-12 17:56:28,207 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:28,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858778072] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:28,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:28,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 11 [2024-09-12 17:56:28,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606325583] [2024-09-12 17:56:28,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:28,208 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-12 17:56:28,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:28,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-12 17:56:28,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-09-12 17:56:28,208 INFO L87 Difference]: Start difference. First operand 744 states and 1056 transitions. Second operand has 10 states, 9 states have (on average 4.0) internal successors, (36), 10 states have internal predecessors, (36), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2024-09-12 17:56:28,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:28,425 INFO L93 Difference]: Finished difference Result 819 states and 1168 transitions. [2024-09-12 17:56:28,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-12 17:56:28,425 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.0) internal successors, (36), 10 states have internal predecessors, (36), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) Word has length 116 [2024-09-12 17:56:28,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:28,428 INFO L225 Difference]: With dead ends: 819 [2024-09-12 17:56:28,429 INFO L226 Difference]: Without dead ends: 815 [2024-09-12 17:56:28,429 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-09-12 17:56:28,429 INFO L434 NwaCegarLoop]: 106 mSDtfsCounter, 28 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:28,429 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 679 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:28,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-09-12 17:56:28,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 804. [2024-09-12 17:56:28,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 488 states have (on average 1.2397540983606556) internal successors, (605), 523 states have internal predecessors, (605), 276 states have call successors, (276), 28 states have call predecessors, (276), 27 states have return successors, (275), 252 states have call predecessors, (275), 275 states have call successors, (275) [2024-09-12 17:56:28,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1156 transitions. [2024-09-12 17:56:28,548 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1156 transitions. Word has length 116 [2024-09-12 17:56:28,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:28,549 INFO L474 AbstractCegarLoop]: Abstraction has 804 states and 1156 transitions. [2024-09-12 17:56:28,549 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.0) internal successors, (36), 10 states have internal predecessors, (36), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2024-09-12 17:56:28,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:28,549 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1156 transitions. [2024-09-12 17:56:28,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-09-12 17:56:28,550 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:28,550 INFO L216 NwaCegarLoop]: trace histogram [16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:28,561 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-09-12 17:56:28,750 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-09-12 17:56:28,750 INFO L399 AbstractCegarLoop]: === Iteration 43 === Targeting mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:28,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:28,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1780366233, now seen corresponding path program 1 times [2024-09-12 17:56:28,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:28,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743177226] [2024-09-12 17:56:28,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:28,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,815 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,816 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,817 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,818 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,819 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,820 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,821 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,823 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,825 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,826 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:56:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-09-12 17:56:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,828 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-09-12 17:56:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-09-12 17:56:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,830 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-09-12 17:56:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-09-12 17:56:28,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:28,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743177226] [2024-09-12 17:56:28,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743177226] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:28,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513118203] [2024-09-12 17:56:28,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:28,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:28,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:28,833 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:28,833 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-09-12 17:56:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:28,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-12 17:56:28,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-09-12 17:56:28,921 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-09-12 17:56:29,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513118203] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:29,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:29,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-09-12 17:56:29,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130610753] [2024-09-12 17:56:29,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:29,036 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-09-12 17:56:29,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:29,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-09-12 17:56:29,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2024-09-12 17:56:29,036 INFO L87 Difference]: Start difference. First operand 804 states and 1156 transitions. Second operand has 20 states, 19 states have (on average 4.105263157894737) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) [2024-09-12 17:56:29,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:29,322 INFO L93 Difference]: Finished difference Result 1092 states and 1615 transitions. [2024-09-12 17:56:29,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-12 17:56:29,323 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 4.105263157894737) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) Word has length 117 [2024-09-12 17:56:29,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:29,327 INFO L225 Difference]: With dead ends: 1092 [2024-09-12 17:56:29,327 INFO L226 Difference]: Without dead ends: 1088 [2024-09-12 17:56:29,328 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2024-09-12 17:56:29,328 INFO L434 NwaCegarLoop]: 73 mSDtfsCounter, 51 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:29,328 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 731 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:29,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2024-09-12 17:56:29,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 1027. [2024-09-12 17:56:29,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 614 states have (on average 1.247557003257329) internal successors, (766), 658 states have internal predecessors, (766), 373 states have call successors, (373), 28 states have call predecessors, (373), 27 states have return successors, (372), 340 states have call predecessors, (372), 372 states have call successors, (372) [2024-09-12 17:56:29,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1511 transitions. [2024-09-12 17:56:29,553 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1511 transitions. Word has length 117 [2024-09-12 17:56:29,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:29,553 INFO L474 AbstractCegarLoop]: Abstraction has 1027 states and 1511 transitions. [2024-09-12 17:56:29,554 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 4.105263157894737) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) [2024-09-12 17:56:29,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:29,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1511 transitions. [2024-09-12 17:56:29,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-09-12 17:56:29,555 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:29,555 INFO L216 NwaCegarLoop]: trace histogram [16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:29,566 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-09-12 17:56:29,755 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,17 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:29,755 INFO L399 AbstractCegarLoop]: === Iteration 44 === Targeting mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:29,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:29,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1739893068, now seen corresponding path program 1 times [2024-09-12 17:56:29,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:29,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992700663] [2024-09-12 17:56:29,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:29,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,811 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,812 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,813 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,814 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,816 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,817 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,818 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,819 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,820 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,823 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,828 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:56:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,830 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 17:56:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,832 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-09-12 17:56:29,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:29,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992700663] [2024-09-12 17:56:29,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992700663] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:29,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351957224] [2024-09-12 17:56:29,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:29,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:29,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:29,834 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:29,835 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-09-12 17:56:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:29,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-12 17:56:29,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:29,922 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-09-12 17:56:29,923 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:29,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351957224] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:29,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:29,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-09-12 17:56:29,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594342208] [2024-09-12 17:56:29,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:29,923 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 17:56:29,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:29,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 17:56:29,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:56:29,924 INFO L87 Difference]: Start difference. First operand 1027 states and 1511 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-09-12 17:56:30,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:30,154 INFO L93 Difference]: Finished difference Result 1049 states and 1535 transitions. [2024-09-12 17:56:30,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:56:30,154 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 117 [2024-09-12 17:56:30,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:30,158 INFO L225 Difference]: With dead ends: 1049 [2024-09-12 17:56:30,159 INFO L226 Difference]: Without dead ends: 1048 [2024-09-12 17:56:30,159 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:56:30,159 INFO L434 NwaCegarLoop]: 127 mSDtfsCounter, 20 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:30,159 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 608 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:30,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2024-09-12 17:56:30,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 1029. [2024-09-12 17:56:30,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 616 states have (on average 1.24512987012987) internal successors, (767), 659 states have internal predecessors, (767), 373 states have call successors, (373), 28 states have call predecessors, (373), 27 states have return successors, (372), 341 states have call predecessors, (372), 372 states have call successors, (372) [2024-09-12 17:56:30,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1512 transitions. [2024-09-12 17:56:30,321 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1512 transitions. Word has length 117 [2024-09-12 17:56:30,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:30,321 INFO L474 AbstractCegarLoop]: Abstraction has 1029 states and 1512 transitions. [2024-09-12 17:56:30,321 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-09-12 17:56:30,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:30,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1512 transitions. [2024-09-12 17:56:30,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-09-12 17:56:30,322 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:30,322 INFO L216 NwaCegarLoop]: trace histogram [16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:30,334 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:30,523 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,18 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:30,523 INFO L399 AbstractCegarLoop]: === Iteration 45 === Targeting mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:30,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:30,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1534970107, now seen corresponding path program 1 times [2024-09-12 17:56:30,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:30,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551631275] [2024-09-12 17:56:30,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:30,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,546 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,554 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,555 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,555 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,556 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,557 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,561 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,562 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,563 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,563 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:56:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,564 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-09-12 17:56:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,565 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-09-12 17:56:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,566 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-09-12 17:56:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,567 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-09-12 17:56:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-09-12 17:56:30,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:30,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551631275] [2024-09-12 17:56:30,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551631275] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:30,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:30,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:56:30,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302587379] [2024-09-12 17:56:30,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:30,569 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:56:30,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:30,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:56:30,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:30,570 INFO L87 Difference]: Start difference. First operand 1029 states and 1512 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-09-12 17:56:30,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:30,742 INFO L93 Difference]: Finished difference Result 1029 states and 1512 transitions. [2024-09-12 17:56:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:56:30,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 119 [2024-09-12 17:56:30,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:30,748 INFO L225 Difference]: With dead ends: 1029 [2024-09-12 17:56:30,748 INFO L226 Difference]: Without dead ends: 1005 [2024-09-12 17:56:30,748 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:30,749 INFO L434 NwaCegarLoop]: 72 mSDtfsCounter, 16 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:30,749 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 189 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:30,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2024-09-12 17:56:30,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 957. [2024-09-12 17:56:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 579 states have (on average 1.2089810017271156) internal successors, (700), 616 states have internal predecessors, (700), 339 states have call successors, (339), 28 states have call predecessors, (339), 27 states have return successors, (336), 312 states have call predecessors, (336), 336 states have call successors, (336) [2024-09-12 17:56:30,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1375 transitions. [2024-09-12 17:56:30,903 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1375 transitions. Word has length 119 [2024-09-12 17:56:30,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:30,903 INFO L474 AbstractCegarLoop]: Abstraction has 957 states and 1375 transitions. [2024-09-12 17:56:30,903 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-09-12 17:56:30,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:30,903 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1375 transitions. [2024-09-12 17:56:30,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-09-12 17:56:30,904 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:30,904 INFO L216 NwaCegarLoop]: trace histogram [16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:30,904 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-09-12 17:56:30,905 INFO L399 AbstractCegarLoop]: === Iteration 46 === Targeting mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:30,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:30,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1294963406, now seen corresponding path program 1 times [2024-09-12 17:56:30,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:30,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78572068] [2024-09-12 17:56:30,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:30,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,958 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,960 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,961 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,964 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,966 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,967 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,968 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,970 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,971 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,972 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:56:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 17:56:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:30,975 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-09-12 17:56:30,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:30,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78572068] [2024-09-12 17:56:30,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78572068] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:30,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930635863] [2024-09-12 17:56:30,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:30,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:30,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:30,977 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:30,979 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-09-12 17:56:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-12 17:56:31,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:31,073 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-09-12 17:56:31,073 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:31,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930635863] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:31,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:31,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-09-12 17:56:31,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083011275] [2024-09-12 17:56:31,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:31,074 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 17:56:31,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:31,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 17:56:31,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:56:31,074 INFO L87 Difference]: Start difference. First operand 957 states and 1375 transitions. Second operand has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-09-12 17:56:31,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:31,401 INFO L93 Difference]: Finished difference Result 1512 states and 2236 transitions. [2024-09-12 17:56:31,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:56:31,402 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 119 [2024-09-12 17:56:31,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:31,408 INFO L225 Difference]: With dead ends: 1512 [2024-09-12 17:56:31,408 INFO L226 Difference]: Without dead ends: 1510 [2024-09-12 17:56:31,408 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:56:31,409 INFO L434 NwaCegarLoop]: 146 mSDtfsCounter, 69 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:31,409 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 687 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:31,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2024-09-12 17:56:31,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1401. [2024-09-12 17:56:31,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1401 states, 854 states have (on average 1.2236533957845432) internal successors, (1045), 900 states have internal predecessors, (1045), 508 states have call successors, (508), 28 states have call predecessors, (508), 27 states have return successors, (505), 472 states have call predecessors, (505), 505 states have call successors, (505) [2024-09-12 17:56:31,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 2058 transitions. [2024-09-12 17:56:31,681 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 2058 transitions. Word has length 119 [2024-09-12 17:56:31,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:31,681 INFO L474 AbstractCegarLoop]: Abstraction has 1401 states and 2058 transitions. [2024-09-12 17:56:31,681 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-09-12 17:56:31,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:31,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 2058 transitions. [2024-09-12 17:56:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-09-12 17:56:31,682 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:31,683 INFO L216 NwaCegarLoop]: trace histogram [16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:31,695 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:31,883 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-09-12 17:56:31,883 INFO L399 AbstractCegarLoop]: === Iteration 47 === Targeting mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:31,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:31,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1489160026, now seen corresponding path program 1 times [2024-09-12 17:56:31,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:31,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688921219] [2024-09-12 17:56:31,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:31,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,960 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,961 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,964 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,966 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,968 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,970 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,972 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,976 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,977 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,978 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:56:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,980 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,982 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 17:56:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-09-12 17:56:31,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:31,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688921219] [2024-09-12 17:56:31,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688921219] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:31,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476835932] [2024-09-12 17:56:31,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:31,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:31,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:31,987 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:32,003 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-09-12 17:56:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:32,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-12 17:56:32,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-09-12 17:56:32,089 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:32,187 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-09-12 17:56:32,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476835932] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:32,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:32,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-09-12 17:56:32,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823285604] [2024-09-12 17:56:32,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:32,188 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-12 17:56:32,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:32,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-12 17:56:32,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-09-12 17:56:32,188 INFO L87 Difference]: Start difference. First operand 1401 states and 2058 transitions. Second operand has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 16 states have internal predecessors, (88), 8 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (39), 8 states have call predecessors, (39), 8 states have call successors, (39) [2024-09-12 17:56:32,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:32,644 INFO L93 Difference]: Finished difference Result 1967 states and 2897 transitions. [2024-09-12 17:56:32,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-12 17:56:32,645 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 16 states have internal predecessors, (88), 8 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (39), 8 states have call predecessors, (39), 8 states have call successors, (39) Word has length 120 [2024-09-12 17:56:32,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:32,652 INFO L225 Difference]: With dead ends: 1967 [2024-09-12 17:56:32,652 INFO L226 Difference]: Without dead ends: 1966 [2024-09-12 17:56:32,653 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-09-12 17:56:32,653 INFO L434 NwaCegarLoop]: 68 mSDtfsCounter, 59 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:32,653 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 487 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:32,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2024-09-12 17:56:32,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1855. [2024-09-12 17:56:32,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1855 states, 1142 states have (on average 1.2066549912434326) internal successors, (1378), 1191 states have internal predecessors, (1378), 674 states have call successors, (674), 28 states have call predecessors, (674), 27 states have return successors, (671), 635 states have call predecessors, (671), 671 states have call successors, (671) [2024-09-12 17:56:32,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2723 transitions. [2024-09-12 17:56:32,964 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2723 transitions. Word has length 120 [2024-09-12 17:56:32,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:32,964 INFO L474 AbstractCegarLoop]: Abstraction has 1855 states and 2723 transitions. [2024-09-12 17:56:32,965 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 16 states have internal predecessors, (88), 8 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (39), 8 states have call predecessors, (39), 8 states have call successors, (39) [2024-09-12 17:56:32,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:32,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2723 transitions. [2024-09-12 17:56:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-09-12 17:56:32,966 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:32,966 INFO L216 NwaCegarLoop]: trace histogram [17, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:32,981 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:33,166 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-09-12 17:56:33,166 INFO L399 AbstractCegarLoop]: === Iteration 48 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:33,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:33,166 INFO L85 PathProgramCache]: Analyzing trace with hash 558616058, now seen corresponding path program 1 times [2024-09-12 17:56:33,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:33,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447586897] [2024-09-12 17:56:33,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:33,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,249 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,250 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,253 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,254 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,255 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,256 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,257 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,258 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,260 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,261 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,263 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:56:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,266 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 17:56:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,268 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-09-12 17:56:33,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:33,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447586897] [2024-09-12 17:56:33,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447586897] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:33,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971321276] [2024-09-12 17:56:33,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:33,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:33,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:33,270 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:33,271 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-09-12 17:56:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:33,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-12 17:56:33,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:33,376 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-09-12 17:56:33,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:33,500 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-09-12 17:56:33,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971321276] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:33,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:33,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 17 [2024-09-12 17:56:33,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547182650] [2024-09-12 17:56:33,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:33,501 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-12 17:56:33,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:33,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-12 17:56:33,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-09-12 17:56:33,502 INFO L87 Difference]: Start difference. First operand 1855 states and 2723 transitions. Second operand has 17 states, 17 states have (on average 4.588235294117647) internal successors, (78), 15 states have internal predecessors, (78), 8 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) [2024-09-12 17:56:33,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:33,935 INFO L93 Difference]: Finished difference Result 1861 states and 2728 transitions. [2024-09-12 17:56:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-12 17:56:33,935 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.588235294117647) internal successors, (78), 15 states have internal predecessors, (78), 8 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) Word has length 124 [2024-09-12 17:56:33,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:33,943 INFO L225 Difference]: With dead ends: 1861 [2024-09-12 17:56:33,943 INFO L226 Difference]: Without dead ends: 1859 [2024-09-12 17:56:33,944 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 273 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2024-09-12 17:56:33,944 INFO L434 NwaCegarLoop]: 68 mSDtfsCounter, 42 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:33,944 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 482 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:33,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1859 states. [2024-09-12 17:56:34,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1859 to 1859. [2024-09-12 17:56:34,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1145 states have (on average 1.206113537117904) internal successors, (1381), 1194 states have internal predecessors, (1381), 674 states have call successors, (674), 29 states have call predecessors, (674), 28 states have return successors, (671), 635 states have call predecessors, (671), 671 states have call successors, (671) [2024-09-12 17:56:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2726 transitions. [2024-09-12 17:56:34,337 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2726 transitions. Word has length 124 [2024-09-12 17:56:34,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:34,337 INFO L474 AbstractCegarLoop]: Abstraction has 1859 states and 2726 transitions. [2024-09-12 17:56:34,338 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.588235294117647) internal successors, (78), 15 states have internal predecessors, (78), 8 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) [2024-09-12 17:56:34,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:34,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2726 transitions. [2024-09-12 17:56:34,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-09-12 17:56:34,339 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:34,339 INFO L216 NwaCegarLoop]: trace histogram [18, 17, 17, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:34,350 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:34,540 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-09-12 17:56:34,540 INFO L399 AbstractCegarLoop]: === Iteration 49 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:34,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:34,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1965983854, now seen corresponding path program 1 times [2024-09-12 17:56:34,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:34,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275628887] [2024-09-12 17:56:34,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:34,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,627 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,628 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,629 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,630 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,631 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,631 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,632 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,633 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,634 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,635 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,636 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,637 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,638 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,638 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,639 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:56:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,640 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,641 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 17:56:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,642 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-09-12 17:56:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-09-12 17:56:34,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:34,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275628887] [2024-09-12 17:56:34,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275628887] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:34,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775374820] [2024-09-12 17:56:34,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:34,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:34,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:34,646 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:34,648 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-09-12 17:56:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:34,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-12 17:56:34,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:34,752 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-09-12 17:56:34,752 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:34,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775374820] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:34,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:34,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 15 [2024-09-12 17:56:34,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681190596] [2024-09-12 17:56:34,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:34,753 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-12 17:56:34,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:34,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-12 17:56:34,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-09-12 17:56:34,754 INFO L87 Difference]: Start difference. First operand 1859 states and 2726 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 10 states have internal predecessors, (43), 5 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-09-12 17:56:35,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:35,164 INFO L93 Difference]: Finished difference Result 1888 states and 2762 transitions. [2024-09-12 17:56:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-12 17:56:35,165 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 10 states have internal predecessors, (43), 5 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 129 [2024-09-12 17:56:35,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:35,171 INFO L225 Difference]: With dead ends: 1888 [2024-09-12 17:56:35,171 INFO L226 Difference]: Without dead ends: 1886 [2024-09-12 17:56:35,172 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-09-12 17:56:35,172 INFO L434 NwaCegarLoop]: 122 mSDtfsCounter, 14 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:35,172 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 807 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:35,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2024-09-12 17:56:35,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1876. [2024-09-12 17:56:35,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1876 states, 1157 states have (on average 1.2091616248919619) internal successors, (1399), 1208 states have internal predecessors, (1399), 678 states have call successors, (678), 30 states have call predecessors, (678), 29 states have return successors, (675), 637 states have call predecessors, (675), 675 states have call successors, (675) [2024-09-12 17:56:35,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2752 transitions. [2024-09-12 17:56:35,484 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2752 transitions. Word has length 129 [2024-09-12 17:56:35,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:35,484 INFO L474 AbstractCegarLoop]: Abstraction has 1876 states and 2752 transitions. [2024-09-12 17:56:35,484 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 10 states have internal predecessors, (43), 5 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-09-12 17:56:35,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2752 transitions. [2024-09-12 17:56:35,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-09-12 17:56:35,485 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:35,485 INFO L216 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:35,497 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:35,686 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-09-12 17:56:35,686 INFO L399 AbstractCegarLoop]: === Iteration 50 === Targeting mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:35,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:35,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1848929408, now seen corresponding path program 1 times [2024-09-12 17:56:35,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:35,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260500686] [2024-09-12 17:56:35,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:35,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,758 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,759 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,761 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,762 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,763 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,764 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,765 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,766 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,767 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,767 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,768 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,769 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:56:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,770 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,771 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 17:56:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,772 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-09-12 17:56:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,773 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-09-12 17:56:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,774 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-09-12 17:56:35,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:35,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260500686] [2024-09-12 17:56:35,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260500686] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:35,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848182415] [2024-09-12 17:56:35,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:35,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:35,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:35,775 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:35,776 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-09-12 17:56:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:35,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-12 17:56:35,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:35,875 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-09-12 17:56:35,875 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:35,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848182415] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:35,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:35,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 11 [2024-09-12 17:56:35,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052994946] [2024-09-12 17:56:35,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:35,876 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-12 17:56:35,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:35,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-12 17:56:35,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-09-12 17:56:35,876 INFO L87 Difference]: Start difference. First operand 1876 states and 2752 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-09-12 17:56:36,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:36,271 INFO L93 Difference]: Finished difference Result 1908 states and 2798 transitions. [2024-09-12 17:56:36,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-12 17:56:36,272 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 132 [2024-09-12 17:56:36,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:36,278 INFO L225 Difference]: With dead ends: 1908 [2024-09-12 17:56:36,278 INFO L226 Difference]: Without dead ends: 1902 [2024-09-12 17:56:36,278 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-09-12 17:56:36,279 INFO L434 NwaCegarLoop]: 150 mSDtfsCounter, 23 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:36,279 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 940 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:36,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2024-09-12 17:56:36,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1710. [2024-09-12 17:56:36,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 1057 states have (on average 1.183538315988647) internal successors, (1251), 1101 states have internal predecessors, (1251), 616 states have call successors, (616), 30 states have call predecessors, (616), 29 states have return successors, (613), 578 states have call predecessors, (613), 613 states have call successors, (613) [2024-09-12 17:56:36,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2480 transitions. [2024-09-12 17:56:36,633 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2480 transitions. Word has length 132 [2024-09-12 17:56:36,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:36,633 INFO L474 AbstractCegarLoop]: Abstraction has 1710 states and 2480 transitions. [2024-09-12 17:56:36,633 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-09-12 17:56:36,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:36,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2480 transitions. [2024-09-12 17:56:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-09-12 17:56:36,635 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:36,636 INFO L216 NwaCegarLoop]: trace histogram [20, 19, 19, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:36,647 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-09-12 17:56:36,836 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-09-12 17:56:36,836 INFO L399 AbstractCegarLoop]: === Iteration 51 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:36,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:36,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1191227091, now seen corresponding path program 1 times [2024-09-12 17:56:36,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:36,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054919791] [2024-09-12 17:56:36,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:36,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,932 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,936 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,949 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,953 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:56:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,956 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,957 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 17:56:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-09-12 17:56:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,960 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-09-12 17:56:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,961 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-09-12 17:56:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:36,967 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 38 proven. 16 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2024-09-12 17:56:36,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:36,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054919791] [2024-09-12 17:56:36,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054919791] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:36,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713400793] [2024-09-12 17:56:36,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:36,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:36,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:36,968 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:36,971 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-09-12 17:56:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:37,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-12 17:56:37,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:37,116 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-09-12 17:56:37,116 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:37,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713400793] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:37,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:37,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 16 [2024-09-12 17:56:37,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840333060] [2024-09-12 17:56:37,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:37,117 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-12 17:56:37,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:37,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-12 17:56:37,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-09-12 17:56:37,118 INFO L87 Difference]: Start difference. First operand 1710 states and 2480 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2024-09-12 17:56:37,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:37,587 INFO L93 Difference]: Finished difference Result 1800 states and 2609 transitions. [2024-09-12 17:56:37,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-12 17:56:37,588 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 146 [2024-09-12 17:56:37,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:37,593 INFO L225 Difference]: With dead ends: 1800 [2024-09-12 17:56:37,593 INFO L226 Difference]: Without dead ends: 1796 [2024-09-12 17:56:37,593 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-09-12 17:56:37,593 INFO L434 NwaCegarLoop]: 134 mSDtfsCounter, 49 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 930 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:37,594 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 930 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:56:37,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2024-09-12 17:56:37,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1730. [2024-09-12 17:56:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1730 states, 1063 states have (on average 1.1777986829727187) internal successors, (1252), 1113 states have internal predecessors, (1252), 628 states have call successors, (628), 32 states have call predecessors, (628), 31 states have return successors, (625), 584 states have call predecessors, (625), 625 states have call successors, (625) [2024-09-12 17:56:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 2505 transitions. [2024-09-12 17:56:37,880 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 2505 transitions. Word has length 146 [2024-09-12 17:56:37,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:37,880 INFO L474 AbstractCegarLoop]: Abstraction has 1730 states and 2505 transitions. [2024-09-12 17:56:37,880 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2024-09-12 17:56:37,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:37,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2505 transitions. [2024-09-12 17:56:37,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-09-12 17:56:37,882 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:37,882 INFO L216 NwaCegarLoop]: trace histogram [22, 21, 21, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:37,895 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-09-12 17:56:38,082 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,24 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:38,083 INFO L399 AbstractCegarLoop]: === Iteration 52 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:38,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:38,083 INFO L85 PathProgramCache]: Analyzing trace with hash -657224165, now seen corresponding path program 2 times [2024-09-12 17:56:38,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:38,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062014836] [2024-09-12 17:56:38,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:38,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,201 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,202 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,203 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,205 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,205 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,206 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,209 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,212 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:56:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,213 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-09-12 17:56:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,214 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:56:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,214 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-09-12 17:56:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:56:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,216 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:56:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,217 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:56:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,218 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-09-12 17:56:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,219 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-09-12 17:56:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,220 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-09-12 17:56:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 50 proven. 14 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-09-12 17:56:38,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:38,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062014836] [2024-09-12 17:56:38,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062014836] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:38,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124977994] [2024-09-12 17:56:38,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:56:38,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:38,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:38,223 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:38,223 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-09-12 17:56:38,266 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 17:56:38,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:56:38,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-12 17:56:38,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:38,352 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-09-12 17:56:38,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:38,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124977994] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:38,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:38,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 17 [2024-09-12 17:56:38,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410855094] [2024-09-12 17:56:38,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:38,353 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-12 17:56:38,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:38,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-12 17:56:38,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-09-12 17:56:38,354 INFO L87 Difference]: Start difference. First operand 1730 states and 2505 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 12 states have internal predecessors, (50), 6 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-09-12 17:56:38,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:38,811 INFO L93 Difference]: Finished difference Result 1938 states and 2828 transitions. [2024-09-12 17:56:38,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-12 17:56:38,812 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 12 states have internal predecessors, (50), 6 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 156 [2024-09-12 17:56:38,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:38,816 INFO L225 Difference]: With dead ends: 1938 [2024-09-12 17:56:38,816 INFO L226 Difference]: Without dead ends: 1926 [2024-09-12 17:56:38,817 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-09-12 17:56:38,817 INFO L434 NwaCegarLoop]: 118 mSDtfsCounter, 24 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:38,817 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 902 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:38,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2024-09-12 17:56:39,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1888. [2024-09-12 17:56:39,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1888 states, 1162 states have (on average 1.185025817555938) internal successors, (1377), 1216 states have internal predecessors, (1377), 686 states have call successors, (686), 33 states have call predecessors, (686), 32 states have return successors, (683), 638 states have call predecessors, (683), 683 states have call successors, (683) [2024-09-12 17:56:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1888 states and 2746 transitions. [2024-09-12 17:56:39,138 INFO L78 Accepts]: Start accepts. Automaton has 1888 states and 2746 transitions. Word has length 156 [2024-09-12 17:56:39,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:39,138 INFO L474 AbstractCegarLoop]: Abstraction has 1888 states and 2746 transitions. [2024-09-12 17:56:39,138 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 12 states have internal predecessors, (50), 6 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-09-12 17:56:39,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2746 transitions. [2024-09-12 17:56:39,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-09-12 17:56:39,143 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:39,144 INFO L216 NwaCegarLoop]: trace histogram [22, 21, 21, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:39,155 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:39,344 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,25 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:39,344 INFO L399 AbstractCegarLoop]: === Iteration 53 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:39,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:39,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1804667949, now seen corresponding path program 3 times [2024-09-12 17:56:39,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:39,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326001749] [2024-09-12 17:56:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:39,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,464 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,465 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,466 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,467 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,469 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,470 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,472 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,473 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,474 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,474 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,476 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,477 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,478 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,479 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,481 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:56:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,482 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,484 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 17:56:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,485 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-09-12 17:56:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,486 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-09-12 17:56:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,487 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-09-12 17:56:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,488 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-09-12 17:56:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,489 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-09-12 17:56:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 46 proven. 18 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-09-12 17:56:39,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:39,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326001749] [2024-09-12 17:56:39,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326001749] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:39,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601311383] [2024-09-12 17:56:39,491 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-12 17:56:39,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:39,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:39,492 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:39,494 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-09-12 17:56:39,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-12 17:56:39,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:56:39,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-12 17:56:39,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:39,603 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 154 proven. 14 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-09-12 17:56:39,603 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 154 proven. 14 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-09-12 17:56:39,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601311383] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:39,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:39,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 9] total 23 [2024-09-12 17:56:39,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538208482] [2024-09-12 17:56:39,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:39,721 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-12 17:56:39,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:39,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-12 17:56:39,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2024-09-12 17:56:39,721 INFO L87 Difference]: Start difference. First operand 1888 states and 2746 transitions. Second operand has 23 states, 23 states have (on average 4.173913043478261) internal successors, (96), 21 states have internal predecessors, (96), 9 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (45), 8 states have call predecessors, (45), 9 states have call successors, (45) [2024-09-12 17:56:40,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:40,572 INFO L93 Difference]: Finished difference Result 2159 states and 3158 transitions. [2024-09-12 17:56:40,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-12 17:56:40,573 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.173913043478261) internal successors, (96), 21 states have internal predecessors, (96), 9 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (45), 8 states have call predecessors, (45), 9 states have call successors, (45) Word has length 156 [2024-09-12 17:56:40,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:40,579 INFO L225 Difference]: With dead ends: 2159 [2024-09-12 17:56:40,579 INFO L226 Difference]: Without dead ends: 2153 [2024-09-12 17:56:40,580 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 346 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=545, Unknown=0, NotChecked=0, Total=650 [2024-09-12 17:56:40,580 INFO L434 NwaCegarLoop]: 91 mSDtfsCounter, 38 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:40,580 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1003 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:56:40,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2024-09-12 17:56:40,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2030. [2024-09-12 17:56:40,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2030 states, 1236 states have (on average 1.185275080906149) internal successors, (1465), 1288 states have internal predecessors, (1465), 746 states have call successors, (746), 41 states have call predecessors, (746), 40 states have return successors, (744), 700 states have call predecessors, (744), 744 states have call successors, (744) [2024-09-12 17:56:40,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 2030 states and 2955 transitions. [2024-09-12 17:56:40,943 INFO L78 Accepts]: Start accepts. Automaton has 2030 states and 2955 transitions. Word has length 156 [2024-09-12 17:56:40,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:40,944 INFO L474 AbstractCegarLoop]: Abstraction has 2030 states and 2955 transitions. [2024-09-12 17:56:40,944 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.173913043478261) internal successors, (96), 21 states have internal predecessors, (96), 9 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (45), 8 states have call predecessors, (45), 9 states have call successors, (45) [2024-09-12 17:56:40,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:40,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2955 transitions. [2024-09-12 17:56:40,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-09-12 17:56:40,946 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:40,946 INFO L216 NwaCegarLoop]: trace histogram [22, 22, 22, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:40,957 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:41,146 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-09-12 17:56:41,146 INFO L399 AbstractCegarLoop]: === Iteration 54 === Targeting mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:41,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:41,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1126885821, now seen corresponding path program 1 times [2024-09-12 17:56:41,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:41,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940173685] [2024-09-12 17:56:41,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:41,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,220 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,222 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,223 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,224 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,225 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,226 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,227 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,229 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,229 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,230 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,231 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,232 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,233 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:56:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,234 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-09-12 17:56:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,235 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:56:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,236 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:56:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,237 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:56:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,238 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-09-12 17:56:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,239 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-09-12 17:56:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,239 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-09-12 17:56:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-09-12 17:56:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,241 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-09-12 17:56:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-09-12 17:56:41,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:41,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940173685] [2024-09-12 17:56:41,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940173685] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:41,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108341072] [2024-09-12 17:56:41,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:41,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:41,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:41,245 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:41,247 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-09-12 17:56:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:41,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-12 17:56:41,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-09-12 17:56:41,359 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-09-12 17:56:41,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108341072] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:41,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:41,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-09-12 17:56:41,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974796116] [2024-09-12 17:56:41,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:41,514 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-09-12 17:56:41,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:41,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-09-12 17:56:41,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2024-09-12 17:56:41,515 INFO L87 Difference]: Start difference. First operand 2030 states and 2955 transitions. Second operand has 20 states, 19 states have (on average 5.578947368421052) internal successors, (106), 20 states have internal predecessors, (106), 10 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (51), 10 states have call predecessors, (51), 10 states have call successors, (51) [2024-09-12 17:56:41,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:41,979 INFO L93 Difference]: Finished difference Result 2186 states and 3199 transitions. [2024-09-12 17:56:41,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-12 17:56:41,979 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.578947368421052) internal successors, (106), 20 states have internal predecessors, (106), 10 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (51), 10 states have call predecessors, (51), 10 states have call successors, (51) Word has length 161 [2024-09-12 17:56:41,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:41,986 INFO L225 Difference]: With dead ends: 2186 [2024-09-12 17:56:41,986 INFO L226 Difference]: Without dead ends: 2184 [2024-09-12 17:56:41,986 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2024-09-12 17:56:41,987 INFO L434 NwaCegarLoop]: 72 mSDtfsCounter, 20 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:41,987 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 641 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:41,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2024-09-12 17:56:42,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 2088. [2024-09-12 17:56:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2088 states, 1278 states have (on average 1.1854460093896713) internal successors, (1515), 1331 states have internal predecessors, (1515), 762 states have call successors, (762), 41 states have call predecessors, (762), 40 states have return successors, (760), 715 states have call predecessors, (760), 760 states have call successors, (760) [2024-09-12 17:56:42,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 2088 states and 3037 transitions. [2024-09-12 17:56:42,358 INFO L78 Accepts]: Start accepts. Automaton has 2088 states and 3037 transitions. Word has length 161 [2024-09-12 17:56:42,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:42,358 INFO L474 AbstractCegarLoop]: Abstraction has 2088 states and 3037 transitions. [2024-09-12 17:56:42,358 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.578947368421052) internal successors, (106), 20 states have internal predecessors, (106), 10 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (51), 10 states have call predecessors, (51), 10 states have call successors, (51) [2024-09-12 17:56:42,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:42,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 3037 transitions. [2024-09-12 17:56:42,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-09-12 17:56:42,360 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:42,360 INFO L216 NwaCegarLoop]: trace histogram [24, 24, 24, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:42,374 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-09-12 17:56:42,564 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,27 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:42,564 INFO L399 AbstractCegarLoop]: === Iteration 55 === Targeting mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:42,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:42,565 INFO L85 PathProgramCache]: Analyzing trace with hash 2021301806, now seen corresponding path program 1 times [2024-09-12 17:56:42,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:42,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528530151] [2024-09-12 17:56:42,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:42,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,658 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,660 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,661 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,662 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,663 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,664 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,666 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,667 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,668 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,669 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,670 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,671 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:56:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,673 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 17:56:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-09-12 17:56:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-09-12 17:56:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,676 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-09-12 17:56:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,677 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-09-12 17:56:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 17:56:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:56:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-12 17:56:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-09-12 17:56:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-09-12 17:56:42,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:42,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528530151] [2024-09-12 17:56:42,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528530151] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:42,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929636717] [2024-09-12 17:56:42,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:42,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:42,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:42,684 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:42,685 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-09-12 17:56:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:42,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-09-12 17:56:42,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:42,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-09-12 17:56:42,804 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:43,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-09-12 17:56:43,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929636717] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:43,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:43,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-09-12 17:56:43,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377967420] [2024-09-12 17:56:43,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:43,008 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-12 17:56:43,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:43,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-12 17:56:43,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2024-09-12 17:56:43,009 INFO L87 Difference]: Start difference. First operand 2088 states and 3037 transitions. Second operand has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 24 states have internal predecessors, (112), 12 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (55), 12 states have call predecessors, (55), 12 states have call successors, (55) [2024-09-12 17:56:43,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:43,573 INFO L93 Difference]: Finished difference Result 2367 states and 3476 transitions. [2024-09-12 17:56:43,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-12 17:56:43,574 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 24 states have internal predecessors, (112), 12 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (55), 12 states have call predecessors, (55), 12 states have call successors, (55) Word has length 174 [2024-09-12 17:56:43,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:43,580 INFO L225 Difference]: With dead ends: 2367 [2024-09-12 17:56:43,580 INFO L226 Difference]: Without dead ends: 2364 [2024-09-12 17:56:43,581 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2024-09-12 17:56:43,581 INFO L434 NwaCegarLoop]: 72 mSDtfsCounter, 27 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:43,581 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 817 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:43,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2364 states. [2024-09-12 17:56:44,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2364 to 2318. [2024-09-12 17:56:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 1406 states have (on average 1.1813655761024182) internal successors, (1661), 1464 states have internal predecessors, (1661), 864 states have call successors, (864), 41 states have call predecessors, (864), 40 states have return successors, (862), 812 states have call predecessors, (862), 862 states have call successors, (862) [2024-09-12 17:56:44,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3387 transitions. [2024-09-12 17:56:44,110 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3387 transitions. Word has length 174 [2024-09-12 17:56:44,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:44,110 INFO L474 AbstractCegarLoop]: Abstraction has 2318 states and 3387 transitions. [2024-09-12 17:56:44,110 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 24 states have internal predecessors, (112), 12 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (55), 12 states have call predecessors, (55), 12 states have call successors, (55) [2024-09-12 17:56:44,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:44,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3387 transitions. [2024-09-12 17:56:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-09-12 17:56:44,113 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:44,114 INFO L216 NwaCegarLoop]: trace histogram [26, 25, 25, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:44,125 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:44,314 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,28 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:44,315 INFO L399 AbstractCegarLoop]: === Iteration 56 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:44,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:44,315 INFO L85 PathProgramCache]: Analyzing trace with hash 433791910, now seen corresponding path program 1 times [2024-09-12 17:56:44,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:44,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234764360] [2024-09-12 17:56:44,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:44,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,476 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,477 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,479 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,479 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,480 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,481 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,482 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,483 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,485 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,486 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,487 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,487 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,488 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:56:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,489 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-09-12 17:56:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,491 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:56:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,492 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-09-12 17:56:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,493 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:56:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,494 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:56:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,495 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:56:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,495 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-09-12 17:56:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,497 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-09-12 17:56:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,498 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 17:56:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,499 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:56:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,500 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-12 17:56:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,501 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-09-12 17:56:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,501 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-09-12 17:56:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1291 backedges. 62 proven. 29 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-09-12 17:56:44,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:44,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234764360] [2024-09-12 17:56:44,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234764360] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:44,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686078236] [2024-09-12 17:56:44,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:44,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:44,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:44,505 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:44,506 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-09-12 17:56:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:44,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-12 17:56:44,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1291 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-09-12 17:56:44,668 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:44,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686078236] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:44,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:44,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 17 [2024-09-12 17:56:44,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896691119] [2024-09-12 17:56:44,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:44,669 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-12 17:56:44,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:44,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-12 17:56:44,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-09-12 17:56:44,670 INFO L87 Difference]: Start difference. First operand 2318 states and 3387 transitions. Second operand has 13 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 6 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-09-12 17:56:45,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:45,284 INFO L93 Difference]: Finished difference Result 2379 states and 3464 transitions. [2024-09-12 17:56:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-12 17:56:45,285 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 6 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 185 [2024-09-12 17:56:45,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:45,290 INFO L225 Difference]: With dead ends: 2379 [2024-09-12 17:56:45,291 INFO L226 Difference]: Without dead ends: 2372 [2024-09-12 17:56:45,291 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-09-12 17:56:45,291 INFO L434 NwaCegarLoop]: 117 mSDtfsCounter, 39 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:45,291 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 788 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:56:45,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2024-09-12 17:56:45,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 2317. [2024-09-12 17:56:45,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2317 states, 1409 states have (on average 1.1596877217885024) internal successors, (1634), 1463 states have internal predecessors, (1634), 861 states have call successors, (861), 42 states have call predecessors, (861), 41 states have return successors, (860), 811 states have call predecessors, (860), 860 states have call successors, (860) [2024-09-12 17:56:45,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 3355 transitions. [2024-09-12 17:56:45,705 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 3355 transitions. Word has length 185 [2024-09-12 17:56:45,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:45,706 INFO L474 AbstractCegarLoop]: Abstraction has 2317 states and 3355 transitions. [2024-09-12 17:56:45,706 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 6 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-09-12 17:56:45,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 3355 transitions. [2024-09-12 17:56:45,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-09-12 17:56:45,708 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:45,708 INFO L216 NwaCegarLoop]: trace histogram [28, 27, 27, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:45,720 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-09-12 17:56:45,909 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-09-12 17:56:45,909 INFO L399 AbstractCegarLoop]: === Iteration 57 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:45,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:45,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1017803898, now seen corresponding path program 4 times [2024-09-12 17:56:45,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:45,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999001381] [2024-09-12 17:56:45,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:45,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,061 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,063 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,064 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,064 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,065 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,066 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,068 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,068 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,069 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,070 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,071 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,073 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,073 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:56:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 17:56:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,076 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-09-12 17:56:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,077 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-09-12 17:56:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,077 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-09-12 17:56:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,078 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-09-12 17:56:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,079 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 17:56:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,080 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:56:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,081 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-12 17:56:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,082 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-09-12 17:56:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,083 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-09-12 17:56:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,084 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-09-12 17:56:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-09-12 17:56:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:46,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1517 backedges. 78 proven. 35 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-09-12 17:56:46,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:46,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999001381] [2024-09-12 17:56:46,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999001381] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:46,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845962683] [2024-09-12 17:56:46,086 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-12 17:56:46,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:46,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:46,088 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:46,089 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-09-12 17:56:46,146 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-12 17:56:46,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:56:46,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-12 17:56:46,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1517 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-09-12 17:56:46,248 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:46,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845962683] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:46,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:46,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 19 [2024-09-12 17:56:46,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100559718] [2024-09-12 17:56:46,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:46,248 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-12 17:56:46,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:46,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-12 17:56:46,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-09-12 17:56:46,249 INFO L87 Difference]: Start difference. First operand 2317 states and 3355 transitions. Second operand has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 7 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2024-09-12 17:56:46,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:46,913 INFO L93 Difference]: Finished difference Result 2327 states and 3364 transitions. [2024-09-12 17:56:46,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-12 17:56:46,914 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 7 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) Word has length 199 [2024-09-12 17:56:46,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:46,921 INFO L225 Difference]: With dead ends: 2327 [2024-09-12 17:56:46,922 INFO L226 Difference]: Without dead ends: 2325 [2024-09-12 17:56:46,923 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2024-09-12 17:56:46,923 INFO L434 NwaCegarLoop]: 166 mSDtfsCounter, 17 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:46,923 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1517 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:56:46,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2024-09-12 17:56:47,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 2315. [2024-09-12 17:56:47,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2315 states, 1408 states have (on average 1.1590909090909092) internal successors, (1632), 1461 states have internal predecessors, (1632), 861 states have call successors, (861), 42 states have call predecessors, (861), 41 states have return successors, (860), 811 states have call predecessors, (860), 860 states have call successors, (860) [2024-09-12 17:56:47,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2315 states and 3353 transitions. [2024-09-12 17:56:47,358 INFO L78 Accepts]: Start accepts. Automaton has 2315 states and 3353 transitions. Word has length 199 [2024-09-12 17:56:47,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:47,358 INFO L474 AbstractCegarLoop]: Abstraction has 2315 states and 3353 transitions. [2024-09-12 17:56:47,358 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 7 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2024-09-12 17:56:47,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:47,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 3353 transitions. [2024-09-12 17:56:47,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-09-12 17:56:47,361 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:47,361 INFO L216 NwaCegarLoop]: trace histogram [28, 28, 28, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:47,373 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:47,561 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-09-12 17:56:47,562 INFO L399 AbstractCegarLoop]: === Iteration 58 === Targeting mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:47,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:47,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1283443641, now seen corresponding path program 1 times [2024-09-12 17:56:47,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:47,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883927542] [2024-09-12 17:56:47,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:47,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,685 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,686 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,687 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,688 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,689 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,690 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,691 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,691 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,692 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,693 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,694 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,695 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,696 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:56:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-09-12 17:56:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,698 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:56:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,699 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-09-12 17:56:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,700 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:56:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,701 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:56:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,702 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:56:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,703 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-09-12 17:56:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,704 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-09-12 17:56:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,705 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 17:56:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,705 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:56:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,706 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-12 17:56:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-09-12 17:56:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,708 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-09-12 17:56:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,709 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-09-12 17:56:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,710 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-09-12 17:56:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,711 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-09-12 17:56:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1577 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-09-12 17:56:47,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:47,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883927542] [2024-09-12 17:56:47,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883927542] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:47,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915016436] [2024-09-12 17:56:47,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:47,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:47,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:47,715 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:47,716 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-09-12 17:56:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:47,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-12 17:56:47,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1577 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-09-12 17:56:47,869 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1577 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-09-12 17:56:48,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915016436] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:48,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:48,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 27 [2024-09-12 17:56:48,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258005459] [2024-09-12 17:56:48,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:48,073 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-12 17:56:48,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:48,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-12 17:56:48,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=605, Unknown=0, NotChecked=0, Total=756 [2024-09-12 17:56:48,073 INFO L87 Difference]: Start difference. First operand 2315 states and 3353 transitions. Second operand has 28 states, 27 states have (on average 4.814814814814815) internal successors, (130), 28 states have internal predecessors, (130), 14 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (63), 14 states have call predecessors, (63), 14 states have call successors, (63) [2024-09-12 17:56:48,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:48,807 INFO L93 Difference]: Finished difference Result 2998 states and 4441 transitions. [2024-09-12 17:56:48,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-12 17:56:48,808 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 4.814814814814815) internal successors, (130), 28 states have internal predecessors, (130), 14 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (63), 14 states have call predecessors, (63), 14 states have call successors, (63) Word has length 203 [2024-09-12 17:56:48,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:48,815 INFO L225 Difference]: With dead ends: 2998 [2024-09-12 17:56:48,815 INFO L226 Difference]: Without dead ends: 2917 [2024-09-12 17:56:48,816 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=605, Unknown=0, NotChecked=0, Total=756 [2024-09-12 17:56:48,816 INFO L434 NwaCegarLoop]: 64 mSDtfsCounter, 34 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:48,816 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 888 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2917 states. [2024-09-12 17:56:49,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2917 to 2804. [2024-09-12 17:56:49,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2804 states, 1729 states have (on average 1.1526894158473107) internal successors, (1993), 1781 states have internal predecessors, (1993), 1029 states have call successors, (1029), 42 states have call predecessors, (1029), 41 states have return successors, (1028), 980 states have call predecessors, (1028), 1028 states have call successors, (1028) [2024-09-12 17:56:49,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 4050 transitions. [2024-09-12 17:56:49,353 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 4050 transitions. Word has length 203 [2024-09-12 17:56:49,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:49,354 INFO L474 AbstractCegarLoop]: Abstraction has 2804 states and 4050 transitions. [2024-09-12 17:56:49,354 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 4.814814814814815) internal successors, (130), 28 states have internal predecessors, (130), 14 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (63), 14 states have call predecessors, (63), 14 states have call successors, (63) [2024-09-12 17:56:49,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4050 transitions. [2024-09-12 17:56:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-09-12 17:56:49,356 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:49,356 INFO L216 NwaCegarLoop]: trace histogram [28, 28, 28, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:49,368 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:49,557 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-09-12 17:56:49,557 INFO L399 AbstractCegarLoop]: === Iteration 59 === Targeting mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:49,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:49,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1119732346, now seen corresponding path program 2 times [2024-09-12 17:56:49,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:49,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838778191] [2024-09-12 17:56:49,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:49,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,661 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,662 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,663 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,664 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,666 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,667 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,668 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,669 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,669 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,670 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,671 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,673 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:56:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-09-12 17:56:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:56:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,676 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:56:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,677 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:56:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-09-12 17:56:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-09-12 17:56:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-09-12 17:56:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:56:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-12 17:56:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,682 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-09-12 17:56:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,683 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-09-12 17:56:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,684 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-09-12 17:56:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,685 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-09-12 17:56:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,686 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-09-12 17:56:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,687 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-09-12 17:56:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-09-12 17:56:49,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:49,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838778191] [2024-09-12 17:56:49,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838778191] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:49,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406574124] [2024-09-12 17:56:49,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:56:49,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:49,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:49,690 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:49,691 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-09-12 17:56:49,744 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 17:56:49,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:56:49,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-09-12 17:56:49,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:49,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-09-12 17:56:49,826 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-09-12 17:56:50,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406574124] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:50,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:50,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-09-12 17:56:50,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750907151] [2024-09-12 17:56:50,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:50,012 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-12 17:56:50,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:50,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-12 17:56:50,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-09-12 17:56:50,013 INFO L87 Difference]: Start difference. First operand 2804 states and 4050 transitions. Second operand has 24 states, 23 states have (on average 6.086956521739131) internal successors, (140), 24 states have internal predecessors, (140), 12 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (63), 12 states have call predecessors, (63), 12 states have call successors, (63) [2024-09-12 17:56:51,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:51,087 INFO L93 Difference]: Finished difference Result 4473 states and 6501 transitions. [2024-09-12 17:56:51,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-12 17:56:51,087 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.086956521739131) internal successors, (140), 24 states have internal predecessors, (140), 12 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (63), 12 states have call predecessors, (63), 12 states have call successors, (63) Word has length 206 [2024-09-12 17:56:51,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:51,099 INFO L225 Difference]: With dead ends: 4473 [2024-09-12 17:56:51,099 INFO L226 Difference]: Without dead ends: 4472 [2024-09-12 17:56:51,100 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-09-12 17:56:51,101 INFO L434 NwaCegarLoop]: 64 mSDtfsCounter, 81 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:51,101 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 722 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:56:51,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4472 states. [2024-09-12 17:56:51,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4472 to 3812. [2024-09-12 17:56:51,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3812 states, 2399 states have (on average 1.1508962067528137) internal successors, (2761), 2453 states have internal predecessors, (2761), 1367 states have call successors, (1367), 42 states have call predecessors, (1367), 41 states have return successors, (1366), 1316 states have call predecessors, (1366), 1366 states have call successors, (1366) [2024-09-12 17:56:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3812 states and 5494 transitions. [2024-09-12 17:56:51,864 INFO L78 Accepts]: Start accepts. Automaton has 3812 states and 5494 transitions. Word has length 206 [2024-09-12 17:56:51,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:51,864 INFO L474 AbstractCegarLoop]: Abstraction has 3812 states and 5494 transitions. [2024-09-12 17:56:51,864 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.086956521739131) internal successors, (140), 24 states have internal predecessors, (140), 12 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (63), 12 states have call predecessors, (63), 12 states have call successors, (63) [2024-09-12 17:56:51,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:51,864 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 5494 transitions. [2024-09-12 17:56:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-09-12 17:56:51,868 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:51,868 INFO L216 NwaCegarLoop]: trace histogram [34, 34, 34, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:51,880 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-09-12 17:56:52,069 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-09-12 17:56:52,069 INFO L399 AbstractCegarLoop]: === Iteration 60 === Targeting mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:52,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:52,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1187425507, now seen corresponding path program 1 times [2024-09-12 17:56:52,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:52,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649196016] [2024-09-12 17:56:52,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:52,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,244 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,247 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,248 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,249 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,250 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,253 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,253 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,254 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,255 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:56:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,256 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-09-12 17:56:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,257 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:56:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,258 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-09-12 17:56:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:56:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,260 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:56:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,261 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:56:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,261 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-09-12 17:56:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-09-12 17:56:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,263 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-09-12 17:56:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-09-12 17:56:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-09-12 17:56:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,266 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-09-12 17:56:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-09-12 17:56:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,269 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-09-12 17:56:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,270 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-09-12 17:56:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-09-12 17:56:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,272 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-09-12 17:56:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,273 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-09-12 17:56:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,274 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-09-12 17:56:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,275 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-09-12 17:56:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,276 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-12 17:56:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-09-12 17:56:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2329 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-09-12 17:56:52,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:52,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649196016] [2024-09-12 17:56:52,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649196016] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:52,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374966855] [2024-09-12 17:56:52,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:52,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:52,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:52,280 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:52,281 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-09-12 17:56:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:52,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-12 17:56:52,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:52,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2329 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-09-12 17:56:52,448 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:52,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2329 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-09-12 17:56:52,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374966855] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:52,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:52,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 35 [2024-09-12 17:56:52,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933626397] [2024-09-12 17:56:52,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:52,754 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-12 17:56:52,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:52,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-12 17:56:52,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=1013, Unknown=0, NotChecked=0, Total=1260 [2024-09-12 17:56:52,755 INFO L87 Difference]: Start difference. First operand 3812 states and 5494 transitions. Second operand has 36 states, 35 states have (on average 3.942857142857143) internal successors, (138), 36 states have internal predecessors, (138), 18 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (75), 18 states have call predecessors, (75), 18 states have call successors, (75) [2024-09-12 17:56:53,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:53,916 INFO L93 Difference]: Finished difference Result 4088 states and 5928 transitions. [2024-09-12 17:56:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-12 17:56:53,917 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 3.942857142857143) internal successors, (138), 36 states have internal predecessors, (138), 18 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (75), 18 states have call predecessors, (75), 18 states have call successors, (75) Word has length 237 [2024-09-12 17:56:53,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:53,927 INFO L225 Difference]: With dead ends: 4088 [2024-09-12 17:56:53,927 INFO L226 Difference]: Without dead ends: 4085 [2024-09-12 17:56:53,927 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=1013, Unknown=0, NotChecked=0, Total=1260 [2024-09-12 17:56:53,928 INFO L434 NwaCegarLoop]: 66 mSDtfsCounter, 22 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:53,928 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 1197 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:56:53,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4085 states. [2024-09-12 17:56:54,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4085 to 4037. [2024-09-12 17:56:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4037 states, 2540 states have (on average 1.1519685039370078) internal successors, (2926), 2594 states have internal predecessors, (2926), 1451 states have call successors, (1451), 42 states have call predecessors, (1451), 41 states have return successors, (1450), 1400 states have call predecessors, (1450), 1450 states have call successors, (1450) [2024-09-12 17:56:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4037 states to 4037 states and 5827 transitions. [2024-09-12 17:56:54,717 INFO L78 Accepts]: Start accepts. Automaton has 4037 states and 5827 transitions. Word has length 237 [2024-09-12 17:56:54,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:54,717 INFO L474 AbstractCegarLoop]: Abstraction has 4037 states and 5827 transitions. [2024-09-12 17:56:54,717 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 3.942857142857143) internal successors, (138), 36 states have internal predecessors, (138), 18 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (75), 18 states have call predecessors, (75), 18 states have call successors, (75) [2024-09-12 17:56:54,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:54,717 INFO L276 IsEmpty]: Start isEmpty. Operand 4037 states and 5827 transitions. [2024-09-12 17:56:54,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-09-12 17:56:54,721 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:54,721 INFO L216 NwaCegarLoop]: trace histogram [34, 34, 34, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:54,732 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:54,921 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-09-12 17:56:54,922 INFO L399 AbstractCegarLoop]: === Iteration 61 === Targeting mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:54,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:54,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1345385243, now seen corresponding path program 1 times [2024-09-12 17:56:54,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:54,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312968139] [2024-09-12 17:56:54,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:54,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,035 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,036 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,037 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,037 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,039 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:56:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:56:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,042 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:56:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,043 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:56:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,044 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:56:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,045 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:56:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-09-12 17:56:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:56:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,047 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-09-12 17:56:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:56:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,049 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:56:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:56:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,051 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-09-12 17:56:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,051 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-09-12 17:56:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-09-12 17:56:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,053 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-09-12 17:56:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-09-12 17:56:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-09-12 17:56:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,055 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-09-12 17:56:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,056 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-09-12 17:56:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,057 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-09-12 17:56:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,058 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-09-12 17:56:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,059 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-09-12 17:56:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-09-12 17:56:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,061 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-09-12 17:56:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-09-12 17:56:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,063 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-12 17:56:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,063 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-09-12 17:56:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2333 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-09-12 17:56:55,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:55,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312968139] [2024-09-12 17:56:55,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312968139] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:55,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770567251] [2024-09-12 17:56:55,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:55,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:55,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:55,070 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:55,071 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-09-12 17:56:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:55,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-12 17:56:55,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:55,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2333 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-09-12 17:56:55,196 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2333 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-09-12 17:56:55,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770567251] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:55,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:55,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 27 [2024-09-12 17:56:55,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97469275] [2024-09-12 17:56:55,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:55,400 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-12 17:56:55,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:55,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-12 17:56:55,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2024-09-12 17:56:55,401 INFO L87 Difference]: Start difference. First operand 4037 states and 5827 transitions. Second operand has 28 states, 27 states have (on average 5.407407407407407) internal successors, (146), 28 states have internal predecessors, (146), 14 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (75), 14 states have call predecessors, (75), 14 states have call successors, (75) [2024-09-12 17:56:56,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:56,492 INFO L93 Difference]: Finished difference Result 4746 states and 6874 transitions. [2024-09-12 17:56:56,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-12 17:56:56,492 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 5.407407407407407) internal successors, (146), 28 states have internal predecessors, (146), 14 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (75), 14 states have call predecessors, (75), 14 states have call successors, (75) Word has length 239 [2024-09-12 17:56:56,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:56,503 INFO L225 Difference]: With dead ends: 4746 [2024-09-12 17:56:56,503 INFO L226 Difference]: Without dead ends: 4745 [2024-09-12 17:56:56,504 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 534 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2024-09-12 17:56:56,504 INFO L434 NwaCegarLoop]: 65 mSDtfsCounter, 97 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:56,504 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 669 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:56:56,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4745 states. [2024-09-12 17:56:57,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4745 to 4613. [2024-09-12 17:56:57,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4613 states, 2908 states have (on average 1.1482118294360386) internal successors, (3339), 2962 states have internal predecessors, (3339), 1659 states have call successors, (1659), 42 states have call predecessors, (1659), 41 states have return successors, (1658), 1608 states have call predecessors, (1658), 1658 states have call successors, (1658) [2024-09-12 17:56:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4613 states to 4613 states and 6656 transitions. [2024-09-12 17:56:57,397 INFO L78 Accepts]: Start accepts. Automaton has 4613 states and 6656 transitions. Word has length 239 [2024-09-12 17:56:57,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:57,397 INFO L474 AbstractCegarLoop]: Abstraction has 4613 states and 6656 transitions. [2024-09-12 17:56:57,398 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 5.407407407407407) internal successors, (146), 28 states have internal predecessors, (146), 14 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (75), 14 states have call predecessors, (75), 14 states have call successors, (75) [2024-09-12 17:56:57,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 4613 states and 6656 transitions. [2024-09-12 17:56:57,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-09-12 17:56:57,402 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:57,402 INFO L216 NwaCegarLoop]: trace histogram [34, 34, 34, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:57,413 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:57,602 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,34 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:57,603 INFO L399 AbstractCegarLoop]: === Iteration 62 === Targeting mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:56:57,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:57,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1166549440, now seen corresponding path program 2 times [2024-09-12 17:56:57,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:57,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006533523] [2024-09-12 17:56:57,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:57,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:56:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,758 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,759 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:56:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,761 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:56:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,762 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:56:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,763 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:56:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,764 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:56:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,764 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:56:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,765 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:56:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,766 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:56:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,767 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,768 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:56:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,768 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,769 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 17:56:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,770 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-09-12 17:56:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,771 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-09-12 17:56:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,771 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-09-12 17:56:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,772 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-09-12 17:56:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,773 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 17:56:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,774 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:56:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,775 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-12 17:56:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,775 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-09-12 17:56:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,776 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-09-12 17:56:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,777 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-09-12 17:56:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,778 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-09-12 17:56:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,779 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-09-12 17:56:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,780 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-09-12 17:56:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,780 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-09-12 17:56:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-09-12 17:56:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,782 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-09-12 17:56:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,783 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-09-12 17:56:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,784 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-09-12 17:56:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-09-12 17:56:57,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:57,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006533523] [2024-09-12 17:56:57,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006533523] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:57,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813522509] [2024-09-12 17:56:57,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:56:57,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:57,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:57,786 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:56:57,787 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-09-12 17:56:57,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-12 17:56:57,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:56:57,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-12 17:56:57,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2300 trivial. 0 not checked. [2024-09-12 17:56:57,910 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2300 trivial. 0 not checked. [2024-09-12 17:56:58,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813522509] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:58,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:58,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 25 [2024-09-12 17:56:58,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919044069] [2024-09-12 17:56:58,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:58,069 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-09-12 17:56:58,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:58,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-09-12 17:56:58,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=545, Unknown=0, NotChecked=0, Total=650 [2024-09-12 17:56:58,070 INFO L87 Difference]: Start difference. First operand 4613 states and 6656 transitions. Second operand has 26 states, 25 states have (on average 5.96) internal successors, (149), 26 states have internal predecessors, (149), 13 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (75), 13 states have call predecessors, (75), 13 states have call successors, (75) [2024-09-12 17:56:59,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:59,503 INFO L93 Difference]: Finished difference Result 4692 states and 6771 transitions. [2024-09-12 17:56:59,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-12 17:56:59,503 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 5.96) internal successors, (149), 26 states have internal predecessors, (149), 13 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (75), 13 states have call predecessors, (75), 13 states have call successors, (75) Word has length 241 [2024-09-12 17:56:59,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:59,515 INFO L225 Difference]: With dead ends: 4692 [2024-09-12 17:56:59,515 INFO L226 Difference]: Without dead ends: 4631 [2024-09-12 17:56:59,517 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 589 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=368, Invalid=1702, Unknown=0, NotChecked=0, Total=2070 [2024-09-12 17:56:59,517 INFO L434 NwaCegarLoop]: 60 mSDtfsCounter, 154 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:59,517 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 721 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:56:59,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4631 states. [2024-09-12 17:57:00,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4631 to 4200. [2024-09-12 17:57:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4200 states, 2668 states have (on average 1.1341829085457271) internal successors, (3026), 2705 states have internal predecessors, (3026), 1489 states have call successors, (1489), 40 states have call predecessors, (1489), 39 states have return successors, (1488), 1454 states have call predecessors, (1488), 1488 states have call successors, (1488) [2024-09-12 17:57:00,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4200 states to 4200 states and 6003 transitions. [2024-09-12 17:57:00,367 INFO L78 Accepts]: Start accepts. Automaton has 4200 states and 6003 transitions. Word has length 241 [2024-09-12 17:57:00,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:57:00,367 INFO L474 AbstractCegarLoop]: Abstraction has 4200 states and 6003 transitions. [2024-09-12 17:57:00,367 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 5.96) internal successors, (149), 26 states have internal predecessors, (149), 13 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (75), 13 states have call predecessors, (75), 13 states have call successors, (75) [2024-09-12 17:57:00,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:00,368 INFO L276 IsEmpty]: Start isEmpty. Operand 4200 states and 6003 transitions. [2024-09-12 17:57:00,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-09-12 17:57:00,372 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:57:00,372 INFO L216 NwaCegarLoop]: trace histogram [34, 34, 34, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:57:00,383 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-09-12 17:57:00,573 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,35 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:00,573 INFO L399 AbstractCegarLoop]: === Iteration 63 === Targeting mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:57:00,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:00,573 INFO L85 PathProgramCache]: Analyzing trace with hash 710052351, now seen corresponding path program 1 times [2024-09-12 17:57:00,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:57:00,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058528275] [2024-09-12 17:57:00,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:00,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:57:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,718 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:57:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,719 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:57:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,720 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:57:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,721 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:57:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,722 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:57:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,723 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:57:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,723 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:57:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,724 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:57:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,725 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:57:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,726 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:57:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,727 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:57:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,727 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:57:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:57:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,729 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:57:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-09-12 17:57:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,731 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:57:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,732 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:57:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,732 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:57:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,733 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-09-12 17:57:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,734 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-09-12 17:57:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,735 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-09-12 17:57:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,736 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-09-12 17:57:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,737 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-09-12 17:57:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,737 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-09-12 17:57:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-09-12 17:57:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,739 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-09-12 17:57:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,740 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-09-12 17:57:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,741 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-09-12 17:57:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,741 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-09-12 17:57:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,742 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-09-12 17:57:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,743 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-09-12 17:57:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,744 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-09-12 17:57:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-12 17:57:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-09-12 17:57:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-09-12 17:57:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2329 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-09-12 17:57:00,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:57:00,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058528275] [2024-09-12 17:57:00,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058528275] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:57:00,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182132819] [2024-09-12 17:57:00,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:00,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:00,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:57:00,749 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:57:00,749 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-09-12 17:57:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:00,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-12 17:57:00,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:57:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2329 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-09-12 17:57:00,886 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:57:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2329 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-09-12 17:57:01,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182132819] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:57:01,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:57:01,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31 [2024-09-12 17:57:01,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203690462] [2024-09-12 17:57:01,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:57:01,164 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-12 17:57:01,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:57:01,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-12 17:57:01,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=803, Unknown=0, NotChecked=0, Total=992 [2024-09-12 17:57:01,165 INFO L87 Difference]: Start difference. First operand 4200 states and 6003 transitions. Second operand has 32 states, 31 states have (on average 4.774193548387097) internal successors, (148), 32 states have internal predecessors, (148), 16 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (75), 16 states have call predecessors, (75), 16 states have call successors, (75) [2024-09-12 17:57:02,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:57:02,297 INFO L93 Difference]: Finished difference Result 4741 states and 6827 transitions. [2024-09-12 17:57:02,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-12 17:57:02,298 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 4.774193548387097) internal successors, (148), 32 states have internal predecessors, (148), 16 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (75), 16 states have call predecessors, (75), 16 states have call successors, (75) Word has length 242 [2024-09-12 17:57:02,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:57:02,309 INFO L225 Difference]: With dead ends: 4741 [2024-09-12 17:57:02,310 INFO L226 Difference]: Without dead ends: 4738 [2024-09-12 17:57:02,311 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=189, Invalid=803, Unknown=0, NotChecked=0, Total=992 [2024-09-12 17:57:02,311 INFO L434 NwaCegarLoop]: 62 mSDtfsCounter, 18 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:57:02,311 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 933 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:57:02,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4738 states. [2024-09-12 17:57:03,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4738 to 4208. [2024-09-12 17:57:03,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4208 states, 2678 states have (on average 1.1344286781179984) internal successors, (3038), 2717 states have internal predecessors, (3038), 1487 states have call successors, (1487), 40 states have call predecessors, (1487), 39 states have return successors, (1486), 1450 states have call predecessors, (1486), 1486 states have call successors, (1486) [2024-09-12 17:57:03,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4208 states to 4208 states and 6011 transitions. [2024-09-12 17:57:03,172 INFO L78 Accepts]: Start accepts. Automaton has 4208 states and 6011 transitions. Word has length 242 [2024-09-12 17:57:03,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:57:03,172 INFO L474 AbstractCegarLoop]: Abstraction has 4208 states and 6011 transitions. [2024-09-12 17:57:03,172 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.774193548387097) internal successors, (148), 32 states have internal predecessors, (148), 16 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (75), 16 states have call predecessors, (75), 16 states have call successors, (75) [2024-09-12 17:57:03,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:03,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4208 states and 6011 transitions. [2024-09-12 17:57:03,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-09-12 17:57:03,177 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:57:03,177 INFO L216 NwaCegarLoop]: trace histogram [36, 36, 36, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:57:03,188 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-09-12 17:57:03,377 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2024-09-12 17:57:03,377 INFO L399 AbstractCegarLoop]: === Iteration 64 === Targeting mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:57:03,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:03,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1638913440, now seen corresponding path program 2 times [2024-09-12 17:57:03,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:57:03,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557458424] [2024-09-12 17:57:03,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:03,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:57:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,539 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:57:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,540 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:57:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,541 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:57:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,541 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:57:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,542 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:57:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,543 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:57:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,544 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:57:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:57:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:57:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,546 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:57:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:57:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,548 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:57:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,548 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:57:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,549 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-09-12 17:57:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,550 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:57:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,551 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-09-12 17:57:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,552 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:57:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,553 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:57:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,554 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:57:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,554 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-09-12 17:57:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,555 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-09-12 17:57:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,556 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-09-12 17:57:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,557 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-09-12 17:57:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,558 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-09-12 17:57:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,559 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-09-12 17:57:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,560 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-09-12 17:57:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,561 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-09-12 17:57:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,562 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-09-12 17:57:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,563 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-09-12 17:57:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,564 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-09-12 17:57:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,565 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-09-12 17:57:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,565 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-09-12 17:57:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,566 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-09-12 17:57:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,567 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-09-12 17:57:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,568 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-09-12 17:57:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,569 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-09-12 17:57:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,570 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-09-12 17:57:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2617 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-09-12 17:57:03,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:57:03,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557458424] [2024-09-12 17:57:03,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557458424] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:57:03,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268669500] [2024-09-12 17:57:03,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:57:03,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:03,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:57:03,573 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:57:03,574 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-09-12 17:57:03,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-12 17:57:03,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:57:03,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-12 17:57:03,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:57:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2617 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 2576 trivial. 0 not checked. [2024-09-12 17:57:03,706 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:57:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2617 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 2576 trivial. 0 not checked. [2024-09-12 17:57:03,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268669500] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:57:03,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:57:03,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 25 [2024-09-12 17:57:03,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669861054] [2024-09-12 17:57:03,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:57:03,865 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-09-12 17:57:03,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:57:03,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-09-12 17:57:03,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2024-09-12 17:57:03,866 INFO L87 Difference]: Start difference. First operand 4208 states and 6011 transitions. Second operand has 26 states, 25 states have (on average 6.44) internal successors, (161), 26 states have internal predecessors, (161), 13 states have call successors, (82), 1 states have call predecessors, (82), 1 states have return successors, (81), 13 states have call predecessors, (81), 13 states have call successors, (81) [2024-09-12 17:57:05,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:57:05,084 INFO L93 Difference]: Finished difference Result 4344 states and 6221 transitions. [2024-09-12 17:57:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-12 17:57:05,085 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.44) internal successors, (161), 26 states have internal predecessors, (161), 13 states have call successors, (82), 1 states have call predecessors, (82), 1 states have return successors, (81), 13 states have call predecessors, (81), 13 states have call successors, (81) Word has length 255 [2024-09-12 17:57:05,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:57:05,096 INFO L225 Difference]: With dead ends: 4344 [2024-09-12 17:57:05,096 INFO L226 Difference]: Without dead ends: 4343 [2024-09-12 17:57:05,097 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=376, Invalid=1694, Unknown=0, NotChecked=0, Total=2070 [2024-09-12 17:57:05,098 INFO L434 NwaCegarLoop]: 58 mSDtfsCounter, 212 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:57:05,098 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 725 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:57:05,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4343 states. [2024-09-12 17:57:05,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4343 to 4207. [2024-09-12 17:57:05,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4207 states, 2678 states have (on average 1.128080657206871) internal successors, (3021), 2716 states have internal predecessors, (3021), 1487 states have call successors, (1487), 40 states have call predecessors, (1487), 39 states have return successors, (1486), 1450 states have call predecessors, (1486), 1486 states have call successors, (1486) [2024-09-12 17:57:05,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4207 states to 4207 states and 5994 transitions. [2024-09-12 17:57:05,963 INFO L78 Accepts]: Start accepts. Automaton has 4207 states and 5994 transitions. Word has length 255 [2024-09-12 17:57:05,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:57:05,963 INFO L474 AbstractCegarLoop]: Abstraction has 4207 states and 5994 transitions. [2024-09-12 17:57:05,963 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.44) internal successors, (161), 26 states have internal predecessors, (161), 13 states have call successors, (82), 1 states have call predecessors, (82), 1 states have return successors, (81), 13 states have call predecessors, (81), 13 states have call successors, (81) [2024-09-12 17:57:05,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:05,964 INFO L276 IsEmpty]: Start isEmpty. Operand 4207 states and 5994 transitions. [2024-09-12 17:57:05,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-09-12 17:57:05,970 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:57:05,970 INFO L216 NwaCegarLoop]: trace histogram [40, 40, 40, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:57:05,981 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-09-12 17:57:06,170 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,37 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:06,171 INFO L399 AbstractCegarLoop]: === Iteration 65 === Targeting mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:57:06,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:06,171 INFO L85 PathProgramCache]: Analyzing trace with hash 244205848, now seen corresponding path program 2 times [2024-09-12 17:57:06,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:57:06,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095347788] [2024-09-12 17:57:06,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:06,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:57:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,398 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:57:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:57:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:57:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:57:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:57:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,402 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:57:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,403 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:57:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,403 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:57:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:57:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:57:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,406 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:57:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:57:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:57:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,408 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-09-12 17:57:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:57:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,410 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-09-12 17:57:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,410 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:57:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,411 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:57:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,412 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:57:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,413 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-09-12 17:57:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,413 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-09-12 17:57:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-09-12 17:57:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,415 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-09-12 17:57:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-09-12 17:57:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-09-12 17:57:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-09-12 17:57:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,418 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-09-12 17:57:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,419 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-09-12 17:57:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-09-12 17:57:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-09-12 17:57:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-09-12 17:57:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-09-12 17:57:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,423 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-09-12 17:57:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-09-12 17:57:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-09-12 17:57:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,425 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-09-12 17:57:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,426 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-09-12 17:57:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,427 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-09-12 17:57:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,428 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-09-12 17:57:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,428 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-09-12 17:57:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,429 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-09-12 17:57:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:06,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3235 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-09-12 17:57:06,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:57:06,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095347788] [2024-09-12 17:57:06,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095347788] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:57:06,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092454141] [2024-09-12 17:57:06,431 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:57:06,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:06,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:57:06,432 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:57:06,434 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-09-12 17:57:06,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 17:57:06,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:57:06,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-12 17:57:06,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:57:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3235 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-09-12 17:57:06,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:57:06,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3235 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-09-12 17:57:06,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092454141] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:57:06,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:57:06,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 39 [2024-09-12 17:57:06,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891473795] [2024-09-12 17:57:06,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:57:06,900 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-09-12 17:57:06,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:57:06,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-09-12 17:57:06,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=1269, Unknown=0, NotChecked=0, Total=1560 [2024-09-12 17:57:06,901 INFO L87 Difference]: Start difference. First operand 4207 states and 5994 transitions. Second operand has 40 states, 39 states have (on average 4.205128205128205) internal successors, (164), 40 states have internal predecessors, (164), 20 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (87), 20 states have call predecessors, (87), 20 states have call successors, (87) [2024-09-12 17:57:08,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:57:08,141 INFO L93 Difference]: Finished difference Result 5026 states and 7219 transitions. [2024-09-12 17:57:08,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-12 17:57:08,142 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 4.205128205128205) internal successors, (164), 40 states have internal predecessors, (164), 20 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (87), 20 states have call predecessors, (87), 20 states have call successors, (87) Word has length 280 [2024-09-12 17:57:08,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:57:08,153 INFO L225 Difference]: With dead ends: 5026 [2024-09-12 17:57:08,154 INFO L226 Difference]: Without dead ends: 5024 [2024-09-12 17:57:08,155 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 622 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=291, Invalid=1269, Unknown=0, NotChecked=0, Total=1560 [2024-09-12 17:57:08,155 INFO L434 NwaCegarLoop]: 62 mSDtfsCounter, 25 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:57:08,155 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 708 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:57:08,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5024 states. [2024-09-12 17:57:09,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5024 to 4696. [2024-09-12 17:57:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4696 states, 2977 states have (on average 1.1273093718508567) internal successors, (3356), 3018 states have internal predecessors, (3356), 1677 states have call successors, (1677), 40 states have call predecessors, (1677), 39 states have return successors, (1676), 1637 states have call predecessors, (1676), 1676 states have call successors, (1676) [2024-09-12 17:57:09,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4696 states and 6709 transitions. [2024-09-12 17:57:09,152 INFO L78 Accepts]: Start accepts. Automaton has 4696 states and 6709 transitions. Word has length 280 [2024-09-12 17:57:09,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:57:09,152 INFO L474 AbstractCegarLoop]: Abstraction has 4696 states and 6709 transitions. [2024-09-12 17:57:09,153 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 4.205128205128205) internal successors, (164), 40 states have internal predecessors, (164), 20 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (87), 20 states have call predecessors, (87), 20 states have call successors, (87) [2024-09-12 17:57:09,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:09,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 6709 transitions. [2024-09-12 17:57:09,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-09-12 17:57:09,159 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:57:09,159 INFO L216 NwaCegarLoop]: trace histogram [40, 40, 40, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:57:09,170 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-09-12 17:57:09,359 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,38 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:09,360 INFO L399 AbstractCegarLoop]: === Iteration 66 === Targeting mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:57:09,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:09,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1541378086, now seen corresponding path program 1 times [2024-09-12 17:57:09,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:57:09,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431932969] [2024-09-12 17:57:09,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:09,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:57:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,504 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:57:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,505 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:57:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,506 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:57:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,507 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:57:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,507 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:57:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,508 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:57:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,509 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:57:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,510 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:57:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,510 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:57:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,511 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:57:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,512 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:57:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,513 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:57:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,513 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:57:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,514 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-09-12 17:57:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,515 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:57:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,516 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-09-12 17:57:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:57:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:57:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,518 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:57:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,519 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-09-12 17:57:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,520 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-09-12 17:57:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-09-12 17:57:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,522 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-09-12 17:57:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,523 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-09-12 17:57:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,524 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-09-12 17:57:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,525 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-09-12 17:57:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,525 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-09-12 17:57:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,526 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-09-12 17:57:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,527 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-09-12 17:57:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,528 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-09-12 17:57:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-09-12 17:57:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-09-12 17:57:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,530 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-09-12 17:57:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,531 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-09-12 17:57:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,532 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-09-12 17:57:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,532 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-09-12 17:57:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,533 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-09-12 17:57:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,534 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-09-12 17:57:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,535 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-09-12 17:57:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,535 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-09-12 17:57:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,536 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-09-12 17:57:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3239 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-09-12 17:57:09,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:57:09,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431932969] [2024-09-12 17:57:09,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431932969] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:57:09,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915580635] [2024-09-12 17:57:09,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:09,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:09,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:57:09,539 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:57:09,539 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-09-12 17:57:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:09,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-12 17:57:09,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:57:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3239 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-09-12 17:57:09,686 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:57:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3239 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-09-12 17:57:09,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915580635] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:57:09,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:57:09,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31 [2024-09-12 17:57:09,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123732383] [2024-09-12 17:57:09,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:57:09,934 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-12 17:57:09,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:57:09,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-12 17:57:09,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=789, Unknown=0, NotChecked=0, Total=992 [2024-09-12 17:57:09,935 INFO L87 Difference]: Start difference. First operand 4696 states and 6709 transitions. Second operand has 32 states, 31 states have (on average 5.548387096774194) internal successors, (172), 32 states have internal predecessors, (172), 16 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (87), 16 states have call predecessors, (87), 16 states have call successors, (87) [2024-09-12 17:57:11,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:57:11,677 INFO L93 Difference]: Finished difference Result 6848 states and 9877 transitions. [2024-09-12 17:57:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-12 17:57:11,678 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.548387096774194) internal successors, (172), 32 states have internal predecessors, (172), 16 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (87), 16 states have call predecessors, (87), 16 states have call successors, (87) Word has length 282 [2024-09-12 17:57:11,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:57:11,693 INFO L225 Difference]: With dead ends: 6848 [2024-09-12 17:57:11,693 INFO L226 Difference]: Without dead ends: 6847 [2024-09-12 17:57:11,694 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 630 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=203, Invalid=789, Unknown=0, NotChecked=0, Total=992 [2024-09-12 17:57:11,695 INFO L434 NwaCegarLoop]: 58 mSDtfsCounter, 84 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:57:11,695 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 567 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:57:11,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6847 states. [2024-09-12 17:57:13,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6847 to 6040. [2024-09-12 17:57:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6040 states, 3818 states have (on average 1.1238868517548455) internal successors, (4291), 3870 states have internal predecessors, (4291), 2180 states have call successors, (2180), 40 states have call predecessors, (2180), 39 states have return successors, (2179), 2129 states have call predecessors, (2179), 2179 states have call successors, (2179) [2024-09-12 17:57:13,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6040 states to 6040 states and 8650 transitions. [2024-09-12 17:57:13,028 INFO L78 Accepts]: Start accepts. Automaton has 6040 states and 8650 transitions. Word has length 282 [2024-09-12 17:57:13,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:57:13,028 INFO L474 AbstractCegarLoop]: Abstraction has 6040 states and 8650 transitions. [2024-09-12 17:57:13,028 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.548387096774194) internal successors, (172), 32 states have internal predecessors, (172), 16 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (87), 16 states have call predecessors, (87), 16 states have call successors, (87) [2024-09-12 17:57:13,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:13,029 INFO L276 IsEmpty]: Start isEmpty. Operand 6040 states and 8650 transitions. [2024-09-12 17:57:13,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-09-12 17:57:13,037 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:57:13,037 INFO L216 NwaCegarLoop]: trace histogram [40, 40, 40, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:57:13,048 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-09-12 17:57:13,237 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2024-09-12 17:57:13,237 INFO L399 AbstractCegarLoop]: === Iteration 67 === Targeting mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:57:13,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:13,238 INFO L85 PathProgramCache]: Analyzing trace with hash -779817256, now seen corresponding path program 2 times [2024-09-12 17:57:13,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:57:13,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791098370] [2024-09-12 17:57:13,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:13,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:57:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:57:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:57:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,402 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:57:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,403 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:57:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:57:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:57:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:57:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,406 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:57:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:57:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,408 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:57:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:57:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:57:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,410 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:57:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,411 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:57:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,412 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-09-12 17:57:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,413 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:57:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:57:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,415 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:57:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,415 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-09-12 17:57:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-09-12 17:57:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-09-12 17:57:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,418 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:57:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,419 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-12 17:57:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-09-12 17:57:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-09-12 17:57:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-09-12 17:57:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-09-12 17:57:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,423 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-09-12 17:57:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-09-12 17:57:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,425 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-09-12 17:57:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,425 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-09-12 17:57:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,426 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-09-12 17:57:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,427 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-09-12 17:57:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,428 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-09-12 17:57:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,429 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-09-12 17:57:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,429 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-09-12 17:57:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-09-12 17:57:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,431 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-09-12 17:57:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-09-12 17:57:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,433 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-09-12 17:57:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,434 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-12 17:57:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3360 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-09-12 17:57:13,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:57:13,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791098370] [2024-09-12 17:57:13,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791098370] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:57:13,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908700754] [2024-09-12 17:57:13,435 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:57:13,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:13,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:57:13,437 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:57:13,438 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-09-12 17:57:13,507 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 17:57:13,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:57:13,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-12 17:57:13,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:57:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3360 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-09-12 17:57:13,624 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:57:13,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3360 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-09-12 17:57:13,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908700754] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:57:13,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:57:13,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31 [2024-09-12 17:57:13,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728899284] [2024-09-12 17:57:13,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:57:13,876 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-12 17:57:13,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:57:13,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-12 17:57:13,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=769, Unknown=0, NotChecked=0, Total=992 [2024-09-12 17:57:13,877 INFO L87 Difference]: Start difference. First operand 6040 states and 8650 transitions. Second operand has 32 states, 31 states have (on average 5.935483870967742) internal successors, (184), 32 states have internal predecessors, (184), 16 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (87), 16 states have call predecessors, (87), 16 states have call successors, (87) [2024-09-12 17:57:15,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:57:15,522 INFO L93 Difference]: Finished difference Result 6614 states and 9513 transitions. [2024-09-12 17:57:15,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-12 17:57:15,523 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.935483870967742) internal successors, (184), 32 states have internal predecessors, (184), 16 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (87), 16 states have call predecessors, (87), 16 states have call successors, (87) Word has length 290 [2024-09-12 17:57:15,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:57:15,541 INFO L225 Difference]: With dead ends: 6614 [2024-09-12 17:57:15,541 INFO L226 Difference]: Without dead ends: 6613 [2024-09-12 17:57:15,543 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 676 GetRequests, 646 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=223, Invalid=769, Unknown=0, NotChecked=0, Total=992 [2024-09-12 17:57:15,543 INFO L434 NwaCegarLoop]: 63 mSDtfsCounter, 26 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:57:15,543 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 854 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:57:15,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6613 states. [2024-09-12 17:57:16,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6613 to 6444. [2024-09-12 17:57:16,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6444 states, 4086 states have (on average 1.1248164464023496) internal successors, (4596), 4139 states have internal predecessors, (4596), 2316 states have call successors, (2316), 40 states have call predecessors, (2316), 39 states have return successors, (2315), 2264 states have call predecessors, (2315), 2315 states have call successors, (2315) [2024-09-12 17:57:16,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6444 states to 6444 states and 9227 transitions. [2024-09-12 17:57:16,970 INFO L78 Accepts]: Start accepts. Automaton has 6444 states and 9227 transitions. Word has length 290 [2024-09-12 17:57:16,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:57:16,970 INFO L474 AbstractCegarLoop]: Abstraction has 6444 states and 9227 transitions. [2024-09-12 17:57:16,970 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.935483870967742) internal successors, (184), 32 states have internal predecessors, (184), 16 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (87), 16 states have call predecessors, (87), 16 states have call successors, (87) [2024-09-12 17:57:16,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:16,971 INFO L276 IsEmpty]: Start isEmpty. Operand 6444 states and 9227 transitions. [2024-09-12 17:57:16,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-09-12 17:57:16,978 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:57:16,978 INFO L216 NwaCegarLoop]: trace histogram [42, 42, 42, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:57:16,990 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-09-12 17:57:17,178 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2024-09-12 17:57:17,179 INFO L399 AbstractCegarLoop]: === Iteration 68 === Targeting mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:57:17,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:17,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1577726383, now seen corresponding path program 1 times [2024-09-12 17:57:17,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:57:17,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672163905] [2024-09-12 17:57:17,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:17,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:57:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:57:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:57:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:57:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,441 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:57:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:57:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,443 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:57:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,443 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:57:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,444 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:57:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:57:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,446 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:57:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,446 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:57:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,447 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:57:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,448 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:57:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,449 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:57:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,449 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-09-12 17:57:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:57:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,451 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 17:57:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,452 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-09-12 17:57:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,453 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-09-12 17:57:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,454 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-09-12 17:57:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,455 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-09-12 17:57:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,456 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 17:57:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,457 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:57:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,457 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-12 17:57:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,458 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-09-12 17:57:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,459 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-09-12 17:57:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,460 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-09-12 17:57:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,461 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-09-12 17:57:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,462 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-09-12 17:57:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,462 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-09-12 17:57:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,463 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-09-12 17:57:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,464 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-09-12 17:57:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,465 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-09-12 17:57:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,466 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-09-12 17:57:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,467 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-09-12 17:57:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,468 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-09-12 17:57:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,469 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-09-12 17:57:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,469 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-09-12 17:57:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,470 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-09-12 17:57:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,471 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-09-12 17:57:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,472 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-09-12 17:57:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,473 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-12 17:57:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,474 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-09-12 17:57:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3573 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-09-12 17:57:17,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:57:17,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672163905] [2024-09-12 17:57:17,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672163905] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:57:17,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563178730] [2024-09-12 17:57:17,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:17,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:17,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:57:17,479 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:57:17,480 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-09-12 17:57:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:17,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-12 17:57:17,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:57:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3573 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-09-12 17:57:17,691 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:57:18,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3573 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-09-12 17:57:18,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563178730] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:57:18,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:57:18,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 43 [2024-09-12 17:57:18,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943824915] [2024-09-12 17:57:18,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:57:18,044 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-09-12 17:57:18,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:57:18,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-09-12 17:57:18,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=343, Invalid=1549, Unknown=0, NotChecked=0, Total=1892 [2024-09-12 17:57:18,045 INFO L87 Difference]: Start difference. First operand 6444 states and 9227 transitions. Second operand has 44 states, 43 states have (on average 4.046511627906977) internal successors, (174), 44 states have internal predecessors, (174), 22 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (91), 22 states have call predecessors, (91), 22 states have call successors, (91) [2024-09-12 17:57:19,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:57:19,933 INFO L93 Difference]: Finished difference Result 7553 states and 10896 transitions. [2024-09-12 17:57:19,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-09-12 17:57:19,934 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 4.046511627906977) internal successors, (174), 44 states have internal predecessors, (174), 22 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (91), 22 states have call predecessors, (91), 22 states have call successors, (91) Word has length 295 [2024-09-12 17:57:19,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:57:19,954 INFO L225 Difference]: With dead ends: 7553 [2024-09-12 17:57:19,955 INFO L226 Difference]: Without dead ends: 7551 [2024-09-12 17:57:19,958 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 654 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=343, Invalid=1549, Unknown=0, NotChecked=0, Total=1892 [2024-09-12 17:57:19,958 INFO L434 NwaCegarLoop]: 61 mSDtfsCounter, 29 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:57:19,959 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 757 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:57:19,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7551 states. [2024-09-12 17:57:21,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7551 to 7031. [2024-09-12 17:57:21,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7031 states, 4467 states have (on average 1.124916051040967) internal successors, (5025), 4522 states have internal predecessors, (5025), 2522 states have call successors, (2522), 40 states have call predecessors, (2522), 39 states have return successors, (2521), 2468 states have call predecessors, (2521), 2521 states have call successors, (2521) [2024-09-12 17:57:21,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7031 states to 7031 states and 10068 transitions. [2024-09-12 17:57:21,590 INFO L78 Accepts]: Start accepts. Automaton has 7031 states and 10068 transitions. Word has length 295 [2024-09-12 17:57:21,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:57:21,590 INFO L474 AbstractCegarLoop]: Abstraction has 7031 states and 10068 transitions. [2024-09-12 17:57:21,590 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 4.046511627906977) internal successors, (174), 44 states have internal predecessors, (174), 22 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (91), 22 states have call predecessors, (91), 22 states have call successors, (91) [2024-09-12 17:57:21,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:21,591 INFO L276 IsEmpty]: Start isEmpty. Operand 7031 states and 10068 transitions. [2024-09-12 17:57:21,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-09-12 17:57:21,597 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:57:21,598 INFO L216 NwaCegarLoop]: trace histogram [42, 42, 42, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:57:21,609 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-09-12 17:57:21,798 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2024-09-12 17:57:21,798 INFO L399 AbstractCegarLoop]: === Iteration 69 === Targeting mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:57:21,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:21,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1597132515, now seen corresponding path program 2 times [2024-09-12 17:57:21,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:57:21,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151380149] [2024-09-12 17:57:21,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:21,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:57:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,018 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:57:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,019 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:57:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,020 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:57:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,021 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:57:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,022 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:57:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,023 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:57:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,023 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:57:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-09-12 17:57:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,025 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-09-12 17:57:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,026 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-09-12 17:57:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,026 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-09-12 17:57:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,027 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-12 17:57:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-09-12 17:57:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,029 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:57:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,029 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-09-12 17:57:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,030 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:57:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,031 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:57:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,032 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:57:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,032 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-09-12 17:57:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,033 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-09-12 17:57:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-09-12 17:57:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,035 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:57:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,036 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-12 17:57:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,037 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-09-12 17:57:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,037 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-09-12 17:57:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-09-12 17:57:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,039 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-09-12 17:57:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-09-12 17:57:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-09-12 17:57:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-09-12 17:57:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,042 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-09-12 17:57:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,043 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-09-12 17:57:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,043 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-09-12 17:57:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,044 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-09-12 17:57:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,045 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-09-12 17:57:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-09-12 17:57:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-09-12 17:57:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,047 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-09-12 17:57:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-09-12 17:57:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,049 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-09-12 17:57:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,049 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-09-12 17:57:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-09-12 17:57:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,051 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-09-12 17:57:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3594 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-09-12 17:57:22,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:57:22,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151380149] [2024-09-12 17:57:22,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151380149] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:57:22,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132013534] [2024-09-12 17:57:22,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:57:22,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:22,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:57:22,053 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:57:22,054 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-09-12 17:57:22,115 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 17:57:22,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:57:22,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-12 17:57:22,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:57:22,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3594 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-09-12 17:57:22,230 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:57:22,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3594 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-09-12 17:57:22,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132013534] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:57:22,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:57:22,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 39 [2024-09-12 17:57:22,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367363760] [2024-09-12 17:57:22,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:57:22,541 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-09-12 17:57:22,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:57:22,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-09-12 17:57:22,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=1273, Unknown=0, NotChecked=0, Total=1560 [2024-09-12 17:57:22,542 INFO L87 Difference]: Start difference. First operand 7031 states and 10068 transitions. Second operand has 40 states, 39 states have (on average 4.717948717948718) internal successors, (184), 40 states have internal predecessors, (184), 20 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (91), 20 states have call predecessors, (91), 20 states have call successors, (91) [2024-09-12 17:57:24,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:57:24,896 INFO L93 Difference]: Finished difference Result 8238 states and 11873 transitions. [2024-09-12 17:57:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-12 17:57:24,897 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 4.717948717948718) internal successors, (184), 40 states have internal predecessors, (184), 20 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (91), 20 states have call predecessors, (91), 20 states have call successors, (91) Word has length 300 [2024-09-12 17:57:24,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:57:24,918 INFO L225 Difference]: With dead ends: 8238 [2024-09-12 17:57:24,918 INFO L226 Difference]: Without dead ends: 8236 [2024-09-12 17:57:24,921 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 666 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=287, Invalid=1273, Unknown=0, NotChecked=0, Total=1560 [2024-09-12 17:57:24,921 INFO L434 NwaCegarLoop]: 61 mSDtfsCounter, 21 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:57:24,921 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 955 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:57:24,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8236 states. [2024-09-12 17:57:26,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8236 to 6697. [2024-09-12 17:57:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6697 states, 4275 states have (on average 1.127017543859649) internal successors, (4818), 4326 states have internal predecessors, (4818), 2380 states have call successors, (2380), 40 states have call predecessors, (2380), 39 states have return successors, (2379), 2330 states have call predecessors, (2379), 2379 states have call successors, (2379) [2024-09-12 17:57:26,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6697 states to 6697 states and 9577 transitions. [2024-09-12 17:57:26,527 INFO L78 Accepts]: Start accepts. Automaton has 6697 states and 9577 transitions. Word has length 300 [2024-09-12 17:57:26,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:57:26,527 INFO L474 AbstractCegarLoop]: Abstraction has 6697 states and 9577 transitions. [2024-09-12 17:57:26,528 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 4.717948717948718) internal successors, (184), 40 states have internal predecessors, (184), 20 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (91), 20 states have call predecessors, (91), 20 states have call successors, (91) [2024-09-12 17:57:26,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:26,528 INFO L276 IsEmpty]: Start isEmpty. Operand 6697 states and 9577 transitions. [2024-09-12 17:57:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-09-12 17:57:26,535 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:57:26,536 INFO L216 NwaCegarLoop]: trace histogram [46, 46, 46, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:57:26,547 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-09-12 17:57:26,736 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,42 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:26,736 INFO L399 AbstractCegarLoop]: === Iteration 70 === Targeting mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:57:26,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:26,736 INFO L85 PathProgramCache]: Analyzing trace with hash -343591675, now seen corresponding path program 2 times [2024-09-12 17:57:26,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:57:26,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972108812] [2024-09-12 17:57:26,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:26,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:57:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,922 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:57:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,922 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:57:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,923 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:57:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:57:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,925 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:57:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,925 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:57:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:57:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,927 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:57:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:57:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:57:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:57:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:57:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:57:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-09-12 17:57:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,932 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:57:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-09-12 17:57:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:57:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:57:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,936 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:57:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-09-12 17:57:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-09-12 17:57:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 17:57:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:57:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-12 17:57:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-09-12 17:57:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,941 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-09-12 17:57:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-09-12 17:57:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,943 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-09-12 17:57:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-09-12 17:57:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-09-12 17:57:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-09-12 17:57:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-09-12 17:57:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-12 17:57:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-09-12 17:57:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,949 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-09-12 17:57:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-09-12 17:57:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 17:57:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-09-12 17:57:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-09-12 17:57:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,953 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-09-12 17:57:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-09-12 17:57:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,955 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-09-12 17:57:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,955 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-09-12 17:57:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,956 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-09-12 17:57:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,957 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-09-12 17:57:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,958 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-09-12 17:57:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-09-12 17:57:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4308 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-09-12 17:57:26,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:57:26,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972108812] [2024-09-12 17:57:26,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972108812] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:57:26,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748603781] [2024-09-12 17:57:26,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:57:26,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:26,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:57:26,961 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:57:26,962 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-09-12 17:57:27,027 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 17:57:27,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:57:27,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-12 17:57:27,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:57:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4308 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-09-12 17:57:27,130 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:57:27,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4308 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-09-12 17:57:27,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748603781] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:57:27,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:57:27,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 35 [2024-09-12 17:57:27,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181774306] [2024-09-12 17:57:27,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:57:27,424 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-12 17:57:27,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:57:27,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-12 17:57:27,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=1013, Unknown=0, NotChecked=0, Total=1260 [2024-09-12 17:57:27,425 INFO L87 Difference]: Start difference. First operand 6697 states and 9577 transitions. Second operand has 36 states, 35 states have (on average 5.6571428571428575) internal successors, (198), 36 states have internal predecessors, (198), 18 states have call successors, (100), 1 states have call predecessors, (100), 1 states have return successors, (99), 18 states have call predecessors, (99), 18 states have call successors, (99) [2024-09-12 17:57:30,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:57:30,526 INFO L93 Difference]: Finished difference Result 11617 states and 16775 transitions. [2024-09-12 17:57:30,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-12 17:57:30,526 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 5.6571428571428575) internal successors, (198), 36 states have internal predecessors, (198), 18 states have call successors, (100), 1 states have call predecessors, (100), 1 states have return successors, (99), 18 states have call predecessors, (99), 18 states have call successors, (99) Word has length 325 [2024-09-12 17:57:30,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:57:30,559 INFO L225 Difference]: With dead ends: 11617 [2024-09-12 17:57:30,560 INFO L226 Difference]: Without dead ends: 11616 [2024-09-12 17:57:30,563 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 726 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=247, Invalid=1013, Unknown=0, NotChecked=0, Total=1260 [2024-09-12 17:57:30,563 INFO L434 NwaCegarLoop]: 59 mSDtfsCounter, 105 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:57:30,563 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 683 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:57:30,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11616 states. [2024-09-12 17:57:33,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11616 to 9426. [2024-09-12 17:57:33,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9426 states, 6011 states have (on average 1.122608550989852) internal successors, (6748), 6075 states have internal predecessors, (6748), 3373 states have call successors, (3373), 40 states have call predecessors, (3373), 39 states have return successors, (3372), 3310 states have call predecessors, (3372), 3372 states have call successors, (3372) [2024-09-12 17:57:33,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9426 states to 9426 states and 13493 transitions. [2024-09-12 17:57:33,223 INFO L78 Accepts]: Start accepts. Automaton has 9426 states and 13493 transitions. Word has length 325 [2024-09-12 17:57:33,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:57:33,223 INFO L474 AbstractCegarLoop]: Abstraction has 9426 states and 13493 transitions. [2024-09-12 17:57:33,223 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 5.6571428571428575) internal successors, (198), 36 states have internal predecessors, (198), 18 states have call successors, (100), 1 states have call predecessors, (100), 1 states have return successors, (99), 18 states have call predecessors, (99), 18 states have call successors, (99) [2024-09-12 17:57:33,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 9426 states and 13493 transitions. [2024-09-12 17:57:33,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-09-12 17:57:33,233 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:57:33,233 INFO L216 NwaCegarLoop]: trace histogram [46, 46, 46, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:57:33,244 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-09-12 17:57:33,433 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69,43 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:33,433 INFO L399 AbstractCegarLoop]: === Iteration 71 === Targeting mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:57:33,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:33,434 INFO L85 PathProgramCache]: Analyzing trace with hash -998207841, now seen corresponding path program 3 times [2024-09-12 17:57:33,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:57:33,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609327909] [2024-09-12 17:57:33,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:33,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:57:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,646 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:57:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,647 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:57:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,648 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:57:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,648 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:57:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,649 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:57:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,650 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:57:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,651 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:57:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,651 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:57:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,652 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:57:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,653 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:57:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,654 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:57:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,654 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:57:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,655 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:57:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,656 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-09-12 17:57:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,657 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:57:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,657 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-09-12 17:57:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,658 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:57:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,659 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:57:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,660 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:57:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,661 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-09-12 17:57:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,662 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-09-12 17:57:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,662 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 17:57:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,663 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:57:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,664 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-12 17:57:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-09-12 17:57:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-09-12 17:57:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,666 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-09-12 17:57:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,667 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-09-12 17:57:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,668 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-09-12 17:57:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,668 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-09-12 17:57:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,669 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-09-12 17:57:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,670 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-09-12 17:57:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,671 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-09-12 17:57:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,671 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-09-12 17:57:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-09-12 17:57:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,673 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-09-12 17:57:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-09-12 17:57:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-09-12 17:57:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-09-12 17:57:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,676 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-09-12 17:57:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,677 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-09-12 17:57:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,677 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-09-12 17:57:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-09-12 17:57:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-09-12 17:57:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-09-12 17:57:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-09-12 17:57:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-09-12 17:57:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:33,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4360 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-09-12 17:57:33,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:57:33,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609327909] [2024-09-12 17:57:33,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609327909] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:57:33,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331306340] [2024-09-12 17:57:33,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-12 17:57:33,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:33,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:57:33,684 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:57:33,684 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-09-12 17:57:33,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-12 17:57:33,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:57:33,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-12 17:57:33,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:57:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4360 backedges. 132 proven. 7 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2024-09-12 17:57:33,852 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:57:34,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4360 backedges. 132 proven. 7 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2024-09-12 17:57:34,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331306340] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:57:34,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:57:34,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 6, 6] total 25 [2024-09-12 17:57:34,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606967974] [2024-09-12 17:57:34,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:57:34,124 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-09-12 17:57:34,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:57:34,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-09-12 17:57:34,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2024-09-12 17:57:34,124 INFO L87 Difference]: Start difference. First operand 9426 states and 13493 transitions. Second operand has 26 states, 25 states have (on average 5.52) internal successors, (138), 25 states have internal predecessors, (138), 12 states have call successors, (65), 1 states have call predecessors, (65), 2 states have return successors, (65), 12 states have call predecessors, (65), 12 states have call successors, (65) [2024-09-12 17:57:37,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:57:37,054 INFO L93 Difference]: Finished difference Result 10102 states and 14508 transitions. [2024-09-12 17:57:37,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-12 17:57:37,055 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 5.52) internal successors, (138), 25 states have internal predecessors, (138), 12 states have call successors, (65), 1 states have call predecessors, (65), 2 states have return successors, (65), 12 states have call predecessors, (65), 12 states have call successors, (65) Word has length 328 [2024-09-12 17:57:37,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:57:37,081 INFO L225 Difference]: With dead ends: 10102 [2024-09-12 17:57:37,081 INFO L226 Difference]: Without dead ends: 10101 [2024-09-12 17:57:37,083 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 789 GetRequests, 742 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=301, Invalid=1861, Unknown=0, NotChecked=0, Total=2162 [2024-09-12 17:57:37,084 INFO L434 NwaCegarLoop]: 40 mSDtfsCounter, 20 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:57:37,084 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 623 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:57:37,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10101 states. [2024-09-12 17:57:39,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10101 to 8748. [2024-09-12 17:57:39,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8748 states, 5594 states have (on average 1.1188773686092242) internal successors, (6259), 5652 states have internal predecessors, (6259), 3113 states have call successors, (3113), 40 states have call predecessors, (3113), 39 states have return successors, (3112), 3055 states have call predecessors, (3112), 3112 states have call successors, (3112) [2024-09-12 17:57:39,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8748 states to 8748 states and 12484 transitions. [2024-09-12 17:57:39,311 INFO L78 Accepts]: Start accepts. Automaton has 8748 states and 12484 transitions. Word has length 328 [2024-09-12 17:57:39,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:57:39,312 INFO L474 AbstractCegarLoop]: Abstraction has 8748 states and 12484 transitions. [2024-09-12 17:57:39,312 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 5.52) internal successors, (138), 25 states have internal predecessors, (138), 12 states have call successors, (65), 1 states have call predecessors, (65), 2 states have return successors, (65), 12 states have call predecessors, (65), 12 states have call successors, (65) [2024-09-12 17:57:39,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand 8748 states and 12484 transitions. [2024-09-12 17:57:39,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-09-12 17:57:39,323 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:57:39,323 INFO L216 NwaCegarLoop]: trace histogram [48, 48, 48, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:57:39,334 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-09-12 17:57:39,523 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,44 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:39,523 INFO L399 AbstractCegarLoop]: === Iteration 72 === Targeting mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:57:39,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:39,524 INFO L85 PathProgramCache]: Analyzing trace with hash 986259602, now seen corresponding path program 3 times [2024-09-12 17:57:39,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:57:39,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541286297] [2024-09-12 17:57:39,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:39,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:57:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,793 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:57:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,794 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:57:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,795 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:57:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,796 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:57:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,796 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:57:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,797 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:57:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,798 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:57:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,799 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:57:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,800 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:57:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,800 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:57:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,801 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:57:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:57:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,803 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:57:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,804 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-09-12 17:57:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:57:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,806 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-09-12 17:57:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,806 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:57:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:57:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,808 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:57:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,809 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-09-12 17:57:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,810 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-09-12 17:57:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,811 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 17:57:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,812 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:57:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,813 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-12 17:57:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,813 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-09-12 17:57:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,814 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-09-12 17:57:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,815 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-09-12 17:57:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,816 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-09-12 17:57:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,817 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-09-12 17:57:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,818 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-09-12 17:57:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,819 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-09-12 17:57:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,819 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-09-12 17:57:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,820 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-09-12 17:57:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,821 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-09-12 17:57:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-09-12 17:57:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,823 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-09-12 17:57:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-09-12 17:57:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,825 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-09-12 17:57:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,826 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-09-12 17:57:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,826 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-09-12 17:57:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-09-12 17:57:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,828 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-09-12 17:57:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-09-12 17:57:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,831 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-09-12 17:57:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,831 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-09-12 17:57:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,832 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-09-12 17:57:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,833 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-09-12 17:57:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,834 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-09-12 17:57:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,835 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-09-12 17:57:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4690 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-09-12 17:57:39,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:57:39,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541286297] [2024-09-12 17:57:39,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541286297] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:57:39,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376814648] [2024-09-12 17:57:39,837 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-12 17:57:39,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:39,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:57:39,838 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:57:39,842 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-09-12 17:57:39,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-12 17:57:39,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:57:39,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-12 17:57:39,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:57:40,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4690 backedges. 138 proven. 11 refuted. 0 times theorem prover too weak. 4541 trivial. 0 not checked. [2024-09-12 17:57:40,062 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:57:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4690 backedges. 138 proven. 11 refuted. 0 times theorem prover too weak. 4541 trivial. 0 not checked. [2024-09-12 17:57:40,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376814648] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:57:40,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:57:40,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 6, 6] total 29 [2024-09-12 17:57:40,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195550809] [2024-09-12 17:57:40,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:57:40,330 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-09-12 17:57:40,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:57:40,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-09-12 17:57:40,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=732, Unknown=0, NotChecked=0, Total=870 [2024-09-12 17:57:40,331 INFO L87 Difference]: Start difference. First operand 8748 states and 12484 transitions. Second operand has 30 states, 29 states have (on average 4.758620689655173) internal successors, (138), 29 states have internal predecessors, (138), 14 states have call successors, (67), 1 states have call predecessors, (67), 2 states have return successors, (67), 14 states have call predecessors, (67), 14 states have call successors, (67) [2024-09-12 17:57:43,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:57:43,445 INFO L93 Difference]: Finished difference Result 10303 states and 14793 transitions. [2024-09-12 17:57:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-12 17:57:43,445 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 4.758620689655173) internal successors, (138), 29 states have internal predecessors, (138), 14 states have call successors, (67), 1 states have call predecessors, (67), 2 states have return successors, (67), 14 states have call predecessors, (67), 14 states have call successors, (67) Word has length 338 [2024-09-12 17:57:43,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:57:43,469 INFO L225 Difference]: With dead ends: 10303 [2024-09-12 17:57:43,469 INFO L226 Difference]: Without dead ends: 10302 [2024-09-12 17:57:43,471 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 821 GetRequests, 766 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=2573, Unknown=0, NotChecked=0, Total=2970 [2024-09-12 17:57:43,471 INFO L434 NwaCegarLoop]: 40 mSDtfsCounter, 28 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:57:43,471 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 686 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:57:43,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10302 states. [2024-09-12 17:57:44,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10302 to 4464. [2024-09-12 17:57:44,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4464 states, 2807 states have (on average 1.114000712504453) internal successors, (3127), 2883 states have internal predecessors, (3127), 1617 states have call successors, (1617), 40 states have call predecessors, (1617), 39 states have return successors, (1616), 1540 states have call predecessors, (1616), 1616 states have call successors, (1616) [2024-09-12 17:57:44,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4464 states to 4464 states and 6360 transitions. [2024-09-12 17:57:44,906 INFO L78 Accepts]: Start accepts. Automaton has 4464 states and 6360 transitions. Word has length 338 [2024-09-12 17:57:44,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:57:44,906 INFO L474 AbstractCegarLoop]: Abstraction has 4464 states and 6360 transitions. [2024-09-12 17:57:44,906 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 4.758620689655173) internal successors, (138), 29 states have internal predecessors, (138), 14 states have call successors, (67), 1 states have call predecessors, (67), 2 states have return successors, (67), 14 states have call predecessors, (67), 14 states have call successors, (67) [2024-09-12 17:57:44,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:44,907 INFO L276 IsEmpty]: Start isEmpty. Operand 4464 states and 6360 transitions. [2024-09-12 17:57:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-09-12 17:57:44,915 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:57:44,915 INFO L216 NwaCegarLoop]: trace histogram [52, 52, 52, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:57:44,929 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-09-12 17:57:45,115 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,45 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:45,115 INFO L399 AbstractCegarLoop]: === Iteration 73 === Targeting mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-09-12 17:57:45,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:45,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2033584890, now seen corresponding path program 3 times [2024-09-12 17:57:45,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:57:45,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227819965] [2024-09-12 17:57:45,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:57:45,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:57:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,343 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:57:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,344 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 17:57:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,345 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:57:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:57:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 17:57:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,347 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:57:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,348 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-09-12 17:57:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,349 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 17:57:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,349 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 17:57:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,350 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-09-12 17:57:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,351 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 17:57:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,352 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 17:57:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,353 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-12 17:57:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,354 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-09-12 17:57:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,354 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 17:57:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,355 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-09-12 17:57:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 17:57:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,357 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-09-12 17:57:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,357 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-09-12 17:57:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,358 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-09-12 17:57:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,359 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-09-12 17:57:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-09-12 17:57:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,361 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-09-12 17:57:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,361 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-09-12 17:57:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,362 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-09-12 17:57:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,363 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-09-12 17:57:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-09-12 17:57:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-09-12 17:57:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,365 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-09-12 17:57:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,366 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-09-12 17:57:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,367 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-09-12 17:57:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,368 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-09-12 17:57:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,369 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-09-12 17:57:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,370 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-09-12 17:57:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,371 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-09-12 17:57:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,371 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-09-12 17:57:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-09-12 17:57:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,373 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-09-12 17:57:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-09-12 17:57:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,375 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-09-12 17:57:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-09-12 17:57:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,377 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-09-12 17:57:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,377 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-09-12 17:57:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-09-12 17:57:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,379 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-09-12 17:57:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,380 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-09-12 17:57:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,381 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-09-12 17:57:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,381 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-09-12 17:57:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,382 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-09-12 17:57:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,383 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-09-12 17:57:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,384 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-09-12 17:57:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,385 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-09-12 17:57:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,385 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2024-09-12 17:57:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:57:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5540 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-09-12 17:57:45,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:57:45,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227819965] [2024-09-12 17:57:45,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227819965] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:57:45,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858078293] [2024-09-12 17:57:45,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-12 17:57:45,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:45,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:57:45,388 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:57:45,388 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-09-12 17:57:45,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-09-12 17:57:45,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:57:45,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-12 17:57:45,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:57:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5540 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 5474 trivial. 0 not checked. [2024-09-12 17:57:45,614 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:57:45,873 INFO L134 CoverageAnalysis]: Checked inductivity of 5540 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 5474 trivial. 0 not checked. [2024-09-12 17:57:45,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858078293] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:57:45,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:57:45,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 6, 6] total 24 [2024-09-12 17:57:45,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430005940] [2024-09-12 17:57:45,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:57:45,874 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-12 17:57:45,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:57:45,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-12 17:57:45,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2024-09-12 17:57:45,875 INFO L87 Difference]: Start difference. First operand 4464 states and 6360 transitions. Second operand has 25 states, 24 states have (on average 6.416666666666667) internal successors, (154), 25 states have internal predecessors, (154), 13 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (79), 13 states have call predecessors, (79), 13 states have call successors, (79) [2024-09-12 17:57:47,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:57:47,654 INFO L93 Difference]: Finished difference Result 4998 states and 7125 transitions. [2024-09-12 17:57:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-12 17:57:47,655 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.416666666666667) internal successors, (154), 25 states have internal predecessors, (154), 13 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (79), 13 states have call predecessors, (79), 13 states have call successors, (79) Word has length 368 [2024-09-12 17:57:47,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:57:47,660 INFO L225 Difference]: With dead ends: 4998 [2024-09-12 17:57:47,660 INFO L226 Difference]: Without dead ends: 0 [2024-09-12 17:57:47,672 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 882 GetRequests, 833 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=345, Invalid=1817, Unknown=0, NotChecked=0, Total=2162 [2024-09-12 17:57:47,672 INFO L434 NwaCegarLoop]: 54 mSDtfsCounter, 84 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:57:47,672 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 512 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:57:47,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-12 17:57:47,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-12 17:57:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-12 17:57:47,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-12 17:57:47,674 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 368 [2024-09-12 17:57:47,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:57:47,674 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-12 17:57:47,674 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.416666666666667) internal successors, (154), 25 states have internal predecessors, (154), 13 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (79), 13 states have call predecessors, (79), 13 states have call successors, (79) [2024-09-12 17:57:47,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:57:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-12 17:57:47,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-12 17:57:47,677 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 21 remaining) [2024-09-12 17:57:47,677 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 21 remaining) [2024-09-12 17:57:47,677 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 21 remaining) [2024-09-12 17:57:47,677 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 21 remaining) [2024-09-12 17:57:47,677 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 21 remaining) [2024-09-12 17:57:47,678 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 21 remaining) [2024-09-12 17:57:47,678 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 21 remaining) [2024-09-12 17:57:47,678 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 21 remaining) [2024-09-12 17:57:47,678 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 21 remaining) [2024-09-12 17:57:47,678 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 21 remaining) [2024-09-12 17:57:47,678 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 21 remaining) [2024-09-12 17:57:47,678 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 21 remaining) [2024-09-12 17:57:47,678 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 21 remaining) [2024-09-12 17:57:47,678 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 21 remaining) [2024-09-12 17:57:47,678 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 21 remaining) [2024-09-12 17:57:47,678 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 21 remaining) [2024-09-12 17:57:47,679 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 21 remaining) [2024-09-12 17:57:47,679 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 21 remaining) [2024-09-12 17:57:47,679 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 21 remaining) [2024-09-12 17:57:47,679 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 21 remaining) [2024-09-12 17:57:47,679 INFO L785 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 21 remaining) [2024-09-12 17:57:47,691 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-09-12 17:57:47,879 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,46 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:57:47,882 INFO L408 BasicCegarLoop]: Path program histogram: [4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:57:47,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.