./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c --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/recursive-simple/fibo_2calls_20-2.c -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 e9f62e9366253d4fa7ecb8459a59d71535ca8498509abd809bca70a443281519 --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 19:52:46,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 19:52:46,992 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-12 19:52:46,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 19:52:46,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 19:52:47,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 19:52:47,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 19:52:47,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 19:52:47,018 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 19:52:47,021 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 19:52:47,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 19:52:47,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 19:52:47,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 19:52:47,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 19:52:47,022 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 19:52:47,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 19:52:47,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 19:52:47,023 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 19:52:47,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 19:52:47,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 19:52:47,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 19:52:47,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 19:52:47,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 19:52:47,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 19:52:47,025 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 19:52:47,025 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 19:52:47,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 19:52:47,025 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 19:52:47,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 19:52:47,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 19:52:47,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 19:52:47,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 19:52:47,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 19:52:47,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 19:52:47,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 19:52:47,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 19:52:47,027 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 19:52:47,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 19:52:47,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 19:52:47,028 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 19:52:47,028 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 19:52:47,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 19:52:47,029 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9f62e9366253d4fa7ecb8459a59d71535ca8498509abd809bca70a443281519 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 19:52:47,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 19:52:47,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 19:52:47,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 19:52:47,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 19:52:47,320 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 19:52:47,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2024-09-12 19:52:48,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 19:52:48,756 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 19:52:48,756 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2024-09-12 19:52:48,762 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/2b2ea7c3f/e3a9f2dfdf4b4a358c12a76c2346ad36/FLAG7a270ce64 [2024-09-12 19:52:48,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/2b2ea7c3f/e3a9f2dfdf4b4a358c12a76c2346ad36 [2024-09-12 19:52:48,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 19:52:48,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-12 19:52:48,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 19:52:48,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 19:52:48,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 19:52:48,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:48,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2622b7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48, skipping insertion in model container [2024-09-12 19:52:48,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:48,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 19:52:48,909 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/recursive-simple/fibo_2calls_20-2.c[951,964] [2024-09-12 19:52:48,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 19:52:48,921 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 19:52:48,932 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/recursive-simple/fibo_2calls_20-2.c[951,964] [2024-09-12 19:52:48,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 19:52:48,943 INFO L204 MainTranslator]: Completed translation [2024-09-12 19:52:48,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48 WrapperNode [2024-09-12 19:52:48,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 19:52:48,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-12 19:52:48,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-12 19:52:48,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-12 19:52:48,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:48,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:48,960 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-12 19:52:48,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-12 19:52:48,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 19:52:48,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 19:52:48,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 19:52:48,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:48,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:48,973 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:48,990 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 19:52:48,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:48,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:48,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:48,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:48,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:48,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:48,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 19:52:49,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 19:52:49,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 19:52:49,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 19:52:49,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48" (1/1) ... [2024-09-12 19:52:49,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 19:52:49,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:49,030 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 19:52:49,033 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 19:52:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 19:52:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 19:52:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 19:52:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 19:52:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2024-09-12 19:52:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2024-09-12 19:52:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2024-09-12 19:52:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2024-09-12 19:52:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 19:52:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 19:52:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 19:52:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 19:52:49,121 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 19:52:49,123 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 19:52:49,299 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-12 19:52:49,299 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 19:52:49,318 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 19:52:49,319 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 19:52:49,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 07:52:49 BoogieIcfgContainer [2024-09-12 19:52:49,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 19:52:49,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-12 19:52:49,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-12 19:52:49,323 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-12 19:52:49,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.09 07:52:48" (1/3) ... [2024-09-12 19:52:49,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ce886e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 07:52:49, skipping insertion in model container [2024-09-12 19:52:49,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:48" (2/3) ... [2024-09-12 19:52:49,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ce886e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 07:52:49, skipping insertion in model container [2024-09-12 19:52:49,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 07:52:49" (3/3) ... [2024-09-12 19:52:49,325 INFO L112 eAbstractionObserver]: Analyzing ICFG fibo_2calls_20-2.c [2024-09-12 19:52:49,337 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-12 19:52:49,337 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2024-09-12 19:52:49,386 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-12 19:52:49,393 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;@2cb065cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-12 19:52:49,393 INFO L337 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-09-12 19:52:49,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 44 states have internal predecessors, (49), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-09-12 19:52:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-09-12 19:52:49,404 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:49,404 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:49,405 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting fibo1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:49,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:49,410 INFO L85 PathProgramCache]: Analyzing trace with hash -373964005, now seen corresponding path program 1 times [2024-09-12 19:52:49,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:49,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384469668] [2024-09-12 19:52:49,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:49,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:49,563 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:49,572 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 19:52:49,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:49,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384469668] [2024-09-12 19:52:49,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384469668] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:49,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:49,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 19:52:49,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229925665] [2024-09-12 19:52:49,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:49,578 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 19:52:49,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:49,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 19:52:49,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 19:52:49,598 INFO L87 Difference]: Start difference. First operand has 56 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 44 states have internal predecessors, (49), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (3), 1 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 19:52:49,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:49,646 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2024-09-12 19:52:49,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 19:52:49,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (3), 1 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 10 [2024-09-12 19:52:49,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:49,659 INFO L225 Difference]: With dead ends: 62 [2024-09-12 19:52:49,659 INFO L226 Difference]: Without dead ends: 52 [2024-09-12 19:52:49,662 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 19:52:49,665 INFO L434 NwaCegarLoop]: 54 mSDtfsCounter, 11 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:49,666 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 96 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:52:49,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-09-12 19:52:49,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2024-09-12 19:52:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 39 states have internal predecessors, (43), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-09-12 19:52:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2024-09-12 19:52:49,704 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 10 [2024-09-12 19:52:49,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:49,706 INFO L474 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2024-09-12 19:52:49,706 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (3), 1 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 19:52:49,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:49,707 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2024-09-12 19:52:49,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-09-12 19:52:49,708 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:49,708 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:49,708 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-12 19:52:49,709 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting fibo1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:49,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:49,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1292017820, now seen corresponding path program 1 times [2024-09-12 19:52:49,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:49,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673100743] [2024-09-12 19:52:49,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:49,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:49,796 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:49,804 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 19:52:49,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:49,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673100743] [2024-09-12 19:52:49,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673100743] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:49,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:49,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 19:52:49,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800228697] [2024-09-12 19:52:49,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:49,808 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:49,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:49,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:49,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:49,811 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 19:52:49,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:49,900 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2024-09-12 19:52:49,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:49,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 11 [2024-09-12 19:52:49,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:49,902 INFO L225 Difference]: With dead ends: 71 [2024-09-12 19:52:49,902 INFO L226 Difference]: Without dead ends: 69 [2024-09-12 19:52:49,903 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 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 19:52:49,904 INFO L434 NwaCegarLoop]: 46 mSDtfsCounter, 29 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:49,904 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 181 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:52:49,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-09-12 19:52:49,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2024-09-12 19:52:49,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 51 states have internal predecessors, (59), 9 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-09-12 19:52:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 76 transitions. [2024-09-12 19:52:49,926 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 76 transitions. Word has length 11 [2024-09-12 19:52:49,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:49,926 INFO L474 AbstractCegarLoop]: Abstraction has 65 states and 76 transitions. [2024-09-12 19:52:49,926 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 19:52:49,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2024-09-12 19:52:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-09-12 19:52:49,927 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:49,927 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:49,927 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-12 19:52:49,927 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:49,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:49,928 INFO L85 PathProgramCache]: Analyzing trace with hash 371226026, now seen corresponding path program 1 times [2024-09-12 19:52:49,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:49,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036149132] [2024-09-12 19:52:49,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:49,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,009 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,016 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,061 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 19:52:50,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:50,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036149132] [2024-09-12 19:52:50,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036149132] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:50,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:50,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 19:52:50,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139566249] [2024-09-12 19:52:50,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:50,062 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:50,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:50,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:50,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:50,064 INFO L87 Difference]: Start difference. First operand 65 states and 76 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-12 19:52:50,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:50,144 INFO L93 Difference]: Finished difference Result 77 states and 89 transitions. [2024-09-12 19:52:50,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:50,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2024-09-12 19:52:50,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:50,146 INFO L225 Difference]: With dead ends: 77 [2024-09-12 19:52:50,146 INFO L226 Difference]: Without dead ends: 71 [2024-09-12 19:52:50,146 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:50,147 INFO L434 NwaCegarLoop]: 44 mSDtfsCounter, 16 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:50,147 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 152 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:52:50,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-09-12 19:52:50,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2024-09-12 19:52:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 51 states have internal predecessors, (58), 9 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-09-12 19:52:50,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2024-09-12 19:52:50,160 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 13 [2024-09-12 19:52:50,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:50,160 INFO L474 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2024-09-12 19:52:50,161 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-12 19:52:50,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2024-09-12 19:52:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-09-12 19:52:50,162 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:50,162 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:50,162 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-12 19:52:50,162 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:50,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:50,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1008204599, now seen corresponding path program 1 times [2024-09-12 19:52:50,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:50,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897708709] [2024-09-12 19:52:50,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:50,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,193 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,202 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,238 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 19:52:50,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:50,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897708709] [2024-09-12 19:52:50,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897708709] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:50,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:50,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 19:52:50,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069612663] [2024-09-12 19:52:50,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:50,240 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:50,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:50,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:50,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:50,241 INFO L87 Difference]: Start difference. First operand 65 states and 75 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-12 19:52:50,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:50,300 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2024-09-12 19:52:50,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:50,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-09-12 19:52:50,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:50,301 INFO L225 Difference]: With dead ends: 73 [2024-09-12 19:52:50,301 INFO L226 Difference]: Without dead ends: 67 [2024-09-12 19:52:50,302 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:50,303 INFO L434 NwaCegarLoop]: 43 mSDtfsCounter, 15 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:50,303 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 148 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:52:50,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-09-12 19:52:50,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2024-09-12 19:52:50,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 51 states have internal predecessors, (57), 9 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-09-12 19:52:50,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2024-09-12 19:52:50,320 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 14 [2024-09-12 19:52:50,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:50,320 INFO L474 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2024-09-12 19:52:50,320 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-12 19:52:50,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:50,321 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2024-09-12 19:52:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-09-12 19:52:50,321 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:50,321 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:50,321 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-12 19:52:50,322 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:50,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:50,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1677154791, now seen corresponding path program 1 times [2024-09-12 19:52:50,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:50,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264640041] [2024-09-12 19:52:50,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:50,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,342 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,346 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 19:52:50,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:50,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264640041] [2024-09-12 19:52:50,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264640041] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:50,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:50,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 19:52:50,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129226583] [2024-09-12 19:52:50,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:50,347 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 19:52:50,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:50,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 19:52:50,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 19:52:50,348 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 19:52:50,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:50,367 INFO L93 Difference]: Finished difference Result 67 states and 79 transitions. [2024-09-12 19:52:50,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 19:52:50,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-09-12 19:52:50,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:50,375 INFO L225 Difference]: With dead ends: 67 [2024-09-12 19:52:50,375 INFO L226 Difference]: Without dead ends: 65 [2024-09-12 19:52:50,375 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 19:52:50,376 INFO L434 NwaCegarLoop]: 48 mSDtfsCounter, 11 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:50,376 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 84 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:52:50,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-09-12 19:52:50,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2024-09-12 19:52:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 49 states have internal predecessors, (55), 9 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-09-12 19:52:50,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2024-09-12 19:52:50,389 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 16 [2024-09-12 19:52:50,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:50,391 INFO L474 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2024-09-12 19:52:50,392 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 19:52:50,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:50,392 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2024-09-12 19:52:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-09-12 19:52:50,393 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:50,393 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 19:52:50,393 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-12 19:52:50,393 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:50,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:50,393 INFO L85 PathProgramCache]: Analyzing trace with hash -452190908, now seen corresponding path program 1 times [2024-09-12 19:52:50,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:50,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184711697] [2024-09-12 19:52:50,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:50,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,453 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 19:52:50,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:50,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184711697] [2024-09-12 19:52:50,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184711697] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:50,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:50,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-12 19:52:50,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391279027] [2024-09-12 19:52:50,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:50,458 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 19:52:50,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:50,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 19:52:50,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-09-12 19:52:50,458 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 19:52:50,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:50,582 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2024-09-12 19:52:50,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 19:52:50,583 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 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 19:52:50,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:50,584 INFO L225 Difference]: With dead ends: 67 [2024-09-12 19:52:50,584 INFO L226 Difference]: Without dead ends: 63 [2024-09-12 19:52:50,584 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-09-12 19:52:50,585 INFO L434 NwaCegarLoop]: 28 mSDtfsCounter, 54 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:50,585 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 129 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:52:50,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-09-12 19:52:50,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2024-09-12 19:52:50,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 45 states have internal predecessors, (51), 9 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-09-12 19:52:50,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions. [2024-09-12 19:52:50,595 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 17 [2024-09-12 19:52:50,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:50,596 INFO L474 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions. [2024-09-12 19:52:50,596 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 19:52:50,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:50,596 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2024-09-12 19:52:50,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-09-12 19:52:50,597 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:50,597 INFO L216 NwaCegarLoop]: trace histogram [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 19:52:50,597 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-12 19:52:50,597 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:50,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:50,597 INFO L85 PathProgramCache]: Analyzing trace with hash 2127521631, now seen corresponding path program 1 times [2024-09-12 19:52:50,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:50,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875037058] [2024-09-12 19:52:50,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:50,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,662 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 19:52:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,684 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-09-12 19:52:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-12 19:52:50,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:50,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875037058] [2024-09-12 19:52:50,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875037058] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:50,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:50,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 19:52:50,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161518285] [2024-09-12 19:52:50,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:50,705 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:50,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:50,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:50,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:50,707 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 19:52:50,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:50,758 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2024-09-12 19:52:50,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:50,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2024-09-12 19:52:50,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:50,760 INFO L225 Difference]: With dead ends: 83 [2024-09-12 19:52:50,760 INFO L226 Difference]: Without dead ends: 81 [2024-09-12 19:52:50,761 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:50,761 INFO L434 NwaCegarLoop]: 45 mSDtfsCounter, 3 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:50,764 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 172 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:52:50,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-09-12 19:52:50,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 75. [2024-09-12 19:52:50,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 57 states have internal predecessors, (64), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (16), 12 states have call predecessors, (16), 10 states have call successors, (16) [2024-09-12 19:52:50,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 91 transitions. [2024-09-12 19:52:50,786 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 91 transitions. Word has length 26 [2024-09-12 19:52:50,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:50,787 INFO L474 AbstractCegarLoop]: Abstraction has 75 states and 91 transitions. [2024-09-12 19:52:50,787 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 19:52:50,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 91 transitions. [2024-09-12 19:52:50,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-09-12 19:52:50,789 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:50,790 INFO L216 NwaCegarLoop]: trace histogram [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 19:52:50,790 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-12 19:52:50,790 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:50,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:50,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1539493548, now seen corresponding path program 1 times [2024-09-12 19:52:50,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:50,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9501703] [2024-09-12 19:52:50,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:50,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,846 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,849 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 19:52:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,865 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-09-12 19:52:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-12 19:52:50,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:50,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9501703] [2024-09-12 19:52:50,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9501703] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:50,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060468312] [2024-09-12 19:52:50,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:50,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:50,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:50,887 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 19:52:50,888 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 19:52:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-12 19:52:50,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 19:52:51,011 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 19:52:51,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060468312] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:51,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 19:52:51,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2024-09-12 19:52:51,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125547091] [2024-09-12 19:52:51,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:51,011 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 19:52:51,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:51,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 19:52:51,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-09-12 19:52:51,012 INFO L87 Difference]: Start difference. First operand 75 states and 91 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-12 19:52:51,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:51,115 INFO L93 Difference]: Finished difference Result 131 states and 159 transitions. [2024-09-12 19:52:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 19:52:51,116 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 27 [2024-09-12 19:52:51,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:51,117 INFO L225 Difference]: With dead ends: 131 [2024-09-12 19:52:51,117 INFO L226 Difference]: Without dead ends: 72 [2024-09-12 19:52:51,117 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-09-12 19:52:51,118 INFO L434 NwaCegarLoop]: 35 mSDtfsCounter, 39 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:51,118 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 184 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:52:51,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-09-12 19:52:51,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2024-09-12 19:52:51,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 52 states have internal predecessors, (58), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (12), 10 states have call predecessors, (12), 9 states have call successors, (12) [2024-09-12 19:52:51,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2024-09-12 19:52:51,133 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 27 [2024-09-12 19:52:51,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:51,133 INFO L474 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2024-09-12 19:52:51,133 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-12 19:52:51,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:51,133 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2024-09-12 19:52:51,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-09-12 19:52:51,134 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:51,134 INFO L216 NwaCegarLoop]: trace histogram [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 19:52:51,147 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 19:52:51,338 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:51,339 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:51,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:51,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1428973281, now seen corresponding path program 1 times [2024-09-12 19:52:51,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:51,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043038390] [2024-09-12 19:52:51,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:51,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,393 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,395 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 19:52:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 19:52:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,429 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-12 19:52:51,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:51,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043038390] [2024-09-12 19:52:51,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043038390] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:51,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:51,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 19:52:51,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754318222] [2024-09-12 19:52:51,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:51,430 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:51,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:51,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:51,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:51,430 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 19:52:51,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:51,461 INFO L93 Difference]: Finished difference Result 92 states and 119 transitions. [2024-09-12 19:52:51,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:51,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-09-12 19:52:51,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:51,463 INFO L225 Difference]: With dead ends: 92 [2024-09-12 19:52:51,463 INFO L226 Difference]: Without dead ends: 90 [2024-09-12 19:52:51,464 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:51,464 INFO L434 NwaCegarLoop]: 44 mSDtfsCounter, 4 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:51,464 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 132 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:52:51,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-09-12 19:52:51,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 81. [2024-09-12 19:52:51,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 62 states have internal predecessors, (68), 12 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (22), 13 states have call predecessors, (22), 11 states have call successors, (22) [2024-09-12 19:52:51,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 102 transitions. [2024-09-12 19:52:51,479 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 102 transitions. Word has length 28 [2024-09-12 19:52:51,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:51,480 INFO L474 AbstractCegarLoop]: Abstraction has 81 states and 102 transitions. [2024-09-12 19:52:51,480 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 19:52:51,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:51,481 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2024-09-12 19:52:51,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-09-12 19:52:51,483 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:51,484 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, 1, 1, 1, 1, 1] [2024-09-12 19:52:51,484 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-12 19:52:51,484 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:51,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:51,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2001771443, now seen corresponding path program 1 times [2024-09-12 19:52:51,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:51,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542323460] [2024-09-12 19:52:51,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:51,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,512 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,514 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-12 19:52:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,523 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 19:52:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-12 19:52:51,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:51,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542323460] [2024-09-12 19:52:51,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542323460] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:51,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:51,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 19:52:51,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070996424] [2024-09-12 19:52:51,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:51,530 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:51,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:51,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:51,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:51,531 INFO L87 Difference]: Start difference. First operand 81 states and 102 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 19:52:51,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:51,566 INFO L93 Difference]: Finished difference Result 95 states and 121 transitions. [2024-09-12 19:52:51,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:51,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-09-12 19:52:51,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:51,568 INFO L225 Difference]: With dead ends: 95 [2024-09-12 19:52:51,568 INFO L226 Difference]: Without dead ends: 93 [2024-09-12 19:52:51,568 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:51,568 INFO L434 NwaCegarLoop]: 45 mSDtfsCounter, 3 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:51,570 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 172 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:52:51,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-09-12 19:52:51,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2024-09-12 19:52:51,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 65 states have (on average 1.1538461538461537) internal successors, (75), 69 states have internal predecessors, (75), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (26), 15 states have call predecessors, (26), 12 states have call successors, (26) [2024-09-12 19:52:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 114 transitions. [2024-09-12 19:52:51,584 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 114 transitions. Word has length 32 [2024-09-12 19:52:51,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:51,584 INFO L474 AbstractCegarLoop]: Abstraction has 90 states and 114 transitions. [2024-09-12 19:52:51,584 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 19:52:51,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 114 transitions. [2024-09-12 19:52:51,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-09-12 19:52:51,585 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:51,586 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, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:51,586 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-12 19:52:51,586 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:51,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:51,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1913625316, now seen corresponding path program 1 times [2024-09-12 19:52:51,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:51,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880293549] [2024-09-12 19:52:51,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:51,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,615 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,617 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-12 19:52:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,627 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 19:52:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,646 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-12 19:52:51,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:51,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880293549] [2024-09-12 19:52:51,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880293549] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:51,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033256056] [2024-09-12 19:52:51,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:51,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:51,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:51,649 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 19:52:51,650 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 19:52:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-12 19:52:51,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 19:52:51,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:52:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-12 19:52:51,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033256056] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:52:51,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:52:51,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-09-12 19:52:51,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589575429] [2024-09-12 19:52:51,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:52:51,908 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-12 19:52:51,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:51,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-12 19:52:51,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-09-12 19:52:51,909 INFO L87 Difference]: Start difference. First operand 90 states and 114 transitions. Second operand has 19 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 15 states have internal predecessors, (59), 9 states have call successors, (14), 6 states have call predecessors, (14), 5 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2024-09-12 19:52:52,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:52,271 INFO L93 Difference]: Finished difference Result 222 states and 294 transitions. [2024-09-12 19:52:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-12 19:52:52,271 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 15 states have internal predecessors, (59), 9 states have call successors, (14), 6 states have call predecessors, (14), 5 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) Word has length 33 [2024-09-12 19:52:52,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:52,272 INFO L225 Difference]: With dead ends: 222 [2024-09-12 19:52:52,273 INFO L226 Difference]: Without dead ends: 144 [2024-09-12 19:52:52,274 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2024-09-12 19:52:52,274 INFO L434 NwaCegarLoop]: 65 mSDtfsCounter, 132 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:52,274 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 773 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 19:52:52,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-09-12 19:52:52,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 130. [2024-09-12 19:52:52,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 96 states have (on average 1.1666666666666667) internal successors, (112), 102 states have internal predecessors, (112), 18 states have call successors, (18), 8 states have call predecessors, (18), 11 states have return successors, (36), 19 states have call predecessors, (36), 17 states have call successors, (36) [2024-09-12 19:52:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 166 transitions. [2024-09-12 19:52:52,302 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 166 transitions. Word has length 33 [2024-09-12 19:52:52,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:52,302 INFO L474 AbstractCegarLoop]: Abstraction has 130 states and 166 transitions. [2024-09-12 19:52:52,302 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 15 states have internal predecessors, (59), 9 states have call successors, (14), 6 states have call predecessors, (14), 5 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2024-09-12 19:52:52,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:52,303 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 166 transitions. [2024-09-12 19:52:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-09-12 19:52:52,303 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:52,303 INFO L216 NwaCegarLoop]: trace histogram [4, 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] [2024-09-12 19:52:52,320 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 19:52:52,504 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-12 19:52:52,504 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:52,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:52,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1804822488, now seen corresponding path program 2 times [2024-09-12 19:52:52,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:52,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219397377] [2024-09-12 19:52:52,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:52,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:52,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:52,549 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-09-12 19:52:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:52,560 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-12 19:52:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:52,573 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 19:52:52,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:52,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219397377] [2024-09-12 19:52:52,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219397377] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:52,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818958277] [2024-09-12 19:52:52,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 19:52:52,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:52,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:52,575 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 19:52:52,576 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 19:52:52,610 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 19:52:52,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:52:52,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-12 19:52:52,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:52,649 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 19:52:52,649 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 19:52:52,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818958277] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:52,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 19:52:52,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-09-12 19:52:52,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047302229] [2024-09-12 19:52:52,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:52,650 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:52,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:52,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:52,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-09-12 19:52:52,650 INFO L87 Difference]: Start difference. First operand 130 states and 166 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 19:52:52,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:52,687 INFO L93 Difference]: Finished difference Result 139 states and 178 transitions. [2024-09-12 19:52:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:52,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2024-09-12 19:52:52,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:52,689 INFO L225 Difference]: With dead ends: 139 [2024-09-12 19:52:52,689 INFO L226 Difference]: Without dead ends: 138 [2024-09-12 19:52:52,689 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-09-12 19:52:52,690 INFO L434 NwaCegarLoop]: 43 mSDtfsCounter, 4 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:52,690 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 125 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:52:52,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-09-12 19:52:52,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2024-09-12 19:52:52,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 100 states have (on average 1.16) internal successors, (116), 104 states have internal predecessors, (116), 18 states have call successors, (18), 8 states have call predecessors, (18), 11 states have return successors, (36), 21 states have call predecessors, (36), 17 states have call successors, (36) [2024-09-12 19:52:52,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 170 transitions. [2024-09-12 19:52:52,711 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 170 transitions. Word has length 45 [2024-09-12 19:52:52,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:52,711 INFO L474 AbstractCegarLoop]: Abstraction has 134 states and 170 transitions. [2024-09-12 19:52:52,711 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 19:52:52,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2024-09-12 19:52:52,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-09-12 19:52:52,713 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:52,713 INFO L216 NwaCegarLoop]: trace histogram [4, 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] [2024-09-12 19:52:52,726 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 19:52:52,913 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-09-12 19:52:52,914 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:52,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:52,914 INFO L85 PathProgramCache]: Analyzing trace with hash 114922353, now seen corresponding path program 1 times [2024-09-12 19:52:52,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:52,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592625809] [2024-09-12 19:52:52,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:52,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:52,972 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:52,975 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-09-12 19:52:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:52,988 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-12 19:52:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:53,004 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 19:52:53,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:53,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592625809] [2024-09-12 19:52:53,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592625809] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:53,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045261076] [2024-09-12 19:52:53,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:53,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:53,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:53,007 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 19:52:53,008 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 19:52:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:53,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-12 19:52:53,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 19:52:53,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:52:53,396 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-12 19:52:53,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045261076] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:52:53,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:52:53,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 27 [2024-09-12 19:52:53,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992748980] [2024-09-12 19:52:53,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:52:53,398 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-12 19:52:53,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:53,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-12 19:52:53,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2024-09-12 19:52:53,399 INFO L87 Difference]: Start difference. First operand 134 states and 170 transitions. Second operand has 27 states, 25 states have (on average 3.28) internal successors, (82), 19 states have internal predecessors, (82), 13 states have call successors, (18), 10 states have call predecessors, (18), 5 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2024-09-12 19:52:54,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:54,031 INFO L93 Difference]: Finished difference Result 368 states and 490 transitions. [2024-09-12 19:52:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-12 19:52:54,031 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 3.28) internal successors, (82), 19 states have internal predecessors, (82), 13 states have call successors, (18), 10 states have call predecessors, (18), 5 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) Word has length 46 [2024-09-12 19:52:54,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:54,035 INFO L225 Difference]: With dead ends: 368 [2024-09-12 19:52:54,036 INFO L226 Difference]: Without dead ends: 252 [2024-09-12 19:52:54,037 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=1163, Unknown=0, NotChecked=0, Total=1332 [2024-09-12 19:52:54,037 INFO L434 NwaCegarLoop]: 97 mSDtfsCounter, 233 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:54,037 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 1299 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-12 19:52:54,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-09-12 19:52:54,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 228. [2024-09-12 19:52:54,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 175 states have (on average 1.16) internal successors, (203), 179 states have internal predecessors, (203), 31 states have call successors, (31), 14 states have call predecessors, (31), 17 states have return successors, (50), 34 states have call predecessors, (50), 30 states have call successors, (50) [2024-09-12 19:52:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 284 transitions. [2024-09-12 19:52:54,062 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 284 transitions. Word has length 46 [2024-09-12 19:52:54,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:54,062 INFO L474 AbstractCegarLoop]: Abstraction has 228 states and 284 transitions. [2024-09-12 19:52:54,062 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 3.28) internal successors, (82), 19 states have internal predecessors, (82), 13 states have call successors, (18), 10 states have call predecessors, (18), 5 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2024-09-12 19:52:54,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 284 transitions. [2024-09-12 19:52:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-09-12 19:52:54,063 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:54,063 INFO L216 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:54,075 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 19:52:54,267 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:54,268 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:54,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:54,268 INFO L85 PathProgramCache]: Analyzing trace with hash 2136828516, now seen corresponding path program 1 times [2024-09-12 19:52:54,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:54,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28757286] [2024-09-12 19:52:54,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:54,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:54,308 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:54,310 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-09-12 19:52:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:54,323 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 19:52:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:54,331 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-09-12 19:52:54,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:54,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28757286] [2024-09-12 19:52:54,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28757286] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:54,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466400001] [2024-09-12 19:52:54,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:54,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:54,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:54,346 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 19:52:54,347 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 19:52:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:54,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-12 19:52:54,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:54,662 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 16 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 19:52:54,662 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:52:55,060 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-12 19:52:55,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466400001] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:52:55,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:52:55,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 23, 23] total 47 [2024-09-12 19:52:55,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421498860] [2024-09-12 19:52:55,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:52:55,061 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-09-12 19:52:55,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:55,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-09-12 19:52:55,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=1913, Unknown=0, NotChecked=0, Total=2162 [2024-09-12 19:52:55,063 INFO L87 Difference]: Start difference. First operand 228 states and 284 transitions. Second operand has 47 states, 45 states have (on average 2.8666666666666667) internal successors, (129), 29 states have internal predecessors, (129), 23 states have call successors, (28), 20 states have call predecessors, (28), 5 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2024-09-12 19:52:56,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:56,225 INFO L93 Difference]: Finished difference Result 694 states and 924 transitions. [2024-09-12 19:52:56,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-09-12 19:52:56,226 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 45 states have (on average 2.8666666666666667) internal successors, (129), 29 states have internal predecessors, (129), 23 states have call successors, (28), 20 states have call predecessors, (28), 5 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) Word has length 75 [2024-09-12 19:52:56,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:56,229 INFO L225 Difference]: With dead ends: 694 [2024-09-12 19:52:56,230 INFO L226 Difference]: Without dead ends: 490 [2024-09-12 19:52:56,232 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=561, Invalid=3729, Unknown=0, NotChecked=0, Total=4290 [2024-09-12 19:52:56,232 INFO L434 NwaCegarLoop]: 170 mSDtfsCounter, 606 mSDsluCounter, 2635 mSDsCounter, 0 mSdLazyCounter, 1999 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 2805 SdHoareTripleChecker+Invalid, 2119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:56,232 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 2805 Invalid, 2119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1999 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-09-12 19:52:56,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-09-12 19:52:56,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 445. [2024-09-12 19:52:56,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 349 states have (on average 1.160458452722063) internal successors, (405), 352 states have internal predecessors, (405), 60 states have call successors, (60), 28 states have call predecessors, (60), 31 states have return successors, (83), 64 states have call predecessors, (83), 59 states have call successors, (83) [2024-09-12 19:52:56,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 548 transitions. [2024-09-12 19:52:56,286 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 548 transitions. Word has length 75 [2024-09-12 19:52:56,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:56,287 INFO L474 AbstractCegarLoop]: Abstraction has 445 states and 548 transitions. [2024-09-12 19:52:56,287 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 45 states have (on average 2.8666666666666667) internal successors, (129), 29 states have internal predecessors, (129), 23 states have call successors, (28), 20 states have call predecessors, (28), 5 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2024-09-12 19:52:56,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:56,287 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 548 transitions. [2024-09-12 19:52:56,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-09-12 19:52:56,288 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:56,288 INFO L216 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:56,301 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 19:52:56,492 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-12 19:52:56,493 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:56,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:56,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1631495174, now seen corresponding path program 2 times [2024-09-12 19:52:56,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:56,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074718366] [2024-09-12 19:52:56,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:56,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:56,564 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:56,566 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-09-12 19:52:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:56,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-09-12 19:52:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:56,585 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-09-12 19:52:56,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:56,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074718366] [2024-09-12 19:52:56,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074718366] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:56,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621445608] [2024-09-12 19:52:56,586 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 19:52:56,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:56,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:56,587 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 19:52:56,588 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 19:52:56,633 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 19:52:56,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:52:56,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-12 19:52:56,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-09-12 19:52:56,666 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 19:52:56,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621445608] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:56,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 19:52:56,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-09-12 19:52:56,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665911994] [2024-09-12 19:52:56,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:56,667 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:56,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:56,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:56,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-09-12 19:52:56,668 INFO L87 Difference]: Start difference. First operand 445 states and 548 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 19:52:56,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:56,729 INFO L93 Difference]: Finished difference Result 455 states and 563 transitions. [2024-09-12 19:52:56,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:56,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 123 [2024-09-12 19:52:56,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:56,731 INFO L225 Difference]: With dead ends: 455 [2024-09-12 19:52:56,731 INFO L226 Difference]: Without dead ends: 454 [2024-09-12 19:52:56,732 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-09-12 19:52:56,732 INFO L434 NwaCegarLoop]: 43 mSDtfsCounter, 4 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:56,732 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 125 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:52:56,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-09-12 19:52:56,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 451. [2024-09-12 19:52:56,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 355 states have (on average 1.1577464788732394) internal successors, (411), 355 states have internal predecessors, (411), 60 states have call successors, (60), 28 states have call predecessors, (60), 31 states have return successors, (83), 67 states have call predecessors, (83), 59 states have call successors, (83) [2024-09-12 19:52:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 554 transitions. [2024-09-12 19:52:56,766 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 554 transitions. Word has length 123 [2024-09-12 19:52:56,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:56,767 INFO L474 AbstractCegarLoop]: Abstraction has 451 states and 554 transitions. [2024-09-12 19:52:56,767 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 19:52:56,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:56,767 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 554 transitions. [2024-09-12 19:52:56,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-09-12 19:52:56,768 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:56,768 INFO L216 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:56,781 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 19:52:56,968 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-09-12 19:52:56,969 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:56,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:56,969 INFO L85 PathProgramCache]: Analyzing trace with hash 963257257, now seen corresponding path program 1 times [2024-09-12 19:52:56,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:56,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765562295] [2024-09-12 19:52:56,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:56,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:57,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:57,025 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-09-12 19:52:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:57,036 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-09-12 19:52:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-09-12 19:52:57,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:57,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765562295] [2024-09-12 19:52:57,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765562295] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:57,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992273045] [2024-09-12 19:52:57,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:57,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:57,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:57,048 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 19:52:57,050 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 19:52:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:57,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-12 19:52:57,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:57,627 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 20 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 19:52:57,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:52:58,380 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 427 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-12 19:52:58,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992273045] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:52:58,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:52:58,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 39, 39] total 79 [2024-09-12 19:52:58,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335151816] [2024-09-12 19:52:58,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:52:58,382 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-09-12 19:52:58,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:58,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-09-12 19:52:58,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=721, Invalid=5441, Unknown=0, NotChecked=0, Total=6162 [2024-09-12 19:52:58,385 INFO L87 Difference]: Start difference. First operand 451 states and 554 transitions. Second operand has 79 states, 77 states have (on average 2.7532467532467533) internal successors, (212), 45 states have internal predecessors, (212), 39 states have call successors, (44), 36 states have call predecessors, (44), 5 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2024-09-12 19:53:00,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:00,232 INFO L93 Difference]: Finished difference Result 1908 states and 2501 transitions. [2024-09-12 19:53:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-09-12 19:53:00,233 INFO L78 Accepts]: Start accepts. Automaton has has 79 states, 77 states have (on average 2.7532467532467533) internal successors, (212), 45 states have internal predecessors, (212), 39 states have call successors, (44), 36 states have call predecessors, (44), 5 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) Word has length 124 [2024-09-12 19:53:00,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:00,241 INFO L225 Difference]: With dead ends: 1908 [2024-09-12 19:53:00,241 INFO L226 Difference]: Without dead ends: 1481 [2024-09-12 19:53:00,247 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 214 SyntacticMatches, 1 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4087 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1665, Invalid=11217, Unknown=0, NotChecked=0, Total=12882 [2024-09-12 19:53:00,247 INFO L434 NwaCegarLoop]: 168 mSDtfsCounter, 1196 mSDsluCounter, 2650 mSDsCounter, 0 mSdLazyCounter, 2281 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 2504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 2281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:00,247 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 2818 Invalid, 2504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 2281 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-09-12 19:53:00,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2024-09-12 19:53:00,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 1400. [2024-09-12 19:53:00,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 1115 states have (on average 1.1650224215246636) internal successors, (1299), 1114 states have internal predecessors, (1299), 186 states have call successors, (186), 92 states have call predecessors, (186), 94 states have return successors, (202), 193 states have call predecessors, (202), 185 states have call successors, (202) [2024-09-12 19:53:00,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1687 transitions. [2024-09-12 19:53:00,378 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1687 transitions. Word has length 124 [2024-09-12 19:53:00,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:00,379 INFO L474 AbstractCegarLoop]: Abstraction has 1400 states and 1687 transitions. [2024-09-12 19:53:00,379 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 77 states have (on average 2.7532467532467533) internal successors, (212), 45 states have internal predecessors, (212), 39 states have call successors, (44), 36 states have call predecessors, (44), 5 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2024-09-12 19:53:00,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1687 transitions. [2024-09-12 19:53:00,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-09-12 19:53:00,380 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:00,381 INFO L216 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:53:00,395 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-12 19:53:00,584 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-09-12 19:53:00,584 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:00,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:00,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1670503034, now seen corresponding path program 1 times [2024-09-12 19:53:00,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:00,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813318325] [2024-09-12 19:53:00,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:00,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:00,650 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:00,652 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 19:53:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:00,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-09-12 19:53:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2024-09-12 19:53:00,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:00,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813318325] [2024-09-12 19:53:00,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813318325] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:53:00,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:53:00,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 19:53:00,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345879304] [2024-09-12 19:53:00,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:53:00,680 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:53:00,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:00,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:53:00,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:53:00,681 INFO L87 Difference]: Start difference. First operand 1400 states and 1687 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 19:53:00,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:00,818 INFO L93 Difference]: Finished difference Result 1410 states and 1699 transitions. [2024-09-12 19:53:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:53:00,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 131 [2024-09-12 19:53:00,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:00,824 INFO L225 Difference]: With dead ends: 1410 [2024-09-12 19:53:00,825 INFO L226 Difference]: Without dead ends: 1409 [2024-09-12 19:53:00,825 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:53:00,826 INFO L434 NwaCegarLoop]: 52 mSDtfsCounter, 2 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:00,826 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 193 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:53:00,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2024-09-12 19:53:00,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1394. [2024-09-12 19:53:00,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1111 states have (on average 1.1656165616561656) internal successors, (1295), 1109 states have internal predecessors, (1295), 185 states have call successors, (185), 92 states have call predecessors, (185), 93 states have return successors, (194), 192 states have call predecessors, (194), 184 states have call successors, (194) [2024-09-12 19:53:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1674 transitions. [2024-09-12 19:53:00,961 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1674 transitions. Word has length 131 [2024-09-12 19:53:00,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:00,962 INFO L474 AbstractCegarLoop]: Abstraction has 1394 states and 1674 transitions. [2024-09-12 19:53:00,962 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 19:53:00,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:00,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1674 transitions. [2024-09-12 19:53:00,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-09-12 19:53:00,964 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:00,964 INFO L216 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 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 19:53:00,964 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-12 19:53:00,964 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:00,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:00,964 INFO L85 PathProgramCache]: Analyzing trace with hash -596878299, now seen corresponding path program 1 times [2024-09-12 19:53:00,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:00,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458069058] [2024-09-12 19:53:00,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:00,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:01,022 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:01,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-09-12 19:53:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:01,036 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-09-12 19:53:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:01,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:01,043 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:53:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:01,044 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2024-09-12 19:53:01,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:01,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458069058] [2024-09-12 19:53:01,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458069058] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:01,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301186154] [2024-09-12 19:53:01,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:01,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:01,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:01,046 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 19:53:01,047 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 19:53:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:01,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-09-12 19:53:01,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:01,659 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 543 proven. 120 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-12 19:53:01,660 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 543 proven. 120 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-12 19:53:02,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301186154] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:02,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:02,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 45, 45] total 90 [2024-09-12 19:53:02,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966954166] [2024-09-12 19:53:02,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:02,576 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-09-12 19:53:02,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:02,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-09-12 19:53:02,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=941, Invalid=7069, Unknown=0, NotChecked=0, Total=8010 [2024-09-12 19:53:02,581 INFO L87 Difference]: Start difference. First operand 1394 states and 1674 transitions. Second operand has 90 states, 88 states have (on average 2.875) internal successors, (253), 50 states have internal predecessors, (253), 45 states have call successors, (53), 41 states have call predecessors, (53), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2024-09-12 19:53:04,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:04,679 INFO L93 Difference]: Finished difference Result 2856 states and 3557 transitions. [2024-09-12 19:53:04,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-09-12 19:53:04,680 INFO L78 Accepts]: Start accepts. Automaton has has 90 states, 88 states have (on average 2.875) internal successors, (253), 50 states have internal predecessors, (253), 45 states have call successors, (53), 41 states have call predecessors, (53), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) Word has length 159 [2024-09-12 19:53:04,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:04,687 INFO L225 Difference]: With dead ends: 2856 [2024-09-12 19:53:04,688 INFO L226 Difference]: Without dead ends: 1518 [2024-09-12 19:53:04,696 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 280 SyntacticMatches, 1 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8837 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=3448, Invalid=19808, Unknown=0, NotChecked=0, Total=23256 [2024-09-12 19:53:04,697 INFO L434 NwaCegarLoop]: 52 mSDtfsCounter, 1692 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 3241 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 3655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 3241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:04,697 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 1491 Invalid, 3655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 3241 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-09-12 19:53:04,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2024-09-12 19:53:04,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1437. [2024-09-12 19:53:04,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1145 states have (on average 1.1615720524017468) internal successors, (1330), 1143 states have internal predecessors, (1330), 191 states have call successors, (191), 94 states have call predecessors, (191), 96 states have return successors, (209), 199 states have call predecessors, (209), 190 states have call successors, (209) [2024-09-12 19:53:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1730 transitions. [2024-09-12 19:53:04,839 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1730 transitions. Word has length 159 [2024-09-12 19:53:04,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:04,839 INFO L474 AbstractCegarLoop]: Abstraction has 1437 states and 1730 transitions. [2024-09-12 19:53:04,839 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 88 states have (on average 2.875) internal successors, (253), 50 states have internal predecessors, (253), 45 states have call successors, (53), 41 states have call predecessors, (53), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2024-09-12 19:53:04,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1730 transitions. [2024-09-12 19:53:04,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-09-12 19:53:04,841 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:04,841 INFO L216 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 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] [2024-09-12 19:53:04,853 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-12 19:53:05,044 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,9 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:05,045 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:05,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:05,046 INFO L85 PathProgramCache]: Analyzing trace with hash 289898354, now seen corresponding path program 1 times [2024-09-12 19:53:05,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:05,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882406786] [2024-09-12 19:53:05,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:05,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:05,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:05,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 19:53:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:05,101 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-09-12 19:53:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:05,105 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:05,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:53:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2024-09-12 19:53:05,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:05,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882406786] [2024-09-12 19:53:05,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882406786] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:05,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599222604] [2024-09-12 19:53:05,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:05,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:05,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:05,109 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 19:53:05,110 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 19:53:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:05,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-09-12 19:53:05,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:05,629 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 94 proven. 450 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-12 19:53:05,629 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:06,357 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-12 19:53:06,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599222604] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:06,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:06,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 41, 41] total 82 [2024-09-12 19:53:06,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156830992] [2024-09-12 19:53:06,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:06,358 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-09-12 19:53:06,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:06,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-09-12 19:53:06,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=795, Invalid=5847, Unknown=0, NotChecked=0, Total=6642 [2024-09-12 19:53:06,360 INFO L87 Difference]: Start difference. First operand 1437 states and 1730 transitions. Second operand has 82 states, 80 states have (on average 2.9625) internal successors, (237), 46 states have internal predecessors, (237), 41 states have call successors, (49), 38 states have call predecessors, (49), 4 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2024-09-12 19:53:08,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:08,134 INFO L93 Difference]: Finished difference Result 2877 states and 3556 transitions. [2024-09-12 19:53:08,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-09-12 19:53:08,135 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 80 states have (on average 2.9625) internal successors, (237), 46 states have internal predecessors, (237), 41 states have call successors, (49), 38 states have call predecessors, (49), 4 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) Word has length 148 [2024-09-12 19:53:08,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:08,145 INFO L225 Difference]: With dead ends: 2877 [2024-09-12 19:53:08,146 INFO L226 Difference]: Without dead ends: 1500 [2024-09-12 19:53:08,153 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4518 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1843, Invalid=11963, Unknown=0, NotChecked=0, Total=13806 [2024-09-12 19:53:08,154 INFO L434 NwaCegarLoop]: 172 mSDtfsCounter, 1203 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 2413 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 2958 SdHoareTripleChecker+Invalid, 2630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 2413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:08,154 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 2958 Invalid, 2630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 2413 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-09-12 19:53:08,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2024-09-12 19:53:08,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 1433. [2024-09-12 19:53:08,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1433 states, 1142 states have (on average 1.1619964973730297) internal successors, (1327), 1140 states have internal predecessors, (1327), 190 states have call successors, (190), 94 states have call predecessors, (190), 96 states have return successors, (200), 198 states have call predecessors, (200), 189 states have call successors, (200) [2024-09-12 19:53:08,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 1717 transitions. [2024-09-12 19:53:08,282 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 1717 transitions. Word has length 148 [2024-09-12 19:53:08,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:08,282 INFO L474 AbstractCegarLoop]: Abstraction has 1433 states and 1717 transitions. [2024-09-12 19:53:08,283 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 80 states have (on average 2.9625) internal successors, (237), 46 states have internal predecessors, (237), 41 states have call successors, (49), 38 states have call predecessors, (49), 4 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2024-09-12 19:53:08,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1717 transitions. [2024-09-12 19:53:08,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-09-12 19:53:08,284 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:08,284 INFO L216 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 9, 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 19:53:08,296 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-12 19:53:08,484 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:08,484 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:08,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:08,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1885947878, now seen corresponding path program 1 times [2024-09-12 19:53:08,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:08,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588273679] [2024-09-12 19:53:08,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:08,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:08,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:08,549 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 19:53:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:08,559 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-09-12 19:53:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:08,562 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:08,564 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:53:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2024-09-12 19:53:08,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:08,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588273679] [2024-09-12 19:53:08,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588273679] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:08,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421115421] [2024-09-12 19:53:08,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:08,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:08,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:08,567 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 19:53:08,568 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 19:53:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:08,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-09-12 19:53:08,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:09,153 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 95 proven. 459 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-12 19:53:09,154 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 553 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-12 19:53:09,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421115421] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:09,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:09,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 41, 41] total 45 [2024-09-12 19:53:09,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594592245] [2024-09-12 19:53:09,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:09,631 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-09-12 19:53:09,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:09,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-09-12 19:53:09,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=1737, Unknown=0, NotChecked=0, Total=1980 [2024-09-12 19:53:09,633 INFO L87 Difference]: Start difference. First operand 1433 states and 1717 transitions. Second operand has 45 states, 44 states have (on average 3.3181818181818183) internal successors, (146), 27 states have internal predecessors, (146), 22 states have call successors, (30), 20 states have call predecessors, (30), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-09-12 19:53:10,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:10,799 INFO L93 Difference]: Finished difference Result 3299 states and 3934 transitions. [2024-09-12 19:53:10,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-09-12 19:53:10,800 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 3.3181818181818183) internal successors, (146), 27 states have internal predecessors, (146), 22 states have call successors, (30), 20 states have call predecessors, (30), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 148 [2024-09-12 19:53:10,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:10,811 INFO L225 Difference]: With dead ends: 3299 [2024-09-12 19:53:10,811 INFO L226 Difference]: Without dead ends: 1926 [2024-09-12 19:53:10,816 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 247 SyntacticMatches, 38 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1767 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=554, Invalid=3478, Unknown=0, NotChecked=0, Total=4032 [2024-09-12 19:53:10,816 INFO L434 NwaCegarLoop]: 181 mSDtfsCounter, 585 mSDsluCounter, 2580 mSDsCounter, 0 mSdLazyCounter, 1920 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 2761 SdHoareTripleChecker+Invalid, 2013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:10,817 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 2761 Invalid, 2013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1920 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-09-12 19:53:10,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2024-09-12 19:53:10,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1887. [2024-09-12 19:53:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1887 states, 1506 states have (on average 1.1626826029216468) internal successors, (1751), 1502 states have internal predecessors, (1751), 250 states have call successors, (250), 124 states have call predecessors, (250), 126 states have return successors, (262), 260 states have call predecessors, (262), 249 states have call successors, (262) [2024-09-12 19:53:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2263 transitions. [2024-09-12 19:53:11,004 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2263 transitions. Word has length 148 [2024-09-12 19:53:11,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:11,005 INFO L474 AbstractCegarLoop]: Abstraction has 1887 states and 2263 transitions. [2024-09-12 19:53:11,005 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 3.3181818181818183) internal successors, (146), 27 states have internal predecessors, (146), 22 states have call successors, (30), 20 states have call predecessors, (30), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-09-12 19:53:11,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2263 transitions. [2024-09-12 19:53:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-09-12 19:53:11,006 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:11,006 INFO L216 NwaCegarLoop]: trace histogram [12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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 19:53:11,019 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-12 19:53:11,207 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:11,207 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:11,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:11,207 INFO L85 PathProgramCache]: Analyzing trace with hash 945616005, now seen corresponding path program 1 times [2024-09-12 19:53:11,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:11,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064404133] [2024-09-12 19:53:11,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:11,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:11,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:11,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-09-12 19:53:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:11,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-09-12 19:53:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:11,276 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:11,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:53:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2024-09-12 19:53:11,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:11,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064404133] [2024-09-12 19:53:11,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064404133] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:11,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056642539] [2024-09-12 19:53:11,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:11,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:11,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:11,280 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 19:53:11,281 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 19:53:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:11,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-09-12 19:53:11,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 98 proven. 504 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-12 19:53:11,836 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:12,333 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 0 proven. 601 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-12 19:53:12,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056642539] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:12,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:12,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 43, 43] total 47 [2024-09-12 19:53:12,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094556883] [2024-09-12 19:53:12,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:12,334 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-09-12 19:53:12,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:12,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-09-12 19:53:12,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=1897, Unknown=0, NotChecked=0, Total=2162 [2024-09-12 19:53:12,335 INFO L87 Difference]: Start difference. First operand 1887 states and 2263 transitions. Second operand has 47 states, 46 states have (on average 3.239130434782609) internal successors, (149), 28 states have internal predecessors, (149), 23 states have call successors, (31), 21 states have call predecessors, (31), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-09-12 19:53:13,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:13,467 INFO L93 Difference]: Finished difference Result 3797 states and 4546 transitions. [2024-09-12 19:53:13,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-12 19:53:13,468 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 3.239130434782609) internal successors, (149), 28 states have internal predecessors, (149), 23 states have call successors, (31), 21 states have call predecessors, (31), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 153 [2024-09-12 19:53:13,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:13,478 INFO L225 Difference]: With dead ends: 3797 [2024-09-12 19:53:13,478 INFO L226 Difference]: Without dead ends: 2024 [2024-09-12 19:53:13,483 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 254 SyntacticMatches, 40 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1969 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=607, Invalid=3815, Unknown=0, NotChecked=0, Total=4422 [2024-09-12 19:53:13,484 INFO L434 NwaCegarLoop]: 179 mSDtfsCounter, 623 mSDsluCounter, 2234 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 2413 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:13,484 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 2413 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1747 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-12 19:53:13,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2024-09-12 19:53:13,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 1979. [2024-09-12 19:53:13,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1979 states, 1580 states have (on average 1.1613924050632911) internal successors, (1835), 1574 states have internal predecessors, (1835), 262 states have call successors, (262), 129 states have call predecessors, (262), 132 states have return successors, (288), 275 states have call predecessors, (288), 261 states have call successors, (288) [2024-09-12 19:53:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2385 transitions. [2024-09-12 19:53:13,677 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2385 transitions. Word has length 153 [2024-09-12 19:53:13,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:13,678 INFO L474 AbstractCegarLoop]: Abstraction has 1979 states and 2385 transitions. [2024-09-12 19:53:13,678 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 3.239130434782609) internal successors, (149), 28 states have internal predecessors, (149), 23 states have call successors, (31), 21 states have call predecessors, (31), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-09-12 19:53:13,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2385 transitions. [2024-09-12 19:53:13,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-09-12 19:53:13,679 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:13,679 INFO L216 NwaCegarLoop]: trace histogram [12, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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 19:53:13,692 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 19:53:13,883 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,12 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:13,884 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:13,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:13,884 INFO L85 PathProgramCache]: Analyzing trace with hash 2004066430, now seen corresponding path program 1 times [2024-09-12 19:53:13,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:13,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117667516] [2024-09-12 19:53:13,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:13,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-09-12 19:53:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-09-12 19:53:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,953 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:53:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2024-09-12 19:53:13,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:13,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117667516] [2024-09-12 19:53:13,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117667516] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:13,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160917665] [2024-09-12 19:53:13,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:13,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:13,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:13,958 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 19:53:13,959 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 19:53:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:14,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-09-12 19:53:14,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:14,543 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 490 proven. 121 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-12 19:53:14,543 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:15,035 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 490 proven. 121 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-12 19:53:15,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160917665] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:15,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:15,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 43, 43] total 47 [2024-09-12 19:53:15,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293631690] [2024-09-12 19:53:15,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:15,036 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-09-12 19:53:15,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:15,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-09-12 19:53:15,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=1906, Unknown=0, NotChecked=0, Total=2162 [2024-09-12 19:53:15,038 INFO L87 Difference]: Start difference. First operand 1979 states and 2385 transitions. Second operand has 47 states, 46 states have (on average 3.130434782608696) internal successors, (144), 28 states have internal predecessors, (144), 23 states have call successors, (30), 20 states have call predecessors, (30), 3 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-09-12 19:53:16,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:16,432 INFO L93 Difference]: Finished difference Result 4378 states and 5330 transitions. [2024-09-12 19:53:16,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-09-12 19:53:16,432 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 3.130434782608696) internal successors, (144), 28 states have internal predecessors, (144), 23 states have call successors, (30), 20 states have call predecessors, (30), 3 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 154 [2024-09-12 19:53:16,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:16,446 INFO L225 Difference]: With dead ends: 4378 [2024-09-12 19:53:16,446 INFO L226 Difference]: Without dead ends: 2527 [2024-09-12 19:53:16,453 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 255 SyntacticMatches, 40 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3348 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1175, Invalid=6657, Unknown=0, NotChecked=0, Total=7832 [2024-09-12 19:53:16,454 INFO L434 NwaCegarLoop]: 43 mSDtfsCounter, 929 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 2173 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 2464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 2173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:16,454 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [930 Valid, 886 Invalid, 2464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 2173 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-09-12 19:53:16,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2527 states. [2024-09-12 19:53:16,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2527 to 2437. [2024-09-12 19:53:16,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2437 states, 1948 states have (on average 1.1555441478439425) internal successors, (2251), 1933 states have internal predecessors, (2251), 318 states have call successors, (318), 152 states have call predecessors, (318), 166 states have return successors, (365), 351 states have call predecessors, (365), 317 states have call successors, (365) [2024-09-12 19:53:16,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2437 states and 2934 transitions. [2024-09-12 19:53:16,798 INFO L78 Accepts]: Start accepts. Automaton has 2437 states and 2934 transitions. Word has length 154 [2024-09-12 19:53:16,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:16,799 INFO L474 AbstractCegarLoop]: Abstraction has 2437 states and 2934 transitions. [2024-09-12 19:53:16,799 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 3.130434782608696) internal successors, (144), 28 states have internal predecessors, (144), 23 states have call successors, (30), 20 states have call predecessors, (30), 3 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-09-12 19:53:16,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:16,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2934 transitions. [2024-09-12 19:53:16,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-09-12 19:53:16,800 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:16,801 INFO L216 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 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 19:53:16,813 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 19:53:17,004 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-09-12 19:53:17,005 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:17,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:17,005 INFO L85 PathProgramCache]: Analyzing trace with hash -964144994, now seen corresponding path program 1 times [2024-09-12 19:53:17,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:17,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589687711] [2024-09-12 19:53:17,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:17,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 19:53:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,121 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,129 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,137 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-09-12 19:53:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,148 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2024-09-12 19:53:17,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:17,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589687711] [2024-09-12 19:53:17,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589687711] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:53:17,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:53:17,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-12 19:53:17,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619281273] [2024-09-12 19:53:17,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:53:17,149 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-12 19:53:17,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:17,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-12 19:53:17,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-09-12 19:53:17,150 INFO L87 Difference]: Start difference. First operand 2437 states and 2934 transitions. Second operand has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 3 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-09-12 19:53:17,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:17,469 INFO L93 Difference]: Finished difference Result 2573 states and 3140 transitions. [2024-09-12 19:53:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-12 19:53:17,470 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 3 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 150 [2024-09-12 19:53:17,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:17,481 INFO L225 Difference]: With dead ends: 2573 [2024-09-12 19:53:17,481 INFO L226 Difference]: Without dead ends: 2572 [2024-09-12 19:53:17,482 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-09-12 19:53:17,482 INFO L434 NwaCegarLoop]: 45 mSDtfsCounter, 6 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:17,482 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 338 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:53:17,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2572 states. [2024-09-12 19:53:17,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2572 to 2488. [2024-09-12 19:53:17,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2488 states, 1986 states have (on average 1.1525679758308156) internal successors, (2289), 1974 states have internal predecessors, (2289), 323 states have call successors, (323), 152 states have call predecessors, (323), 174 states have return successors, (413), 361 states have call predecessors, (413), 322 states have call successors, (413) [2024-09-12 19:53:17,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 3025 transitions. [2024-09-12 19:53:17,759 INFO L78 Accepts]: Start accepts. Automaton has 2488 states and 3025 transitions. Word has length 150 [2024-09-12 19:53:17,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:17,759 INFO L474 AbstractCegarLoop]: Abstraction has 2488 states and 3025 transitions. [2024-09-12 19:53:17,759 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 3 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-09-12 19:53:17,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:17,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 3025 transitions. [2024-09-12 19:53:17,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-09-12 19:53:17,760 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:17,760 INFO L216 NwaCegarLoop]: trace histogram [12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-09-12 19:53:17,760 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-09-12 19:53:17,761 INFO L399 AbstractCegarLoop]: === Iteration 24 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:17,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:17,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1289488160, now seen corresponding path program 1 times [2024-09-12 19:53:17,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:17,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108596663] [2024-09-12 19:53:17,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:17,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,806 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-09-12 19:53:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,808 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,809 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:53:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,810 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-09-12 19:53:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,817 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2024-09-12 19:53:17,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:17,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108596663] [2024-09-12 19:53:17,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108596663] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:53:17,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:53:17,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 19:53:17,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460586910] [2024-09-12 19:53:17,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:53:17,818 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:53:17,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:17,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:53:17,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:53:17,818 INFO L87 Difference]: Start difference. First operand 2488 states and 3025 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-09-12 19:53:18,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:18,162 INFO L93 Difference]: Finished difference Result 2521 states and 3066 transitions. [2024-09-12 19:53:18,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:53:18,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 154 [2024-09-12 19:53:18,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:18,176 INFO L225 Difference]: With dead ends: 2521 [2024-09-12 19:53:18,176 INFO L226 Difference]: Without dead ends: 2520 [2024-09-12 19:53:18,177 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:53:18,177 INFO L434 NwaCegarLoop]: 45 mSDtfsCounter, 2 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:18,178 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 169 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:53:18,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2520 states. [2024-09-12 19:53:18,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2520 to 2496. [2024-09-12 19:53:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 1995 states have (on average 1.1508771929824562) internal successors, (2296), 1979 states have internal predecessors, (2296), 322 states have call successors, (322), 152 states have call predecessors, (322), 174 states have return successors, (412), 364 states have call predecessors, (412), 321 states have call successors, (412) [2024-09-12 19:53:18,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 3030 transitions. [2024-09-12 19:53:18,452 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 3030 transitions. Word has length 154 [2024-09-12 19:53:18,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:18,453 INFO L474 AbstractCegarLoop]: Abstraction has 2496 states and 3030 transitions. [2024-09-12 19:53:18,453 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-09-12 19:53:18,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:18,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 3030 transitions. [2024-09-12 19:53:18,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-09-12 19:53:18,454 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:18,454 INFO L216 NwaCegarLoop]: trace histogram [13, 13, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 4, 4, 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 19:53:18,454 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-09-12 19:53:18,454 INFO L399 AbstractCegarLoop]: === Iteration 25 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:18,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:18,454 INFO L85 PathProgramCache]: Analyzing trace with hash 341007044, now seen corresponding path program 1 times [2024-09-12 19:53:18,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:18,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513672890] [2024-09-12 19:53:18,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:18,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:19,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:19,008 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 19:53:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:19,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:19,012 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:19,013 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-09-12 19:53:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:19,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:19,137 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:19,138 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:53:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:19,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 19:53:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 452 proven. 267 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-09-12 19:53:19,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:19,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513672890] [2024-09-12 19:53:19,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513672890] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:19,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946707764] [2024-09-12 19:53:19,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:19,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:19,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:19,146 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 19:53:19,148 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 19:53:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:19,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-09-12 19:53:19,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 459 proven. 270 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-12 19:53:19,386 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:20,009 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 459 proven. 270 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-12 19:53:20,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946707764] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:20,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:20,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 48 [2024-09-12 19:53:20,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965644654] [2024-09-12 19:53:20,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:20,011 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-09-12 19:53:20,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:20,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-09-12 19:53:20,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=2005, Unknown=0, NotChecked=0, Total=2256 [2024-09-12 19:53:20,012 INFO L87 Difference]: Start difference. First operand 2496 states and 3030 transitions. Second operand has 48 states, 47 states have (on average 3.4680851063829787) internal successors, (163), 30 states have internal predecessors, (163), 25 states have call successors, (33), 19 states have call predecessors, (33), 3 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) [2024-09-12 19:53:21,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:21,506 INFO L93 Difference]: Finished difference Result 5179 states and 6256 transitions. [2024-09-12 19:53:21,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-09-12 19:53:21,507 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 3.4680851063829787) internal successors, (163), 30 states have internal predecessors, (163), 25 states have call successors, (33), 19 states have call predecessors, (33), 3 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) Word has length 186 [2024-09-12 19:53:21,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:21,521 INFO L225 Difference]: With dead ends: 5179 [2024-09-12 19:53:21,521 INFO L226 Difference]: Without dead ends: 2834 [2024-09-12 19:53:21,528 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 369 SyntacticMatches, 39 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4487 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1675, Invalid=9667, Unknown=0, NotChecked=0, Total=11342 [2024-09-12 19:53:21,529 INFO L434 NwaCegarLoop]: 44 mSDtfsCounter, 1151 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1152 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:21,529 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1152 Valid, 804 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-09-12 19:53:21,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2024-09-12 19:53:21,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 2651. [2024-09-12 19:53:21,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2651 states, 2116 states have (on average 1.1535916824196597) internal successors, (2441), 2101 states have internal predecessors, (2441), 337 states have call successors, (337), 165 states have call predecessors, (337), 193 states have return successors, (440), 384 states have call predecessors, (440), 336 states have call successors, (440) [2024-09-12 19:53:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2651 states and 3218 transitions. [2024-09-12 19:53:21,940 INFO L78 Accepts]: Start accepts. Automaton has 2651 states and 3218 transitions. Word has length 186 [2024-09-12 19:53:21,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:21,940 INFO L474 AbstractCegarLoop]: Abstraction has 2651 states and 3218 transitions. [2024-09-12 19:53:21,940 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 3.4680851063829787) internal successors, (163), 30 states have internal predecessors, (163), 25 states have call successors, (33), 19 states have call predecessors, (33), 3 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) [2024-09-12 19:53:21,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:21,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3218 transitions. [2024-09-12 19:53:21,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-09-12 19:53:21,942 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:21,942 INFO L216 NwaCegarLoop]: trace histogram [13, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 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] [2024-09-12 19:53:21,954 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 19:53:22,142 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-09-12 19:53:22,143 INFO L399 AbstractCegarLoop]: === Iteration 26 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:22,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:22,143 INFO L85 PathProgramCache]: Analyzing trace with hash -941256701, now seen corresponding path program 1 times [2024-09-12 19:53:22,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:22,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725441954] [2024-09-12 19:53:22,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:22,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,670 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,671 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-09-12 19:53:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,721 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,768 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:53:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,770 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 19:53:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,771 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-09-12 19:53:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,773 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 437 proven. 199 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-12 19:53:22,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:22,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725441954] [2024-09-12 19:53:22,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725441954] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:22,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016076270] [2024-09-12 19:53:22,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:22,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:22,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:22,775 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 19:53:22,777 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 19:53:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-12 19:53:22,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:23,011 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-09-12 19:53:23,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:23,387 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2024-09-12 19:53:23,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016076270] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:23,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:23,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 9, 11] total 58 [2024-09-12 19:53:23,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977964759] [2024-09-12 19:53:23,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:23,388 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-09-12 19:53:23,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:23,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-09-12 19:53:23,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=3020, Unknown=0, NotChecked=0, Total=3306 [2024-09-12 19:53:23,390 INFO L87 Difference]: Start difference. First operand 2651 states and 3218 transitions. Second operand has 58 states, 57 states have (on average 2.9649122807017543) internal successors, (169), 40 states have internal predecessors, (169), 26 states have call successors, (31), 19 states have call predecessors, (31), 8 states have return successors, (16), 12 states have call predecessors, (16), 8 states have call successors, (16) [2024-09-12 19:53:29,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:29,135 INFO L93 Difference]: Finished difference Result 8491 states and 12256 transitions. [2024-09-12 19:53:29,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2024-09-12 19:53:29,136 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 57 states have (on average 2.9649122807017543) internal successors, (169), 40 states have internal predecessors, (169), 26 states have call successors, (31), 19 states have call predecessors, (31), 8 states have return successors, (16), 12 states have call predecessors, (16), 8 states have call successors, (16) Word has length 168 [2024-09-12 19:53:29,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:29,167 INFO L225 Difference]: With dead ends: 8491 [2024-09-12 19:53:29,167 INFO L226 Difference]: Without dead ends: 5955 [2024-09-12 19:53:29,192 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 413 SyntacticMatches, 3 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29546 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=9232, Invalid=67774, Unknown=0, NotChecked=0, Total=77006 [2024-09-12 19:53:29,193 INFO L434 NwaCegarLoop]: 42 mSDtfsCounter, 1357 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 4381 mSolverCounterSat, 618 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 4999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 618 IncrementalHoareTripleChecker+Valid, 4381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:29,194 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 1213 Invalid, 4999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [618 Valid, 4381 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-09-12 19:53:29,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5955 states. [2024-09-12 19:53:29,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5955 to 4846. [2024-09-12 19:53:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4846 states, 3857 states have (on average 1.1485610578169563) internal successors, (4430), 3787 states have internal predecessors, (4430), 557 states have call successors, (557), 165 states have call predecessors, (557), 427 states have return successors, (1571), 893 states have call predecessors, (1571), 556 states have call successors, (1571) [2024-09-12 19:53:29,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 6558 transitions. [2024-09-12 19:53:29,921 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 6558 transitions. Word has length 168 [2024-09-12 19:53:29,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:29,922 INFO L474 AbstractCegarLoop]: Abstraction has 4846 states and 6558 transitions. [2024-09-12 19:53:29,922 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 57 states have (on average 2.9649122807017543) internal successors, (169), 40 states have internal predecessors, (169), 26 states have call successors, (31), 19 states have call predecessors, (31), 8 states have return successors, (16), 12 states have call predecessors, (16), 8 states have call successors, (16) [2024-09-12 19:53:29,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:29,922 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 6558 transitions. [2024-09-12 19:53:29,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-09-12 19:53:29,923 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:29,923 INFO L216 NwaCegarLoop]: trace histogram [13, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 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] [2024-09-12 19:53:29,935 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-09-12 19:53:30,123 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-09-12 19:53:30,124 INFO L399 AbstractCegarLoop]: === Iteration 27 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:30,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:30,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1365232080, now seen corresponding path program 1 times [2024-09-12 19:53:30,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:30,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549258257] [2024-09-12 19:53:30,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:30,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:30,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:30,283 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-09-12 19:53:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:30,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:30,336 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:30,349 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:30,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:30,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-09-12 19:53:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:30,380 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:30,383 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2024-09-12 19:53:30,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:30,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549258257] [2024-09-12 19:53:30,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549258257] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:30,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826901128] [2024-09-12 19:53:30,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:30,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:30,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:30,397 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 19:53:30,398 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 19:53:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:30,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-12 19:53:30,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2024-09-12 19:53:30,549 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2024-09-12 19:53:30,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826901128] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:30,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:30,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 15] total 28 [2024-09-12 19:53:30,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841361503] [2024-09-12 19:53:30,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:30,886 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-12 19:53:30,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:30,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-12 19:53:30,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2024-09-12 19:53:30,887 INFO L87 Difference]: Start difference. First operand 4846 states and 6558 transitions. Second operand has 29 states, 28 states have (on average 2.8214285714285716) internal successors, (79), 29 states have internal predecessors, (79), 7 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (18), 17 states have call predecessors, (18), 7 states have call successors, (18) [2024-09-12 19:53:32,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:32,520 INFO L93 Difference]: Finished difference Result 9121 states and 14604 transitions. [2024-09-12 19:53:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-12 19:53:32,520 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.8214285714285716) internal successors, (79), 29 states have internal predecessors, (79), 7 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (18), 17 states have call predecessors, (18), 7 states have call successors, (18) Word has length 182 [2024-09-12 19:53:32,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:32,555 INFO L225 Difference]: With dead ends: 9121 [2024-09-12 19:53:32,555 INFO L226 Difference]: Without dead ends: 9119 [2024-09-12 19:53:32,560 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 366 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=213, Invalid=1269, Unknown=0, NotChecked=0, Total=1482 [2024-09-12 19:53:32,561 INFO L434 NwaCegarLoop]: 50 mSDtfsCounter, 28 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:32,561 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 571 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:53:32,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9119 states. [2024-09-12 19:53:33,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9119 to 7663. [2024-09-12 19:53:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7663 states, 6094 states have (on average 1.1389891696750902) internal successors, (6941), 5938 states have internal predecessors, (6941), 821 states have call successors, (821), 165 states have call predecessors, (821), 743 states have return successors, (4060), 1559 states have call predecessors, (4060), 820 states have call successors, (4060) [2024-09-12 19:53:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7663 states to 7663 states and 11822 transitions. [2024-09-12 19:53:33,791 INFO L78 Accepts]: Start accepts. Automaton has 7663 states and 11822 transitions. Word has length 182 [2024-09-12 19:53:33,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:33,791 INFO L474 AbstractCegarLoop]: Abstraction has 7663 states and 11822 transitions. [2024-09-12 19:53:33,792 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.8214285714285716) internal successors, (79), 29 states have internal predecessors, (79), 7 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (18), 17 states have call predecessors, (18), 7 states have call successors, (18) [2024-09-12 19:53:33,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 7663 states and 11822 transitions. [2024-09-12 19:53:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-09-12 19:53:33,793 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:33,793 INFO L216 NwaCegarLoop]: trace histogram [13, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 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 19:53:33,805 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-09-12 19:53:33,993 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-09-12 19:53:33,993 INFO L399 AbstractCegarLoop]: === Iteration 28 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:33,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:33,994 INFO L85 PathProgramCache]: Analyzing trace with hash 627478579, now seen corresponding path program 1 times [2024-09-12 19:53:33,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:33,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942541249] [2024-09-12 19:53:33,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:33,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:34,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:34,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-09-12 19:53:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:34,140 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:34,164 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:34,173 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:34,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:34,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-09-12 19:53:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:34,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:34,275 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 13 proven. 13 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2024-09-12 19:53:34,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:34,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942541249] [2024-09-12 19:53:34,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942541249] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:34,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931715915] [2024-09-12 19:53:34,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:34,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:34,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:34,287 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 19:53:34,287 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 19:53:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:34,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-12 19:53:34,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 13 proven. 13 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2024-09-12 19:53:34,437 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:34,787 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2024-09-12 19:53:34,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931715915] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:34,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:34,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 16] total 26 [2024-09-12 19:53:34,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784858993] [2024-09-12 19:53:34,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:34,788 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-12 19:53:34,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:34,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-12 19:53:34,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2024-09-12 19:53:34,789 INFO L87 Difference]: Start difference. First operand 7663 states and 11822 transitions. Second operand has 27 states, 26 states have (on average 2.923076923076923) internal successors, (76), 27 states have internal predecessors, (76), 7 states have call successors, (11), 1 states have call predecessors, (11), 9 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) [2024-09-12 19:53:36,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:36,602 INFO L93 Difference]: Finished difference Result 9425 states and 15634 transitions. [2024-09-12 19:53:36,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-12 19:53:36,603 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.923076923076923) internal successors, (76), 27 states have internal predecessors, (76), 7 states have call successors, (11), 1 states have call predecessors, (11), 9 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) Word has length 183 [2024-09-12 19:53:36,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:36,642 INFO L225 Difference]: With dead ends: 9425 [2024-09-12 19:53:36,642 INFO L226 Difference]: Without dead ends: 9423 [2024-09-12 19:53:36,646 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 368 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=844, Unknown=0, NotChecked=0, Total=992 [2024-09-12 19:53:36,647 INFO L434 NwaCegarLoop]: 41 mSDtfsCounter, 14 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:36,647 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 482 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:53:36,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9423 states. [2024-09-12 19:53:37,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9423 to 8237. [2024-09-12 19:53:37,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8237 states, 6573 states have (on average 1.1299254526091587) internal successors, (7427), 6364 states have internal predecessors, (7427), 869 states have call successors, (869), 165 states have call predecessors, (869), 790 states have return successors, (4720), 1707 states have call predecessors, (4720), 868 states have call successors, (4720) [2024-09-12 19:53:38,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8237 states to 8237 states and 13016 transitions. [2024-09-12 19:53:38,013 INFO L78 Accepts]: Start accepts. Automaton has 8237 states and 13016 transitions. Word has length 183 [2024-09-12 19:53:38,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:38,013 INFO L474 AbstractCegarLoop]: Abstraction has 8237 states and 13016 transitions. [2024-09-12 19:53:38,013 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.923076923076923) internal successors, (76), 27 states have internal predecessors, (76), 7 states have call successors, (11), 1 states have call predecessors, (11), 9 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) [2024-09-12 19:53:38,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 8237 states and 13016 transitions. [2024-09-12 19:53:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-09-12 19:53:38,015 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:38,015 INFO L216 NwaCegarLoop]: trace histogram [18, 16, 14, 13, 13, 13, 13, 12, 11, 11, 11, 11, 10, 8, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:53:38,027 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 19:53:38,215 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,17 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:38,215 INFO L399 AbstractCegarLoop]: === Iteration 29 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:38,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:38,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1712544619, now seen corresponding path program 1 times [2024-09-12 19:53:38,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:38,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755872450] [2024-09-12 19:53:38,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:38,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:38,808 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:38,809 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 19:53:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:38,866 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:38,932 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:38,995 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,016 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,018 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,020 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,071 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:53:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,096 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 19:53:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,097 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-09-12 19:53:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:53:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 19:53:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-09-12 19:53:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 405 proven. 746 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-09-12 19:53:39,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:39,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755872450] [2024-09-12 19:53:39,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755872450] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:39,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569777393] [2024-09-12 19:53:39,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:39,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:39,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:39,114 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 19:53:39,115 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 19:53:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-12 19:53:39,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:39,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 101 proven. 906 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-09-12 19:53:39,940 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:40,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 101 proven. 906 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-09-12 19:53:40,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569777393] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:40,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:40,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 39, 39] total 83 [2024-09-12 19:53:40,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711324533] [2024-09-12 19:53:40,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:40,866 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-09-12 19:53:40,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:40,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-09-12 19:53:40,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=512, Invalid=6294, Unknown=0, NotChecked=0, Total=6806 [2024-09-12 19:53:40,868 INFO L87 Difference]: Start difference. First operand 8237 states and 13016 transitions. Second operand has 83 states, 81 states have (on average 3.259259259259259) internal successors, (264), 51 states have internal predecessors, (264), 44 states have call successors, (53), 33 states have call predecessors, (53), 6 states have return successors, (22), 10 states have call predecessors, (22), 12 states have call successors, (22) [2024-09-12 19:53:44,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:44,692 INFO L93 Difference]: Finished difference Result 11435 states and 18725 transitions. [2024-09-12 19:53:44,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-09-12 19:53:44,693 INFO L78 Accepts]: Start accepts. Automaton has has 83 states, 81 states have (on average 3.259259259259259) internal successors, (264), 51 states have internal predecessors, (264), 44 states have call successors, (53), 33 states have call predecessors, (53), 6 states have return successors, (22), 10 states have call predecessors, (22), 12 states have call successors, (22) Word has length 270 [2024-09-12 19:53:44,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:44,723 INFO L225 Difference]: With dead ends: 11435 [2024-09-12 19:53:44,723 INFO L226 Difference]: Without dead ends: 3267 [2024-09-12 19:53:44,793 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 772 GetRequests, 552 SyntacticMatches, 35 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13875 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=2734, Invalid=32048, Unknown=0, NotChecked=0, Total=34782 [2024-09-12 19:53:44,794 INFO L434 NwaCegarLoop]: 151 mSDtfsCounter, 4384 mSDsluCounter, 3313 mSDsCounter, 0 mSdLazyCounter, 4373 mSolverCounterSat, 1464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4385 SdHoareTripleChecker+Valid, 3464 SdHoareTripleChecker+Invalid, 5837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1464 IncrementalHoareTripleChecker+Valid, 4373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:44,794 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4385 Valid, 3464 Invalid, 5837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1464 Valid, 4373 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-09-12 19:53:44,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3267 states. [2024-09-12 19:53:45,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3267 to 2638. [2024-09-12 19:53:45,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 2100 states have (on average 1.0723809523809524) internal successors, (2252), 2095 states have internal predecessors, (2252), 337 states have call successors, (337), 163 states have call predecessors, (337), 198 states have return successors, (400), 379 states have call predecessors, (400), 336 states have call successors, (400) [2024-09-12 19:53:45,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 2989 transitions. [2024-09-12 19:53:45,388 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 2989 transitions. Word has length 270 [2024-09-12 19:53:45,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:45,389 INFO L474 AbstractCegarLoop]: Abstraction has 2638 states and 2989 transitions. [2024-09-12 19:53:45,389 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 81 states have (on average 3.259259259259259) internal successors, (264), 51 states have internal predecessors, (264), 44 states have call successors, (53), 33 states have call predecessors, (53), 6 states have return successors, (22), 10 states have call predecessors, (22), 12 states have call successors, (22) [2024-09-12 19:53:45,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:45,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 2989 transitions. [2024-09-12 19:53:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-09-12 19:53:45,390 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:45,390 INFO L216 NwaCegarLoop]: trace histogram [16, 14, 14, 13, 11, 11, 11, 11, 11, 11, 11, 11, 8, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:53:45,403 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-09-12 19:53:45,590 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-09-12 19:53:45,590 INFO L399 AbstractCegarLoop]: === Iteration 30 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:45,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:45,591 INFO L85 PathProgramCache]: Analyzing trace with hash 870711531, now seen corresponding path program 1 times [2024-09-12 19:53:45,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:45,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217846121] [2024-09-12 19:53:45,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:45,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:45,820 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:45,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-12 19:53:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:45,865 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:45,902 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:45,927 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:45,936 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:45,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:45,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:45,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:45,972 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:45,985 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-09-12 19:53:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:46,025 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:46,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:46,037 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:46,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:46,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 45 proven. 59 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2024-09-12 19:53:46,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:46,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217846121] [2024-09-12 19:53:46,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217846121] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:46,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115962389] [2024-09-12 19:53:46,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:46,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:46,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:46,046 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 19:53:46,047 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 19:53:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:46,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-12 19:53:46,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:46,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 45 proven. 59 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2024-09-12 19:53:46,289 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:47,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 74 proven. 54 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2024-09-12 19:53:47,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115962389] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:47,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:47,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 22] total 36 [2024-09-12 19:53:47,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932083061] [2024-09-12 19:53:47,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:47,098 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-09-12 19:53:47,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:47,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-09-12 19:53:47,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1152, Unknown=0, NotChecked=0, Total=1332 [2024-09-12 19:53:47,099 INFO L87 Difference]: Start difference. First operand 2638 states and 2989 transitions. Second operand has 37 states, 36 states have (on average 2.7777777777777777) internal successors, (100), 37 states have internal predecessors, (100), 9 states have call successors, (13), 1 states have call predecessors, (13), 12 states have return successors, (25), 25 states have call predecessors, (25), 9 states have call successors, (25) [2024-09-12 19:53:47,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:47,596 INFO L93 Difference]: Finished difference Result 2736 states and 3126 transitions. [2024-09-12 19:53:47,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-12 19:53:47,596 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 2.7777777777777777) internal successors, (100), 37 states have internal predecessors, (100), 9 states have call successors, (13), 1 states have call predecessors, (13), 12 states have return successors, (25), 25 states have call predecessors, (25), 9 states have call successors, (25) Word has length 236 [2024-09-12 19:53:47,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:47,610 INFO L225 Difference]: With dead ends: 2736 [2024-09-12 19:53:47,610 INFO L226 Difference]: Without dead ends: 2734 [2024-09-12 19:53:47,612 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 479 SyntacticMatches, 16 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 916 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=207, Invalid=1353, Unknown=0, NotChecked=0, Total=1560 [2024-09-12 19:53:47,612 INFO L434 NwaCegarLoop]: 41 mSDtfsCounter, 10 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:47,612 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 525 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:53:47,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2734 states. [2024-09-12 19:53:47,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2734 to 2677. [2024-09-12 19:53:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2677 states, 2131 states have (on average 1.0652275926794932) internal successors, (2270), 2125 states have internal predecessors, (2270), 341 states have call successors, (341), 163 states have call predecessors, (341), 202 states have return successors, (413), 388 states have call predecessors, (413), 340 states have call successors, (413) [2024-09-12 19:53:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 3024 transitions. [2024-09-12 19:53:48,015 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 3024 transitions. Word has length 236 [2024-09-12 19:53:48,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:48,016 INFO L474 AbstractCegarLoop]: Abstraction has 2677 states and 3024 transitions. [2024-09-12 19:53:48,016 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 2.7777777777777777) internal successors, (100), 37 states have internal predecessors, (100), 9 states have call successors, (13), 1 states have call predecessors, (13), 12 states have return successors, (25), 25 states have call predecessors, (25), 9 states have call successors, (25) [2024-09-12 19:53:48,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:48,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3024 transitions. [2024-09-12 19:53:48,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-09-12 19:53:48,017 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:48,018 INFO L216 NwaCegarLoop]: trace histogram [20, 17, 17, 16, 13, 13, 13, 13, 12, 12, 12, 12, 12, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:53:48,031 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-09-12 19:53:48,221 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:48,223 INFO L399 AbstractCegarLoop]: === Iteration 31 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:48,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:48,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1472432944, now seen corresponding path program 2 times [2024-09-12 19:53:48,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:48,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362958839] [2024-09-12 19:53:48,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:48,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 19:53:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,742 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,747 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,750 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,753 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,754 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,755 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,759 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,761 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,761 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,762 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,763 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-09-12 19:53:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,793 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,852 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,922 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,925 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1737 backedges. 246 proven. 1000 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2024-09-12 19:53:48,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:48,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362958839] [2024-09-12 19:53:48,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362958839] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:48,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951664658] [2024-09-12 19:53:48,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 19:53:48,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:48,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:48,947 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 19:53:48,949 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 19:53:49,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 19:53:49,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:53:49,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-09-12 19:53:49,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1737 backedges. 109 proven. 172 refuted. 0 times theorem prover too weak. 1456 trivial. 0 not checked. [2024-09-12 19:53:49,607 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1737 backedges. 170 proven. 151 refuted. 0 times theorem prover too weak. 1416 trivial. 0 not checked. [2024-09-12 19:53:51,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951664658] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:51,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:51,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 24, 28] total 83 [2024-09-12 19:53:51,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881276723] [2024-09-12 19:53:51,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:51,933 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-09-12 19:53:51,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:51,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-09-12 19:53:51,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=445, Invalid=6361, Unknown=0, NotChecked=0, Total=6806 [2024-09-12 19:53:51,935 INFO L87 Difference]: Start difference. First operand 2677 states and 3024 transitions. Second operand has 83 states, 82 states have (on average 2.9878048780487805) internal successors, (245), 68 states have internal predecessors, (245), 32 states have call successors, (40), 16 states have call predecessors, (40), 19 states have return successors, (40), 35 states have call predecessors, (40), 17 states have call successors, (40) [2024-09-12 19:53:54,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:54,523 INFO L93 Difference]: Finished difference Result 4958 states and 5811 transitions. [2024-09-12 19:53:54,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-09-12 19:53:54,524 INFO L78 Accepts]: Start accepts. Automaton has has 83 states, 82 states have (on average 2.9878048780487805) internal successors, (245), 68 states have internal predecessors, (245), 32 states have call successors, (40), 16 states have call predecessors, (40), 19 states have return successors, (40), 35 states have call predecessors, (40), 17 states have call successors, (40) Word has length 309 [2024-09-12 19:53:54,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:54,542 INFO L225 Difference]: With dead ends: 4958 [2024-09-12 19:53:54,542 INFO L226 Difference]: Without dead ends: 2411 [2024-09-12 19:53:54,553 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 615 SyntacticMatches, 23 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6246 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1196, Invalid=16626, Unknown=0, NotChecked=0, Total=17822 [2024-09-12 19:53:54,553 INFO L434 NwaCegarLoop]: 126 mSDtfsCounter, 588 mSDsluCounter, 2972 mSDsCounter, 0 mSdLazyCounter, 4514 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 3098 SdHoareTripleChecker+Invalid, 4705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 4514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:54,553 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 3098 Invalid, 4705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 4514 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-09-12 19:53:54,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2411 states. [2024-09-12 19:53:54,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2411 to 2314. [2024-09-12 19:53:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 1842 states have (on average 1.0586319218241043) internal successors, (1950), 1847 states have internal predecessors, (1950), 301 states have call successors, (301), 163 states have call predecessors, (301), 168 states have return successors, (316), 303 states have call predecessors, (316), 300 states have call successors, (316) [2024-09-12 19:53:54,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 2567 transitions. [2024-09-12 19:53:54,919 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 2567 transitions. Word has length 309 [2024-09-12 19:53:54,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:54,919 INFO L474 AbstractCegarLoop]: Abstraction has 2314 states and 2567 transitions. [2024-09-12 19:53:54,920 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 82 states have (on average 2.9878048780487805) internal successors, (245), 68 states have internal predecessors, (245), 32 states have call successors, (40), 16 states have call predecessors, (40), 19 states have return successors, (40), 35 states have call predecessors, (40), 17 states have call successors, (40) [2024-09-12 19:53:54,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:54,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2567 transitions. [2024-09-12 19:53:54,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2024-09-12 19:53:54,921 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:54,921 INFO L216 NwaCegarLoop]: trace histogram [27, 25, 23, 22, 20, 18, 16, 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:53:54,934 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 19:53:55,122 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:55,122 INFO L399 AbstractCegarLoop]: === Iteration 32 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:55,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:55,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1537318773, now seen corresponding path program 2 times [2024-09-12 19:53:55,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:55,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382342067] [2024-09-12 19:53:55,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:55,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,662 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,664 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-09-12 19:53:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,691 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,703 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,709 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,712 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,714 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,716 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,718 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,719 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,720 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,723 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,725 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,726 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,726 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,727 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:53:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,732 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,735 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,737 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,739 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,740 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,742 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,743 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-09-12 19:53:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,793 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,840 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,845 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,847 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,848 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,849 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,850 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,932 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,976 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,999 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:56,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 594 proven. 1421 refuted. 0 times theorem prover too weak. 1744 trivial. 0 not checked. [2024-09-12 19:53:56,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:56,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382342067] [2024-09-12 19:53:56,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382342067] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:56,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417776139] [2024-09-12 19:53:56,003 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 19:53:56,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:56,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:56,004 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 19:53:56,006 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 19:53:56,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 19:53:56,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:53:56,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-09-12 19:53:56,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:56,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 393 proven. 1412 refuted. 0 times theorem prover too weak. 1954 trivial. 0 not checked. [2024-09-12 19:53:56,286 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 393 proven. 1414 refuted. 0 times theorem prover too weak. 1952 trivial. 0 not checked. [2024-09-12 19:53:56,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417776139] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:56,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:56,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 36, 37] total 47 [2024-09-12 19:53:56,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556795934] [2024-09-12 19:53:56,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:56,986 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-09-12 19:53:56,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:56,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-09-12 19:53:56,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=246, Invalid=1916, Unknown=0, NotChecked=0, Total=2162 [2024-09-12 19:53:56,987 INFO L87 Difference]: Start difference. First operand 2314 states and 2567 transitions. Second operand has 47 states, 46 states have (on average 4.0) internal successors, (184), 33 states have internal predecessors, (184), 25 states have call successors, (35), 15 states have call predecessors, (35), 7 states have return successors, (23), 13 states have call predecessors, (23), 11 states have call successors, (23) [2024-09-12 19:53:58,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:58,259 INFO L93 Difference]: Finished difference Result 4743 states and 5497 transitions. [2024-09-12 19:53:58,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-12 19:53:58,259 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 4.0) internal successors, (184), 33 states have internal predecessors, (184), 25 states have call successors, (35), 15 states have call predecessors, (35), 7 states have return successors, (23), 13 states have call predecessors, (23), 11 states have call successors, (23) Word has length 460 [2024-09-12 19:53:58,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:58,275 INFO L225 Difference]: With dead ends: 4743 [2024-09-12 19:53:58,276 INFO L226 Difference]: Without dead ends: 2597 [2024-09-12 19:53:58,282 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1071 GetRequests, 975 SyntacticMatches, 32 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1660 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=570, Invalid=3720, Unknown=0, NotChecked=0, Total=4290 [2024-09-12 19:53:58,282 INFO L434 NwaCegarLoop]: 139 mSDtfsCounter, 476 mSDsluCounter, 1913 mSDsCounter, 0 mSdLazyCounter, 1874 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 2013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:58,282 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 2052 Invalid, 2013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1874 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-09-12 19:53:58,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2597 states. [2024-09-12 19:53:58,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2597 to 2415. [2024-09-12 19:53:58,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2415 states, 1923 states have (on average 1.0566822672906917) internal successors, (2032), 1926 states have internal predecessors, (2032), 313 states have call successors, (313), 169 states have call predecessors, (313), 176 states have return successors, (341), 319 states have call predecessors, (341), 312 states have call successors, (341) [2024-09-12 19:53:58,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2415 states and 2686 transitions. [2024-09-12 19:53:58,638 INFO L78 Accepts]: Start accepts. Automaton has 2415 states and 2686 transitions. Word has length 460 [2024-09-12 19:53:58,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:58,638 INFO L474 AbstractCegarLoop]: Abstraction has 2415 states and 2686 transitions. [2024-09-12 19:53:58,638 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 4.0) internal successors, (184), 33 states have internal predecessors, (184), 25 states have call successors, (35), 15 states have call predecessors, (35), 7 states have return successors, (23), 13 states have call predecessors, (23), 11 states have call successors, (23) [2024-09-12 19:53:58,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2415 states and 2686 transitions. [2024-09-12 19:53:58,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-09-12 19:53:58,640 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:58,640 INFO L216 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 20, 20, 17, 17, 17, 17, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:53:58,654 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 19:53:58,842 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-09-12 19:53:58,843 INFO L399 AbstractCegarLoop]: === Iteration 33 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:58,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:58,843 INFO L85 PathProgramCache]: Analyzing trace with hash 411284533, now seen corresponding path program 3 times [2024-09-12 19:53:58,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:58,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109863860] [2024-09-12 19:53:58,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:58,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:59,755 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:59,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-09-12 19:53:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,089 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,176 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,212 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,224 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,236 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,263 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,313 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,322 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,325 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,328 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,331 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,389 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,406 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,419 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,437 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-09-12 19:54:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,546 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,611 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,614 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,619 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,622 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,631 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,634 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,636 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,650 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,660 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,662 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4068 backedges. 432 proven. 525 refuted. 0 times theorem prover too weak. 3111 trivial. 0 not checked. [2024-09-12 19:54:00,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:54:00,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109863860] [2024-09-12 19:54:00,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109863860] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:54:00,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973345002] [2024-09-12 19:54:00,670 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-12 19:54:00,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:54:00,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:54:00,671 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 19:54:00,672 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 19:54:00,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-09-12 19:54:00,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:54:00,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-09-12 19:54:00,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:54:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4068 backedges. 432 proven. 525 refuted. 0 times theorem prover too weak. 3111 trivial. 0 not checked. [2024-09-12 19:54:01,169 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:54:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4068 backedges. 585 proven. 468 refuted. 0 times theorem prover too weak. 3015 trivial. 0 not checked. [2024-09-12 19:54:06,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973345002] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:54:06,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:54:06,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 37] total 58 [2024-09-12 19:54:06,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373137950] [2024-09-12 19:54:06,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:54:06,135 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-09-12 19:54:06,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:54:06,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-09-12 19:54:06,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=3007, Unknown=0, NotChecked=0, Total=3422 [2024-09-12 19:54:06,136 INFO L87 Difference]: Start difference. First operand 2415 states and 2686 transitions. Second operand has 59 states, 58 states have (on average 2.6551724137931036) internal successors, (154), 59 states have internal predecessors, (154), 15 states have call successors, (19), 1 states have call predecessors, (19), 18 states have return successors, (41), 41 states have call predecessors, (41), 15 states have call successors, (41) [2024-09-12 19:54:06,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:54:06,614 INFO L93 Difference]: Finished difference Result 2417 states and 2686 transitions. [2024-09-12 19:54:06,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-12 19:54:06,614 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 2.6551724137931036) internal successors, (154), 59 states have internal predecessors, (154), 15 states have call successors, (19), 1 states have call predecessors, (19), 18 states have return successors, (41), 41 states have call predecessors, (41), 15 states have call successors, (41) Word has length 479 [2024-09-12 19:54:06,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:54:06,627 INFO L225 Difference]: With dead ends: 2417 [2024-09-12 19:54:06,628 INFO L226 Difference]: Without dead ends: 2415 [2024-09-12 19:54:06,629 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1121 GetRequests, 1001 SyntacticMatches, 62 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4492 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=426, Invalid=3114, Unknown=0, NotChecked=0, Total=3540 [2024-09-12 19:54:06,629 INFO L434 NwaCegarLoop]: 41 mSDtfsCounter, 6 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:54:06,629 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 699 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:54:06,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2024-09-12 19:54:06,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 2415. [2024-09-12 19:54:06,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2415 states, 1923 states have (on average 1.0504420176807072) internal successors, (2020), 1926 states have internal predecessors, (2020), 313 states have call successors, (313), 169 states have call predecessors, (313), 176 states have return successors, (341), 319 states have call predecessors, (341), 312 states have call successors, (341) [2024-09-12 19:54:06,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2415 states and 2674 transitions. [2024-09-12 19:54:06,998 INFO L78 Accepts]: Start accepts. Automaton has 2415 states and 2674 transitions. Word has length 479 [2024-09-12 19:54:06,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:54:06,998 INFO L474 AbstractCegarLoop]: Abstraction has 2415 states and 2674 transitions. [2024-09-12 19:54:06,999 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 2.6551724137931036) internal successors, (154), 59 states have internal predecessors, (154), 15 states have call successors, (19), 1 states have call predecessors, (19), 18 states have return successors, (41), 41 states have call predecessors, (41), 15 states have call successors, (41) [2024-09-12 19:54:06,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:06,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2415 states and 2674 transitions. [2024-09-12 19:54:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2024-09-12 19:54:07,002 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:54:07,002 INFO L216 NwaCegarLoop]: trace histogram [46, 40, 39, 36, 33, 32, 26, 26, 26, 26, 22, 22, 22, 22, 20, 20, 20, 20, 20, 20, 20, 20, 19, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 10, 7, 6, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:54:07,016 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 19:54:07,206 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,22 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:54:07,207 INFO L399 AbstractCegarLoop]: === Iteration 34 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:54:07,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:07,208 INFO L85 PathProgramCache]: Analyzing trace with hash 810825943, now seen corresponding path program 3 times [2024-09-12 19:54:07,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:54:07,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662263793] [2024-09-12 19:54:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:54:07,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:54:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:07,958 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:54:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:07,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-09-12 19:54:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,243 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,297 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,344 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,381 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,398 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,436 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,483 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,485 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,486 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,502 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 19:54:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,503 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-09-12 19:54:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,510 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,513 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,516 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,518 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,519 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,519 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 19:54:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,520 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-09-12 19:54:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,522 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,522 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-09-12 19:54:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,533 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,539 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,543 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,548 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,548 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 19:54:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,549 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-09-12 19:54:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,551 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,551 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,552 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-09-12 19:54:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,554 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,556 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,557 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,557 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,558 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-09-12 19:54:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,578 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,594 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,598 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,600 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,602 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,603 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,603 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,604 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 19:54:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,605 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-09-12 19:54:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,606 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-09-12 19:54:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,611 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,612 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,613 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,613 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-09-12 19:54:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,620 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,622 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,622 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,623 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 19:54:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 11100 backedges. 613 proven. 3835 refuted. 0 times theorem prover too weak. 6652 trivial. 0 not checked. [2024-09-12 19:54:08,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:54:08,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662263793] [2024-09-12 19:54:08,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662263793] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:54:08,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27075368] [2024-09-12 19:54:08,627 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-12 19:54:08,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:54:08,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:54:08,628 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 19:54:08,629 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 19:54:08,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-09-12 19:54:08,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:54:08,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-12 19:54:08,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:54:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 11100 backedges. 1225 proven. 28 refuted. 0 times theorem prover too weak. 9847 trivial. 0 not checked. [2024-09-12 19:54:08,941 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:54:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 11100 backedges. 1225 proven. 28 refuted. 0 times theorem prover too weak. 9847 trivial. 0 not checked. [2024-09-12 19:54:09,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27075368] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:54:09,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:54:09,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 11, 11] total 57 [2024-09-12 19:54:09,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431029943] [2024-09-12 19:54:09,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:54:09,876 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-09-12 19:54:09,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:54:09,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-09-12 19:54:09,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=348, Invalid=2844, Unknown=0, NotChecked=0, Total=3192 [2024-09-12 19:54:09,877 INFO L87 Difference]: Start difference. First operand 2415 states and 2674 transitions. Second operand has 57 states, 56 states have (on average 3.8035714285714284) internal successors, (213), 44 states have internal predecessors, (213), 31 states have call successors, (39), 14 states have call predecessors, (39), 12 states have return successors, (32), 15 states have call predecessors, (32), 18 states have call successors, (32) [2024-09-12 19:54:11,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:54:11,370 INFO L93 Difference]: Finished difference Result 4840 states and 5622 transitions. [2024-09-12 19:54:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-09-12 19:54:11,371 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 3.8035714285714284) internal successors, (213), 44 states have internal predecessors, (213), 31 states have call successors, (39), 14 states have call predecessors, (39), 12 states have return successors, (32), 15 states have call predecessors, (32), 18 states have call successors, (32) Word has length 785 [2024-09-12 19:54:11,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:54:11,388 INFO L225 Difference]: With dead ends: 4840 [2024-09-12 19:54:11,388 INFO L226 Difference]: Without dead ends: 2505 [2024-09-12 19:54:11,397 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1829 GetRequests, 1715 SyntacticMatches, 5 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3851 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1809, Invalid=10401, Unknown=0, NotChecked=0, Total=12210 [2024-09-12 19:54:11,397 INFO L434 NwaCegarLoop]: 47 mSDtfsCounter, 876 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 1931 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 2234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 1931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-09-12 19:54:11,398 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 828 Invalid, 2234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 1931 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-09-12 19:54:11,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2024-09-12 19:54:11,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2345. [2024-09-12 19:54:11,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2345 states, 1876 states have (on average 1.0511727078891258) internal successors, (1972), 1865 states have internal predecessors, (1972), 299 states have call successors, (299), 184 states have call predecessors, (299), 167 states have return successors, (305), 295 states have call predecessors, (305), 298 states have call successors, (305) [2024-09-12 19:54:11,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2345 states and 2576 transitions. [2024-09-12 19:54:11,814 INFO L78 Accepts]: Start accepts. Automaton has 2345 states and 2576 transitions. Word has length 785 [2024-09-12 19:54:11,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:54:11,814 INFO L474 AbstractCegarLoop]: Abstraction has 2345 states and 2576 transitions. [2024-09-12 19:54:11,814 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 3.8035714285714284) internal successors, (213), 44 states have internal predecessors, (213), 31 states have call successors, (39), 14 states have call predecessors, (39), 12 states have return successors, (32), 15 states have call predecessors, (32), 18 states have call successors, (32) [2024-09-12 19:54:11,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 2576 transitions. [2024-09-12 19:54:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2024-09-12 19:54:11,817 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:54:11,817 INFO L216 NwaCegarLoop]: trace histogram [40, 39, 34, 33, 33, 32, 23, 23, 23, 23, 22, 22, 22, 22, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 11, 10, 7, 6, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:54:11,830 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-09-12 19:54:12,018 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-09-12 19:54:12,018 INFO L399 AbstractCegarLoop]: === Iteration 35 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:54:12,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:12,018 INFO L85 PathProgramCache]: Analyzing trace with hash -554221855, now seen corresponding path program 4 times [2024-09-12 19:54:12,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:54:12,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086961058] [2024-09-12 19:54:12,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:54:12,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:54:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:54:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-09-12 19:54:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,541 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,713 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,791 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,835 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,873 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,909 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,922 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,956 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,967 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:14,997 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,009 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,065 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,078 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,088 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,090 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,101 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,103 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:54:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,212 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,249 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,272 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,275 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,280 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,292 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,295 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,312 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,322 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,324 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,329 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,333 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2024-09-12 19:54:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,617 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,648 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,661 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,669 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,688 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,690 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,692 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,714 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,717 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,719 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,721 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,754 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,768 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,777 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,780 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,783 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,785 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,794 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,796 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 9456 backedges. 1237 proven. 1440 refuted. 0 times theorem prover too weak. 6779 trivial. 0 not checked. [2024-09-12 19:54:15,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:54:15,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086961058] [2024-09-12 19:54:15,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086961058] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:54:15,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574065757] [2024-09-12 19:54:15,800 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-12 19:54:15,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:54:15,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:54:15,801 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 19:54:15,803 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 19:54:16,026 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-12 19:54:16,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:54:16,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 1354 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-09-12 19:54:16,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:54:16,504 INFO L134 CoverageAnalysis]: Checked inductivity of 9456 backedges. 1237 proven. 1440 refuted. 0 times theorem prover too weak. 6779 trivial. 0 not checked. [2024-09-12 19:54:16,504 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:54:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 9456 backedges. 1543 proven. 1316 refuted. 0 times theorem prover too weak. 6597 trivial. 0 not checked. [2024-09-12 19:54:29,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574065757] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:54:29,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:54:29,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 46] total 69 [2024-09-12 19:54:29,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669438181] [2024-09-12 19:54:29,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:54:29,428 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-09-12 19:54:29,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:54:29,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-09-12 19:54:29,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=569, Invalid=4261, Unknown=0, NotChecked=0, Total=4830 [2024-09-12 19:54:29,429 INFO L87 Difference]: Start difference. First operand 2345 states and 2576 transitions. Second operand has 70 states, 69 states have (on average 2.6231884057971016) internal successors, (181), 70 states have internal predecessors, (181), 18 states have call successors, (22), 1 states have call predecessors, (22), 21 states have return successors, (49), 49 states have call predecessors, (49), 18 states have call successors, (49) [2024-09-12 19:54:29,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:54:29,892 INFO L93 Difference]: Finished difference Result 2347 states and 2576 transitions. [2024-09-12 19:54:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-09-12 19:54:29,892 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 69 states have (on average 2.6231884057971016) internal successors, (181), 70 states have internal predecessors, (181), 18 states have call successors, (22), 1 states have call predecessors, (22), 21 states have return successors, (49), 49 states have call predecessors, (49), 18 states have call successors, (49) Word has length 728 [2024-09-12 19:54:29,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:54:29,907 INFO L225 Difference]: With dead ends: 2347 [2024-09-12 19:54:29,907 INFO L226 Difference]: Without dead ends: 2345 [2024-09-12 19:54:29,908 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1723 GetRequests, 1543 SyntacticMatches, 111 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8761 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=581, Invalid=4389, Unknown=0, NotChecked=0, Total=4970 [2024-09-12 19:54:29,909 INFO L434 NwaCegarLoop]: 41 mSDtfsCounter, 6 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:54:29,909 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 735 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:54:29,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2024-09-12 19:54:30,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 2345. [2024-09-12 19:54:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2345 states, 1876 states have (on average 1.044776119402985) internal successors, (1960), 1865 states have internal predecessors, (1960), 299 states have call successors, (299), 184 states have call predecessors, (299), 167 states have return successors, (305), 295 states have call predecessors, (305), 298 states have call successors, (305) [2024-09-12 19:54:30,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2345 states and 2564 transitions. [2024-09-12 19:54:30,306 INFO L78 Accepts]: Start accepts. Automaton has 2345 states and 2564 transitions. Word has length 728 [2024-09-12 19:54:30,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:54:30,306 INFO L474 AbstractCegarLoop]: Abstraction has 2345 states and 2564 transitions. [2024-09-12 19:54:30,307 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 69 states have (on average 2.6231884057971016) internal successors, (181), 70 states have internal predecessors, (181), 18 states have call successors, (22), 1 states have call predecessors, (22), 21 states have return successors, (49), 49 states have call predecessors, (49), 18 states have call successors, (49) [2024-09-12 19:54:30,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 2564 transitions. [2024-09-12 19:54:30,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1134 [2024-09-12 19:54:30,315 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:54:30,315 INFO L216 NwaCegarLoop]: trace histogram [60, 60, 54, 54, 50, 48, 33, 33, 33, 33, 32, 32, 32, 32, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 26, 17, 16, 12, 10, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:54:30,330 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-09-12 19:54:30,515 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-09-12 19:54:30,516 INFO L399 AbstractCegarLoop]: === Iteration 36 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:54:30,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:30,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1811384179, now seen corresponding path program 4 times [2024-09-12 19:54:30,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:54:30,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292335474] [2024-09-12 19:54:30,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:54:30,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:54:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,415 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:54:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 19:54:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,503 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,534 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,549 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,557 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,561 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,564 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,565 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,566 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,566 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,567 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,568 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,569 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,570 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,572 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,574 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,574 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,575 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,580 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,583 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,586 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,587 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,589 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,589 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,590 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:54:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,598 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,602 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,605 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,611 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,613 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,615 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,615 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,616 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,617 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-09-12 19:54:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,636 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,645 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,650 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,653 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,655 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,655 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,656 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,657 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,658 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,659 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,660 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,663 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,666 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,667 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,667 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,677 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,677 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,682 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 733 [2024-09-12 19:54:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,828 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,922 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,990 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,021 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,026 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,029 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,030 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,031 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,083 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,084 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:54:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,164 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,201 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,206 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,209 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,266 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,300 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,302 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,303 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 23143 backedges. 3594 proven. 3455 refuted. 0 times theorem prover too weak. 16094 trivial. 0 not checked. [2024-09-12 19:54:32,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:54:32,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292335474] [2024-09-12 19:54:32,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292335474] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:54:32,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116610432] [2024-09-12 19:54:32,319 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-12 19:54:32,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:54:32,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:54:32,321 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 19:54:32,321 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 19:54:32,665 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-12 19:54:32,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:54:32,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-12 19:54:32,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:54:32,778 INFO L134 CoverageAnalysis]: Checked inductivity of 23143 backedges. 1561 proven. 6 refuted. 0 times theorem prover too weak. 21576 trivial. 0 not checked. [2024-09-12 19:54:32,778 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:54:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 23143 backedges. 1561 proven. 6 refuted. 0 times theorem prover too weak. 21576 trivial. 0 not checked. [2024-09-12 19:54:33,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116610432] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:54:33,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:54:33,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 9, 9] total 52 [2024-09-12 19:54:33,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158592769] [2024-09-12 19:54:33,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:54:33,969 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-09-12 19:54:33,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:54:33,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-09-12 19:54:33,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=2342, Unknown=0, NotChecked=0, Total=2652 [2024-09-12 19:54:33,970 INFO L87 Difference]: Start difference. First operand 2345 states and 2564 transitions. Second operand has 52 states, 51 states have (on average 3.8627450980392157) internal successors, (197), 40 states have internal predecessors, (197), 26 states have call successors, (37), 13 states have call predecessors, (37), 10 states have return successors, (30), 18 states have call predecessors, (30), 14 states have call successors, (30) [2024-09-12 19:54:35,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:54:35,210 INFO L93 Difference]: Finished difference Result 4895 states and 5549 transitions. [2024-09-12 19:54:35,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-12 19:54:35,211 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 51 states have (on average 3.8627450980392157) internal successors, (197), 40 states have internal predecessors, (197), 26 states have call successors, (37), 13 states have call predecessors, (37), 10 states have return successors, (30), 18 states have call predecessors, (30), 14 states have call successors, (30) Word has length 1133 [2024-09-12 19:54:35,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:54:35,231 INFO L225 Difference]: With dead ends: 4895 [2024-09-12 19:54:35,231 INFO L226 Difference]: Without dead ends: 2739 [2024-09-12 19:54:35,239 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2562 GetRequests, 2491 SyntacticMatches, 4 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=688, Invalid=4004, Unknown=0, NotChecked=0, Total=4692 [2024-09-12 19:54:35,239 INFO L434 NwaCegarLoop]: 139 mSDtfsCounter, 454 mSDsluCounter, 2070 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 2209 SdHoareTripleChecker+Invalid, 1944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-12 19:54:35,239 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 2209 Invalid, 1944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1814 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-12 19:54:35,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2024-09-12 19:54:35,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2324. [2024-09-12 19:54:35,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2324 states, 1858 states have (on average 1.0403659849300322) internal successors, (1933), 1852 states have internal predecessors, (1933), 299 states have call successors, (299), 179 states have call predecessors, (299), 164 states have return successors, (298), 292 states have call predecessors, (298), 298 states have call successors, (298) [2024-09-12 19:54:35,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 2324 states and 2530 transitions. [2024-09-12 19:54:35,603 INFO L78 Accepts]: Start accepts. Automaton has 2324 states and 2530 transitions. Word has length 1133 [2024-09-12 19:54:35,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:54:35,603 INFO L474 AbstractCegarLoop]: Abstraction has 2324 states and 2530 transitions. [2024-09-12 19:54:35,603 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 3.8627450980392157) internal successors, (197), 40 states have internal predecessors, (197), 26 states have call successors, (37), 13 states have call predecessors, (37), 10 states have return successors, (30), 18 states have call predecessors, (30), 14 states have call successors, (30) [2024-09-12 19:54:35,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 2530 transitions. [2024-09-12 19:54:35,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1135 [2024-09-12 19:54:35,609 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:54:35,609 INFO L216 NwaCegarLoop]: trace histogram [60, 60, 54, 54, 50, 49, 33, 33, 33, 33, 32, 32, 32, 32, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 26, 17, 17, 11, 10, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:54:35,624 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-09-12 19:54:35,813 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-09-12 19:54:35,814 INFO L399 AbstractCegarLoop]: === Iteration 37 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:54:35,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:35,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2140271700, now seen corresponding path program 5 times [2024-09-12 19:54:35,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:54:35,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894116441] [2024-09-12 19:54:35,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:54:35,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:54:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:41,297 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:54:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:41,298 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 19:54:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:42,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:42,835 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,023 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,153 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,187 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,218 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,228 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,239 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,241 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,258 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,302 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,309 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,314 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,316 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,375 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,387 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,394 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,396 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,398 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,411 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:54:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,506 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,534 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,554 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,556 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,558 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,560 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,567 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,569 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,571 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,584 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,593 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,595 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,598 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-09-12 19:54:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,793 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,858 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,886 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,906 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,908 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,910 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,915 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,923 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,956 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,958 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,961 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:43,989 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,002 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,009 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,013 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,016 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,026 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,029 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 733 [2024-09-12 19:54:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,503 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,664 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,755 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,768 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,774 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,776 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,778 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,780 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,788 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,790 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,792 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,812 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,813 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,815 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,817 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,845 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,857 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,863 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,865 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,867 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,869 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,876 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,878 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,880 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:54:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,985 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,992 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,994 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,996 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:44,998 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:45,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:45,007 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:45,009 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:45,022 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:45,030 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:45,032 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:45,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:45,037 INFO L134 CoverageAnalysis]: Checked inductivity of 23191 backedges. 3416 proven. 3843 refuted. 0 times theorem prover too weak. 15932 trivial. 0 not checked. [2024-09-12 19:54:45,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:54:45,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894116441] [2024-09-12 19:54:45,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894116441] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:54:45,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060166866] [2024-09-12 19:54:45,038 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-12 19:54:45,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:54:45,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:54:45,039 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 19:54:45,039 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 19:54:45,520 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) [2024-09-12 19:54:45,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:54:45,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 2105 conjuncts, 217 conjuncts are in the unsatisfiable core [2024-09-12 19:54:45,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:54:46,318 INFO L134 CoverageAnalysis]: Checked inductivity of 23191 backedges. 3416 proven. 3843 refuted. 0 times theorem prover too weak. 15932 trivial. 0 not checked. [2024-09-12 19:54:46,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:55:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 23191 backedges. 3991 proven. 3598 refuted. 0 times theorem prover too weak. 15602 trivial. 0 not checked. [2024-09-12 19:55:19,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060166866] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:55:19,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:55:19,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 55] total 80 [2024-09-12 19:55:19,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423537256] [2024-09-12 19:55:19,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:55:19,892 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-09-12 19:55:19,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:55:19,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-09-12 19:55:19,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=744, Invalid=5736, Unknown=0, NotChecked=0, Total=6480 [2024-09-12 19:55:19,894 INFO L87 Difference]: Start difference. First operand 2324 states and 2530 transitions. Second operand has 81 states, 80 states have (on average 2.6) internal successors, (208), 81 states have internal predecessors, (208), 21 states have call successors, (25), 1 states have call predecessors, (25), 24 states have return successors, (57), 57 states have call predecessors, (57), 21 states have call successors, (57) [2024-09-12 19:55:20,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:55:20,455 INFO L93 Difference]: Finished difference Result 2326 states and 2530 transitions. [2024-09-12 19:55:20,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-12 19:55:20,455 INFO L78 Accepts]: Start accepts. Automaton has has 81 states, 80 states have (on average 2.6) internal successors, (208), 81 states have internal predecessors, (208), 21 states have call successors, (25), 1 states have call predecessors, (25), 24 states have return successors, (57), 57 states have call predecessors, (57), 21 states have call successors, (57) Word has length 1134 [2024-09-12 19:55:20,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:55:20,474 INFO L225 Difference]: With dead ends: 2326 [2024-09-12 19:55:20,474 INFO L226 Difference]: Without dead ends: 2324 [2024-09-12 19:55:20,475 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2703 GetRequests, 2431 SyntacticMatches, 192 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16371 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=758, Invalid=5884, Unknown=0, NotChecked=0, Total=6642 [2024-09-12 19:55:20,475 INFO L434 NwaCegarLoop]: 41 mSDtfsCounter, 6 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 19:55:20,475 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 933 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 19:55:20,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states. [2024-09-12 19:55:20,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 2324. [2024-09-12 19:55:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2324 states, 1858 states have (on average 1.0344456404736275) internal successors, (1922), 1852 states have internal predecessors, (1922), 299 states have call successors, (299), 179 states have call predecessors, (299), 164 states have return successors, (298), 292 states have call predecessors, (298), 298 states have call successors, (298) [2024-09-12 19:55:20,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 2324 states and 2519 transitions. [2024-09-12 19:55:20,840 INFO L78 Accepts]: Start accepts. Automaton has 2324 states and 2519 transitions. Word has length 1134 [2024-09-12 19:55:20,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:55:20,840 INFO L474 AbstractCegarLoop]: Abstraction has 2324 states and 2519 transitions. [2024-09-12 19:55:20,840 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 80 states have (on average 2.6) internal successors, (208), 81 states have internal predecessors, (208), 21 states have call successors, (25), 1 states have call predecessors, (25), 24 states have return successors, (57), 57 states have call predecessors, (57), 21 states have call successors, (57) [2024-09-12 19:55:20,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:55:20,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 2519 transitions. [2024-09-12 19:55:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1796 [2024-09-12 19:55:20,853 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:55:20,853 INFO L216 NwaCegarLoop]: trace histogram [94, 93, 88, 88, 77, 76, 49, 49, 49, 49, 49, 49, 49, 49, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 43, 28, 27, 17, 17, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:55:20,869 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 19:55:21,054 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-09-12 19:55:21,054 INFO L399 AbstractCegarLoop]: === Iteration 38 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:55:21,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:55:21,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2005972817, now seen corresponding path program 5 times [2024-09-12 19:55:21,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:55:21,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367551810] [2024-09-12 19:55:21,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:55:21,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:55:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:36,568 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:55:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:36,569 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-09-12 19:55:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:39,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:40,861 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,327 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,519 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,657 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,695 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,742 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,754 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,775 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,778 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,790 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,826 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,834 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,836 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,838 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,841 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,904 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:55:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,078 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,105 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,130 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,138 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,140 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,142 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,146 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-09-12 19:55:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,347 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,423 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,453 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,469 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,477 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,480 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,482 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,485 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,493 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,496 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,498 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,513 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,524 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,526 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,564 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,578 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,587 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,590 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,592 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,595 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,603 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,605 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2024-09-12 19:55:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,306 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,371 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,411 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,419 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,426 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,434 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,436 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,452 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,459 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,461 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,463 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,466 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,497 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,510 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,519 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,523 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,525 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,533 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,535 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,537 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:55:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,636 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,649 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,657 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,658 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,660 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,663 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,670 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,688 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,695 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,698 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,700 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,704 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2024-09-12 19:55:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:44,879 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,325 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,505 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,572 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,601 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,615 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,623 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,627 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,629 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,638 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,640 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,642 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,657 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,667 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,669 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,671 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,704 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,718 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,726 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,731 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,733 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,742 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,744 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,747 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:55:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,815 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,845 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,858 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,866 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,869 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,871 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,874 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,884 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,887 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,890 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,904 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,912 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,915 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-09-12 19:55:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,105 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,183 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,216 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,231 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,243 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,248 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,257 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,260 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,278 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,290 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,292 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,295 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,326 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,348 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,350 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,352 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,358 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,366 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,368 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 58686 backedges. 9291 proven. 10140 refuted. 0 times theorem prover too weak. 39255 trivial. 0 not checked. [2024-09-12 19:55:46,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:55:46,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367551810] [2024-09-12 19:55:46,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367551810] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:55:46,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297801535] [2024-09-12 19:55:46,374 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-12 19:55:46,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:55:46,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:55:46,375 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 19:55:46,375 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 19:55:47,363 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 64 check-sat command(s) [2024-09-12 19:55:47,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:55:47,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 3327 conjuncts, 353 conjuncts are in the unsatisfiable core [2024-09-12 19:55:47,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:55:48,575 INFO L134 CoverageAnalysis]: Checked inductivity of 58686 backedges. 9291 proven. 10140 refuted. 0 times theorem prover too weak. 39255 trivial. 0 not checked. [2024-09-12 19:55:48,575 INFO L327 TraceCheckSpWp]: Computing backward predicates...