./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.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_15-2.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 d89b24ddcb39bc81f78fa19f2306b45fb625208ffa4463b75f31372afe08085d --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 19:52:34,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 19:52:34,543 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-12 19:52:34,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 19:52:34,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 19:52:34,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 19:52:34,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 19:52:34,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 19:52:34,567 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 19:52:34,568 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 19:52:34,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 19:52:34,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 19:52:34,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 19:52:34,569 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 19:52:34,569 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 19:52:34,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 19:52:34,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 19:52:34,573 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 19:52:34,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 19:52:34,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 19:52:34,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 19:52:34,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 19:52:34,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 19:52:34,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 19:52:34,577 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 19:52:34,577 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 19:52:34,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 19:52:34,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 19:52:34,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 19:52:34,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 19:52:34,578 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 19:52:34,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 19:52:34,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 19:52:34,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 19:52:34,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 19:52:34,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 19:52:34,579 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 19:52:34,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 19:52:34,579 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 19:52:34,579 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 19:52:34,580 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 19:52:34,580 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 19:52:34,580 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d89b24ddcb39bc81f78fa19f2306b45fb625208ffa4463b75f31372afe08085d Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 19:52:34,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 19:52:34,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 19:52:34,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 19:52:34,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 19:52:34,847 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 19:52:34,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2024-09-12 19:52:36,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 19:52:36,279 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 19:52:36,280 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2024-09-12 19:52:36,285 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/7cde4c35d/faae01cea81240ff9afa4c175a94b14b/FLAG765f33215 [2024-09-12 19:52:36,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/7cde4c35d/faae01cea81240ff9afa4c175a94b14b [2024-09-12 19:52:36,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 19:52:36,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-12 19:52:36,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 19:52:36,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 19:52:36,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 19:52:36,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3e40c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36, skipping insertion in model container [2024-09-12 19:52:36,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 19:52:36,834 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_15-2.c[950,963] [2024-09-12 19:52:36,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 19:52:36,850 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 19:52:36,865 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_15-2.c[950,963] [2024-09-12 19:52:36,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 19:52:36,880 INFO L204 MainTranslator]: Completed translation [2024-09-12 19:52:36,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36 WrapperNode [2024-09-12 19:52:36,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 19:52:36,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-12 19:52:36,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-12 19:52:36,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-12 19:52:36,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,898 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-12 19:52:36,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-12 19:52:36,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 19:52:36,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 19:52:36,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 19:52:36,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,911 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,934 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 19:52:36,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 19:52:36,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 19:52:36,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 19:52:36,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 19:52:36,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36" (1/1) ... [2024-09-12 19:52:36,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 19:52:36,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:36,974 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 19:52:36,976 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 19:52:37,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 19:52:37,013 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 19:52:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 19:52:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 19:52:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2024-09-12 19:52:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2024-09-12 19:52:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2024-09-12 19:52:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2024-09-12 19:52:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 19:52:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 19:52:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 19:52:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 19:52:37,068 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 19:52:37,070 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 19:52:37,217 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-12 19:52:37,218 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 19:52:37,234 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 19:52:37,234 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 19:52:37,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 07:52:37 BoogieIcfgContainer [2024-09-12 19:52:37,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 19:52:37,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-12 19:52:37,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-12 19:52:37,239 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-12 19:52:37,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.09 07:52:36" (1/3) ... [2024-09-12 19:52:37,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd9e286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 07:52:37, skipping insertion in model container [2024-09-12 19:52:37,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 07:52:36" (2/3) ... [2024-09-12 19:52:37,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd9e286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 07:52:37, skipping insertion in model container [2024-09-12 19:52:37,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 07:52:37" (3/3) ... [2024-09-12 19:52:37,242 INFO L112 eAbstractionObserver]: Analyzing ICFG fibo_2calls_15-2.c [2024-09-12 19:52:37,254 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-12 19:52:37,255 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2024-09-12 19:52:37,293 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-12 19:52:37,299 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;@74045a11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-12 19:52:37,299 INFO L337 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-09-12 19:52:37,303 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 19:52:37,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-09-12 19:52:37,308 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:37,308 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:37,309 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting fibo1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:37,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:37,314 INFO L85 PathProgramCache]: Analyzing trace with hash -373964005, now seen corresponding path program 1 times [2024-09-12 19:52:37,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:37,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131726766] [2024-09-12 19:52:37,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:37,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:37,456 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:37,468 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 19:52:37,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:37,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131726766] [2024-09-12 19:52:37,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131726766] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:37,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:37,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 19:52:37,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687138793] [2024-09-12 19:52:37,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:37,479 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 19:52:37,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:37,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 19:52:37,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 19:52:37,496 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 19:52:37,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:37,545 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2024-09-12 19:52:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 19:52:37,548 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 19:52:37,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:37,554 INFO L225 Difference]: With dead ends: 62 [2024-09-12 19:52:37,554 INFO L226 Difference]: Without dead ends: 52 [2024-09-12 19:52:37,556 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 19:52:37,560 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 19:52:37,562 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 19:52:37,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-09-12 19:52:37,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2024-09-12 19:52:37,592 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 19:52:37,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2024-09-12 19:52:37,594 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 10 [2024-09-12 19:52:37,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:37,595 INFO L474 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2024-09-12 19:52:37,595 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 19:52:37,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:37,595 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2024-09-12 19:52:37,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-09-12 19:52:37,596 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:37,596 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:37,596 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-12 19:52:37,597 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting fibo1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:37,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:37,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1292017820, now seen corresponding path program 1 times [2024-09-12 19:52:37,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:37,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166705477] [2024-09-12 19:52:37,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:37,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:37,653 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:37,658 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 19:52:37,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:37,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166705477] [2024-09-12 19:52:37,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166705477] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:37,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:37,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 19:52:37,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671507593] [2024-09-12 19:52:37,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:37,660 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:37,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:37,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:37,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:37,661 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 19:52:37,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:37,746 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2024-09-12 19:52:37,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:37,748 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 19:52:37,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:37,749 INFO L225 Difference]: With dead ends: 71 [2024-09-12 19:52:37,749 INFO L226 Difference]: Without dead ends: 69 [2024-09-12 19:52:37,749 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 19:52:37,750 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, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:37,750 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 181 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:52:37,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-09-12 19:52:37,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2024-09-12 19:52:37,758 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 19:52:37,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 76 transitions. [2024-09-12 19:52:37,759 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 76 transitions. Word has length 11 [2024-09-12 19:52:37,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:37,760 INFO L474 AbstractCegarLoop]: Abstraction has 65 states and 76 transitions. [2024-09-12 19:52:37,760 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 19:52:37,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:37,760 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2024-09-12 19:52:37,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-09-12 19:52:37,761 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:37,761 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:37,761 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-12 19:52:37,761 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:37,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:37,762 INFO L85 PathProgramCache]: Analyzing trace with hash 371226026, now seen corresponding path program 1 times [2024-09-12 19:52:37,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:37,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820953556] [2024-09-12 19:52:37,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:37,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:37,804 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:37,808 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:37,855 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 19:52:37,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:37,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820953556] [2024-09-12 19:52:37,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820953556] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:37,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:37,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 19:52:37,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385071768] [2024-09-12 19:52:37,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:37,856 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:37,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:37,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:37,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:37,857 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 19:52:37,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:37,943 INFO L93 Difference]: Finished difference Result 77 states and 89 transitions. [2024-09-12 19:52:37,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:37,944 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 19:52:37,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:37,945 INFO L225 Difference]: With dead ends: 77 [2024-09-12 19:52:37,945 INFO L226 Difference]: Without dead ends: 71 [2024-09-12 19:52:37,945 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 19:52:37,946 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 19:52:37,946 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 19:52:37,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-09-12 19:52:37,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2024-09-12 19:52:37,954 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 19:52:37,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2024-09-12 19:52:37,955 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 13 [2024-09-12 19:52:37,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:37,956 INFO L474 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2024-09-12 19:52:37,956 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 19:52:37,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:37,956 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2024-09-12 19:52:37,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-09-12 19:52:37,957 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:37,957 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:37,957 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-12 19:52:37,957 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:37,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:37,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1008204599, now seen corresponding path program 1 times [2024-09-12 19:52:37,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:37,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231356769] [2024-09-12 19:52:37,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:37,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:37,993 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:37,997 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,028 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 19:52:38,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:38,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231356769] [2024-09-12 19:52:38,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231356769] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:38,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:38,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 19:52:38,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432850958] [2024-09-12 19:52:38,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:38,029 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:38,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:38,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:38,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:38,030 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 19:52:38,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:38,093 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2024-09-12 19:52:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:38,094 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 19:52:38,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:38,095 INFO L225 Difference]: With dead ends: 73 [2024-09-12 19:52:38,095 INFO L226 Difference]: Without dead ends: 67 [2024-09-12 19:52:38,096 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 19:52:38,097 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, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:38,098 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 148 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:52:38,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-09-12 19:52:38,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2024-09-12 19:52:38,110 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 19:52:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2024-09-12 19:52:38,113 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 14 [2024-09-12 19:52:38,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:38,114 INFO L474 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2024-09-12 19:52:38,114 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 19:52:38,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:38,114 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2024-09-12 19:52:38,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-09-12 19:52:38,115 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:38,115 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:38,115 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-12 19:52:38,115 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:38,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:38,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1677154791, now seen corresponding path program 1 times [2024-09-12 19:52:38,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:38,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968017844] [2024-09-12 19:52:38,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:38,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,131 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,138 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 19:52:38,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:38,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968017844] [2024-09-12 19:52:38,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968017844] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:38,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:38,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 19:52:38,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886212601] [2024-09-12 19:52:38,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:38,141 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 19:52:38,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:38,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 19:52:38,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 19:52:38,142 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 19:52:38,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:38,168 INFO L93 Difference]: Finished difference Result 67 states and 79 transitions. [2024-09-12 19:52:38,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 19:52:38,169 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 19:52:38,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:38,171 INFO L225 Difference]: With dead ends: 67 [2024-09-12 19:52:38,172 INFO L226 Difference]: Without dead ends: 65 [2024-09-12 19:52:38,172 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 19:52:38,173 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 19:52:38,176 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 19:52:38,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-09-12 19:52:38,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2024-09-12 19:52:38,183 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 19:52:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2024-09-12 19:52:38,184 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 16 [2024-09-12 19:52:38,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:38,184 INFO L474 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2024-09-12 19:52:38,184 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 19:52:38,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:38,184 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2024-09-12 19:52:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-09-12 19:52:38,185 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:38,185 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 19:52:38,185 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-12 19:52:38,185 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:38,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:38,185 INFO L85 PathProgramCache]: Analyzing trace with hash -452190908, now seen corresponding path program 1 times [2024-09-12 19:52:38,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:38,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101237025] [2024-09-12 19:52:38,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:38,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,261 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 19:52:38,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:38,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101237025] [2024-09-12 19:52:38,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101237025] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:38,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:38,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-12 19:52:38,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860570462] [2024-09-12 19:52:38,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:38,265 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 19:52:38,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:38,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 19:52:38,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-09-12 19:52:38,266 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 19:52:38,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:38,372 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2024-09-12 19:52:38,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 19:52:38,373 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 19:52:38,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:38,373 INFO L225 Difference]: With dead ends: 67 [2024-09-12 19:52:38,374 INFO L226 Difference]: Without dead ends: 63 [2024-09-12 19:52:38,374 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 19:52:38,375 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 19:52:38,375 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 19:52:38,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-09-12 19:52:38,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2024-09-12 19:52:38,382 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 19:52:38,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions. [2024-09-12 19:52:38,383 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 17 [2024-09-12 19:52:38,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:38,384 INFO L474 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions. [2024-09-12 19:52:38,384 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 19:52:38,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2024-09-12 19:52:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-09-12 19:52:38,388 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:38,388 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 19:52:38,388 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-12 19:52:38,389 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:38,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:38,389 INFO L85 PathProgramCache]: Analyzing trace with hash 2127521631, now seen corresponding path program 1 times [2024-09-12 19:52:38,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:38,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574633875] [2024-09-12 19:52:38,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:38,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,464 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,468 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 19:52:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,485 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-09-12 19:52:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,499 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 19:52:38,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:38,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574633875] [2024-09-12 19:52:38,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574633875] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:38,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:38,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 19:52:38,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092660927] [2024-09-12 19:52:38,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:38,501 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:38,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:38,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:38,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:38,502 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 19:52:38,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:38,556 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2024-09-12 19:52:38,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:38,556 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 19:52:38,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:38,558 INFO L225 Difference]: With dead ends: 83 [2024-09-12 19:52:38,558 INFO L226 Difference]: Without dead ends: 81 [2024-09-12 19:52:38,558 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 19:52:38,559 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 19:52:38,559 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 19:52:38,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-09-12 19:52:38,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 75. [2024-09-12 19:52:38,579 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 19:52:38,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 91 transitions. [2024-09-12 19:52:38,582 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 91 transitions. Word has length 26 [2024-09-12 19:52:38,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:38,582 INFO L474 AbstractCegarLoop]: Abstraction has 75 states and 91 transitions. [2024-09-12 19:52:38,583 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 19:52:38,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 91 transitions. [2024-09-12 19:52:38,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-09-12 19:52:38,585 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:38,585 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 19:52:38,585 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-12 19:52:38,586 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:38,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:38,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1539493548, now seen corresponding path program 1 times [2024-09-12 19:52:38,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:38,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845356547] [2024-09-12 19:52:38,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:38,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,640 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,642 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 19:52:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,654 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-09-12 19:52:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,668 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 19:52:38,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:38,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845356547] [2024-09-12 19:52:38,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845356547] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:38,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878791696] [2024-09-12 19:52:38,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:38,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:38,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:38,692 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 19:52:38,696 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 19:52:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:38,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-12 19:52:38,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:38,805 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 19:52:38,808 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 19:52:38,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878791696] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:38,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 19:52:38,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2024-09-12 19:52:38,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224689565] [2024-09-12 19:52:38,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:38,809 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 19:52:38,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:38,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 19:52:38,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-09-12 19:52:38,810 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 19:52:38,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:38,908 INFO L93 Difference]: Finished difference Result 131 states and 159 transitions. [2024-09-12 19:52:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 19:52:38,909 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 19:52:38,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:38,910 INFO L225 Difference]: With dead ends: 131 [2024-09-12 19:52:38,910 INFO L226 Difference]: Without dead ends: 72 [2024-09-12 19:52:38,914 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-09-12 19:52:38,915 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 19:52:38,915 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 19:52:38,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-09-12 19:52:38,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2024-09-12 19:52:38,924 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 19:52:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2024-09-12 19:52:38,925 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 27 [2024-09-12 19:52:38,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:38,925 INFO L474 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2024-09-12 19:52:38,925 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 19:52:38,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2024-09-12 19:52:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-09-12 19:52:38,926 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:38,926 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 19:52:38,939 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-09-12 19:52:39,130 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 19:52:39,131 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:39,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:39,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1428973281, now seen corresponding path program 1 times [2024-09-12 19:52:39,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:39,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683867663] [2024-09-12 19:52:39,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:39,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:39,179 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:39,181 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 19:52:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:39,200 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 19:52:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:39,215 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 19:52:39,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:39,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683867663] [2024-09-12 19:52:39,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683867663] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:39,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:39,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 19:52:39,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816944837] [2024-09-12 19:52:39,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:39,216 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:39,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:39,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:39,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:39,216 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 19:52:39,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:39,245 INFO L93 Difference]: Finished difference Result 92 states and 119 transitions. [2024-09-12 19:52:39,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:39,245 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 19:52:39,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:39,247 INFO L225 Difference]: With dead ends: 92 [2024-09-12 19:52:39,247 INFO L226 Difference]: Without dead ends: 90 [2024-09-12 19:52:39,247 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 19:52:39,248 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 19:52:39,249 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 19:52:39,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-09-12 19:52:39,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 81. [2024-09-12 19:52:39,263 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 19:52:39,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 102 transitions. [2024-09-12 19:52:39,264 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 102 transitions. Word has length 28 [2024-09-12 19:52:39,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:39,264 INFO L474 AbstractCegarLoop]: Abstraction has 81 states and 102 transitions. [2024-09-12 19:52:39,264 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 19:52:39,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:39,265 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2024-09-12 19:52:39,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-09-12 19:52:39,267 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:39,267 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 19:52:39,267 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-12 19:52:39,267 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:39,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:39,268 INFO L85 PathProgramCache]: Analyzing trace with hash -2001771443, now seen corresponding path program 1 times [2024-09-12 19:52:39,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:39,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241066490] [2024-09-12 19:52:39,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:39,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:39,315 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:39,318 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-12 19:52:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:39,328 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 19:52:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:39,337 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 19:52:39,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:39,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241066490] [2024-09-12 19:52:39,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241066490] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:39,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:39,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 19:52:39,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360726432] [2024-09-12 19:52:39,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:39,338 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:39,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:39,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:39,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:39,339 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 19:52:39,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:39,375 INFO L93 Difference]: Finished difference Result 95 states and 121 transitions. [2024-09-12 19:52:39,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:39,376 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 19:52:39,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:39,377 INFO L225 Difference]: With dead ends: 95 [2024-09-12 19:52:39,377 INFO L226 Difference]: Without dead ends: 93 [2024-09-12 19:52:39,377 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 19:52:39,377 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 19:52:39,378 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 19:52:39,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-09-12 19:52:39,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2024-09-12 19:52:39,388 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 19:52:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 114 transitions. [2024-09-12 19:52:39,389 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 114 transitions. Word has length 32 [2024-09-12 19:52:39,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:39,389 INFO L474 AbstractCegarLoop]: Abstraction has 90 states and 114 transitions. [2024-09-12 19:52:39,390 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 19:52:39,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:39,390 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 114 transitions. [2024-09-12 19:52:39,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-09-12 19:52:39,393 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:39,393 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 19:52:39,394 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-12 19:52:39,394 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:39,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:39,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1913625316, now seen corresponding path program 1 times [2024-09-12 19:52:39,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:39,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635021634] [2024-09-12 19:52:39,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:39,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:39,453 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:39,456 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-12 19:52:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:39,470 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 19:52:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:39,484 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 19:52:39,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:39,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635021634] [2024-09-12 19:52:39,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635021634] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:39,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729318871] [2024-09-12 19:52:39,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:39,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:39,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:39,486 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 19:52:39,487 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 19:52:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:39,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-12 19:52:39,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:39,579 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 19:52:39,579 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:52:39,713 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 19:52:39,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729318871] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:52:39,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:52:39,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-09-12 19:52:39,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157648695] [2024-09-12 19:52:39,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:52:39,714 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-12 19:52:39,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:39,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-12 19:52:39,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-09-12 19:52:39,714 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 19:52:40,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:40,098 INFO L93 Difference]: Finished difference Result 222 states and 294 transitions. [2024-09-12 19:52:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-12 19:52:40,099 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 19:52:40,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:40,100 INFO L225 Difference]: With dead ends: 222 [2024-09-12 19:52:40,100 INFO L226 Difference]: Without dead ends: 144 [2024-09-12 19:52:40,101 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 19:52:40,101 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 19:52:40,102 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 19:52:40,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-09-12 19:52:40,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 130. [2024-09-12 19:52:40,123 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 19:52:40,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 166 transitions. [2024-09-12 19:52:40,124 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 166 transitions. Word has length 33 [2024-09-12 19:52:40,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:40,125 INFO L474 AbstractCegarLoop]: Abstraction has 130 states and 166 transitions. [2024-09-12 19:52:40,125 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 19:52:40,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:40,125 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 166 transitions. [2024-09-12 19:52:40,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-09-12 19:52:40,127 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:40,127 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 19:52:40,141 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-12 19:52:40,331 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 19:52:40,332 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:40,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:40,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1804822488, now seen corresponding path program 2 times [2024-09-12 19:52:40,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:40,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96917159] [2024-09-12 19:52:40,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:40,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:40,369 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:40,371 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-09-12 19:52:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:40,382 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-12 19:52:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:40,395 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 19:52:40,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:40,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96917159] [2024-09-12 19:52:40,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96917159] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:40,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108580468] [2024-09-12 19:52:40,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 19:52:40,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:40,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:40,398 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 19:52:40,399 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 19:52:40,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 19:52:40,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:52:40,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-12 19:52:40,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:40,466 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 19:52:40,467 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 19:52:40,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108580468] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:40,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 19:52:40,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-09-12 19:52:40,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728829125] [2024-09-12 19:52:40,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:40,468 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:40,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:40,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:40,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-09-12 19:52:40,468 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 19:52:40,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:40,497 INFO L93 Difference]: Finished difference Result 139 states and 178 transitions. [2024-09-12 19:52:40,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:40,498 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 19:52:40,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:40,499 INFO L225 Difference]: With dead ends: 139 [2024-09-12 19:52:40,499 INFO L226 Difference]: Without dead ends: 138 [2024-09-12 19:52:40,499 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 19:52:40,500 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 19:52:40,503 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 19:52:40,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-09-12 19:52:40,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2024-09-12 19:52:40,532 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 19:52:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 170 transitions. [2024-09-12 19:52:40,533 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 170 transitions. Word has length 45 [2024-09-12 19:52:40,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:40,534 INFO L474 AbstractCegarLoop]: Abstraction has 134 states and 170 transitions. [2024-09-12 19:52:40,534 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 19:52:40,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:40,534 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2024-09-12 19:52:40,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-09-12 19:52:40,535 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:40,535 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 19:52:40,548 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 19:52:40,735 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 19:52:40,736 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:40,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:40,737 INFO L85 PathProgramCache]: Analyzing trace with hash 114922353, now seen corresponding path program 1 times [2024-09-12 19:52:40,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:40,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928657735] [2024-09-12 19:52:40,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:40,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:40,786 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:40,789 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-09-12 19:52:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:40,799 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-12 19:52:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:40,814 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 19:52:40,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:40,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928657735] [2024-09-12 19:52:40,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928657735] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:40,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640862144] [2024-09-12 19:52:40,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:40,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:40,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:40,816 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 19:52:40,817 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 19:52:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:40,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-12 19:52:40,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:40,972 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 19:52:40,972 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:52:41,172 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 19:52:41,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640862144] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:52:41,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:52:41,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 27 [2024-09-12 19:52:41,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274779957] [2024-09-12 19:52:41,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:52:41,173 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-12 19:52:41,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:41,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-12 19:52:41,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2024-09-12 19:52:41,174 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 19:52:41,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:41,759 INFO L93 Difference]: Finished difference Result 368 states and 490 transitions. [2024-09-12 19:52:41,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-12 19:52:41,759 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 19:52:41,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:41,761 INFO L225 Difference]: With dead ends: 368 [2024-09-12 19:52:41,761 INFO L226 Difference]: Without dead ends: 252 [2024-09-12 19:52:41,763 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=1163, Unknown=0, NotChecked=0, Total=1332 [2024-09-12 19:52:41,763 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, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:41,764 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 1299 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 19:52:41,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-09-12 19:52:41,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 228. [2024-09-12 19:52:41,791 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 19:52:41,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 284 transitions. [2024-09-12 19:52:41,793 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 284 transitions. Word has length 46 [2024-09-12 19:52:41,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:41,793 INFO L474 AbstractCegarLoop]: Abstraction has 228 states and 284 transitions. [2024-09-12 19:52:41,793 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 19:52:41,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:41,793 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 284 transitions. [2024-09-12 19:52:41,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-09-12 19:52:41,794 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:41,794 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 19:52:41,807 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-12 19:52:41,994 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 19:52:41,995 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:41,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:41,995 INFO L85 PathProgramCache]: Analyzing trace with hash 2136828516, now seen corresponding path program 1 times [2024-09-12 19:52:41,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:41,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984901469] [2024-09-12 19:52:41,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:41,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:42,049 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:42,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-09-12 19:52:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:42,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-09-12 19:52:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:42,071 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 19:52:42,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:42,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984901469] [2024-09-12 19:52:42,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984901469] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:42,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489969295] [2024-09-12 19:52:42,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:42,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:42,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:42,074 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 19:52:42,078 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 19:52:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:42,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-12 19:52:42,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:42,366 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 19:52:42,367 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:52:42,783 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 19:52:42,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489969295] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:52:42,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:52:42,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 23, 23] total 47 [2024-09-12 19:52:42,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735481574] [2024-09-12 19:52:42,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:52:42,784 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-09-12 19:52:42,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:42,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-09-12 19:52:42,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=1913, Unknown=0, NotChecked=0, Total=2162 [2024-09-12 19:52:42,786 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 19:52:43,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:43,890 INFO L93 Difference]: Finished difference Result 679 states and 894 transitions. [2024-09-12 19:52:43,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-09-12 19:52:43,891 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 19:52:43,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:43,896 INFO L225 Difference]: With dead ends: 679 [2024-09-12 19:52:43,896 INFO L226 Difference]: Without dead ends: 475 [2024-09-12 19:52:43,899 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=561, Invalid=3729, Unknown=0, NotChecked=0, Total=4290 [2024-09-12 19:52:43,899 INFO L434 NwaCegarLoop]: 138 mSDtfsCounter, 557 mSDsluCounter, 2188 mSDsCounter, 0 mSdLazyCounter, 1769 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 2326 SdHoareTripleChecker+Invalid, 1884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:43,900 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 2326 Invalid, 1884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1769 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-09-12 19:52:43,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-09-12 19:52:43,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 430. [2024-09-12 19:52:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 337 states have (on average 1.1602373887240356) internal successors, (391), 340 states have internal predecessors, (391), 58 states have call successors, (58), 27 states have call predecessors, (58), 30 states have return successors, (81), 62 states have call predecessors, (81), 57 states have call successors, (81) [2024-09-12 19:52:43,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 530 transitions. [2024-09-12 19:52:43,941 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 530 transitions. Word has length 75 [2024-09-12 19:52:43,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:43,941 INFO L474 AbstractCegarLoop]: Abstraction has 430 states and 530 transitions. [2024-09-12 19:52:43,941 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 19:52:43,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:43,942 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 530 transitions. [2024-09-12 19:52:43,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-09-12 19:52:43,942 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:43,942 INFO L216 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:43,955 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 19:52:44,146 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 19:52:44,147 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:44,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:44,147 INFO L85 PathProgramCache]: Analyzing trace with hash -908124130, now seen corresponding path program 2 times [2024-09-12 19:52:44,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:44,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130561676] [2024-09-12 19:52:44,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:44,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:44,219 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:44,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-09-12 19:52:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:44,229 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:52:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-09-12 19:52:44,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:44,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130561676] [2024-09-12 19:52:44,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130561676] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:44,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007378100] [2024-09-12 19:52:44,238 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 19:52:44,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:44,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:44,239 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 19:52:44,240 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 19:52:44,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 19:52:44,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:52:44,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-12 19:52:44,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:44,310 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-09-12 19:52:44,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 19:52:44,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007378100] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:44,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 19:52:44,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-09-12 19:52:44,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683561933] [2024-09-12 19:52:44,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:44,313 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:44,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:44,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:44,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-09-12 19:52:44,313 INFO L87 Difference]: Start difference. First operand 430 states and 530 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 19:52:44,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:44,367 INFO L93 Difference]: Finished difference Result 440 states and 545 transitions. [2024-09-12 19:52:44,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:44,368 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 99 [2024-09-12 19:52:44,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:44,370 INFO L225 Difference]: With dead ends: 440 [2024-09-12 19:52:44,372 INFO L226 Difference]: Without dead ends: 439 [2024-09-12 19:52:44,372 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 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 19:52:44,372 INFO L434 NwaCegarLoop]: 43 mSDtfsCounter, 3 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:44,373 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 164 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:52:44,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-09-12 19:52:44,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 436. [2024-09-12 19:52:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 343 states have (on average 1.1574344023323615) internal successors, (397), 343 states have internal predecessors, (397), 58 states have call successors, (58), 27 states have call predecessors, (58), 30 states have return successors, (81), 65 states have call predecessors, (81), 57 states have call successors, (81) [2024-09-12 19:52:44,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 536 transitions. [2024-09-12 19:52:44,427 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 536 transitions. Word has length 99 [2024-09-12 19:52:44,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:44,427 INFO L474 AbstractCegarLoop]: Abstraction has 436 states and 536 transitions. [2024-09-12 19:52:44,427 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 19:52:44,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:44,428 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 536 transitions. [2024-09-12 19:52:44,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-09-12 19:52:44,429 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:44,429 INFO L216 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:44,441 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 19:52:44,630 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 19:52:44,630 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:44,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:44,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1912923141, now seen corresponding path program 1 times [2024-09-12 19:52:44,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:44,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428995513] [2024-09-12 19:52:44,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:44,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:44,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:44,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-09-12 19:52:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:44,686 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:52:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-09-12 19:52:44,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:44,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428995513] [2024-09-12 19:52:44,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428995513] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:44,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046065416] [2024-09-12 19:52:44,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:44,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:44,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:44,695 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 19:52:44,697 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 19:52:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:44,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-12 19:52:44,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:45,104 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 16 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 19:52:45,104 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:52:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-12 19:52:45,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046065416] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:52:45,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:52:45,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 31, 31] total 36 [2024-09-12 19:52:45,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615905095] [2024-09-12 19:52:45,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:52:45,444 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-12 19:52:45,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:45,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-12 19:52:45,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1110, Unknown=0, NotChecked=0, Total=1260 [2024-09-12 19:52:45,445 INFO L87 Difference]: Start difference. First operand 436 states and 536 transitions. Second operand has 36 states, 35 states have (on average 3.0285714285714285) internal successors, (106), 23 states have internal predecessors, (106), 17 states have call successors, (22), 15 states have call predecessors, (22), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-09-12 19:52:46,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:46,352 INFO L93 Difference]: Finished difference Result 1030 states and 1259 transitions. [2024-09-12 19:52:46,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-12 19:52:46,352 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 3.0285714285714285) internal successors, (106), 23 states have internal predecessors, (106), 17 states have call successors, (22), 15 states have call predecessors, (22), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 100 [2024-09-12 19:52:46,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:46,356 INFO L225 Difference]: With dead ends: 1030 [2024-09-12 19:52:46,356 INFO L226 Difference]: Without dead ends: 618 [2024-09-12 19:52:46,358 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 162 SyntacticMatches, 28 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 935 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=332, Invalid=2218, Unknown=0, NotChecked=0, Total=2550 [2024-09-12 19:52:46,359 INFO L434 NwaCegarLoop]: 141 mSDtfsCounter, 389 mSDsluCounter, 2163 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 2304 SdHoareTripleChecker+Invalid, 1778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:46,359 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 2304 Invalid, 1778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-09-12 19:52:46,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-09-12 19:52:46,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 573. [2024-09-12 19:52:46,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 454 states have (on average 1.158590308370044) internal successors, (526), 451 states have internal predecessors, (526), 75 states have call successors, (75), 36 states have call predecessors, (75), 39 states have return successors, (101), 85 states have call predecessors, (101), 74 states have call successors, (101) [2024-09-12 19:52:46,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 702 transitions. [2024-09-12 19:52:46,411 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 702 transitions. Word has length 100 [2024-09-12 19:52:46,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:46,412 INFO L474 AbstractCegarLoop]: Abstraction has 573 states and 702 transitions. [2024-09-12 19:52:46,412 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 3.0285714285714285) internal successors, (106), 23 states have internal predecessors, (106), 17 states have call successors, (22), 15 states have call predecessors, (22), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-09-12 19:52:46,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 702 transitions. [2024-09-12 19:52:46,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-09-12 19:52:46,414 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:46,414 INFO L216 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:52:46,427 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 19:52:46,615 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 19:52:46,615 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:46,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:46,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1615542942, now seen corresponding path program 1 times [2024-09-12 19:52:46,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:46,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637878135] [2024-09-12 19:52:46,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:46,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:46,671 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:46,673 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-09-12 19:52:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:46,682 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-09-12 19:52:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2024-09-12 19:52:46,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:46,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637878135] [2024-09-12 19:52:46,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637878135] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:46,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:46,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 19:52:46,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496026640] [2024-09-12 19:52:46,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:46,690 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:46,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:46,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:46,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:46,690 INFO L87 Difference]: Start difference. First operand 573 states and 702 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 19:52:46,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:46,759 INFO L93 Difference]: Finished difference Result 583 states and 714 transitions. [2024-09-12 19:52:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:46,760 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 107 [2024-09-12 19:52:46,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:46,762 INFO L225 Difference]: With dead ends: 583 [2024-09-12 19:52:46,762 INFO L226 Difference]: Without dead ends: 582 [2024-09-12 19:52:46,763 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 19:52:46,763 INFO L434 NwaCegarLoop]: 58 mSDtfsCounter, 2 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:46,763 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 206 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:52:46,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-09-12 19:52:46,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 567. [2024-09-12 19:52:46,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 450 states have (on average 1.16) internal successors, (522), 446 states have internal predecessors, (522), 74 states have call successors, (74), 36 states have call predecessors, (74), 38 states have return successors, (93), 84 states have call predecessors, (93), 73 states have call successors, (93) [2024-09-12 19:52:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 689 transitions. [2024-09-12 19:52:46,809 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 689 transitions. Word has length 107 [2024-09-12 19:52:46,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:46,809 INFO L474 AbstractCegarLoop]: Abstraction has 567 states and 689 transitions. [2024-09-12 19:52:46,809 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 19:52:46,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:46,809 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 689 transitions. [2024-09-12 19:52:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-09-12 19:52:46,811 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:46,811 INFO L216 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 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 19:52:46,811 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-12 19:52:46,811 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:46,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:46,811 INFO L85 PathProgramCache]: Analyzing trace with hash -645656613, now seen corresponding path program 1 times [2024-09-12 19:52:46,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:46,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112640029] [2024-09-12 19:52:46,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:46,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:46,856 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:46,859 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-09-12 19:52:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:46,867 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-09-12 19:52:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:46,870 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:46,871 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:52:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:46,872 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-09-12 19:52:46,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:46,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112640029] [2024-09-12 19:52:46,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112640029] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:46,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623650032] [2024-09-12 19:52:46,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:46,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:46,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:46,875 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 19:52:46,876 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 19:52:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:46,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-12 19:52:46,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:47,265 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 74 proven. 266 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-12 19:52:47,266 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:52:47,601 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 339 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-12 19:52:47,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623650032] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:52:47,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:52:47,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 33, 33] total 37 [2024-09-12 19:52:47,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129159700] [2024-09-12 19:52:47,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:52:47,602 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-09-12 19:52:47,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:47,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-09-12 19:52:47,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1167, Unknown=0, NotChecked=0, Total=1332 [2024-09-12 19:52:47,603 INFO L87 Difference]: Start difference. First operand 567 states and 689 transitions. Second operand has 37 states, 36 states have (on average 3.4444444444444446) internal successors, (124), 23 states have internal predecessors, (124), 18 states have call successors, (26), 16 states have call predecessors, (26), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-09-12 19:52:48,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:48,411 INFO L93 Difference]: Finished difference Result 1192 states and 1451 transitions. [2024-09-12 19:52:48,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-12 19:52:48,412 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.4444444444444446) internal successors, (124), 23 states have internal predecessors, (124), 18 states have call successors, (26), 16 states have call predecessors, (26), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 123 [2024-09-12 19:52:48,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:48,416 INFO L225 Difference]: With dead ends: 1192 [2024-09-12 19:52:48,416 INFO L226 Difference]: Without dead ends: 649 [2024-09-12 19:52:48,418 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 209 SyntacticMatches, 30 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1067 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=366, Invalid=2286, Unknown=0, NotChecked=0, Total=2652 [2024-09-12 19:52:48,418 INFO L434 NwaCegarLoop]: 141 mSDtfsCounter, 463 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:48,419 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 2050 Invalid, 1614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-12 19:52:48,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-09-12 19:52:48,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 614. [2024-09-12 19:52:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 488 states have (on average 1.1557377049180328) internal successors, (564), 482 states have internal predecessors, (564), 80 states have call successors, (80), 38 states have call predecessors, (80), 41 states have return successors, (112), 93 states have call predecessors, (112), 79 states have call successors, (112) [2024-09-12 19:52:48,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 756 transitions. [2024-09-12 19:52:48,474 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 756 transitions. Word has length 123 [2024-09-12 19:52:48,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:48,475 INFO L474 AbstractCegarLoop]: Abstraction has 614 states and 756 transitions. [2024-09-12 19:52:48,475 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.4444444444444446) internal successors, (124), 23 states have internal predecessors, (124), 18 states have call successors, (26), 16 states have call predecessors, (26), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-09-12 19:52:48,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:48,475 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 756 transitions. [2024-09-12 19:52:48,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-09-12 19:52:48,477 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:48,477 INFO L216 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 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 19:52:48,491 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-12 19:52:48,678 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 19:52:48,679 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:48,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:48,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1506735165, now seen corresponding path program 1 times [2024-09-12 19:52:48,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:48,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046048735] [2024-09-12 19:52:48,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:48,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:48,736 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:48,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-09-12 19:52:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:48,749 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-09-12 19:52:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:48,754 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:48,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:52:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:48,757 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-09-12 19:52:48,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:48,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046048735] [2024-09-12 19:52:48,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046048735] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:48,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444130004] [2024-09-12 19:52:48,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:48,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:48,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:48,760 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 19:52:48,762 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 19:52:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:48,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-12 19:52:48,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:49,133 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 256 proven. 98 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-12 19:52:49,133 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:52:49,509 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 256 proven. 98 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-12 19:52:49,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444130004] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:52:49,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:52:49,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 33, 33] total 37 [2024-09-12 19:52:49,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024702080] [2024-09-12 19:52:49,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:52:49,510 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-09-12 19:52:49,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:49,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-09-12 19:52:49,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1174, Unknown=0, NotChecked=0, Total=1332 [2024-09-12 19:52:49,511 INFO L87 Difference]: Start difference. First operand 614 states and 756 transitions. Second operand has 37 states, 36 states have (on average 3.3333333333333335) internal successors, (120), 23 states have internal predecessors, (120), 18 states have call successors, (25), 15 states have call predecessors, (25), 3 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-09-12 19:52:50,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:50,581 INFO L93 Difference]: Finished difference Result 2055 states and 2724 transitions. [2024-09-12 19:52:50,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-12 19:52:50,585 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.3333333333333335) internal successors, (120), 23 states have internal predecessors, (120), 18 states have call successors, (25), 15 states have call predecessors, (25), 3 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 125 [2024-09-12 19:52:50,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:50,592 INFO L225 Difference]: With dead ends: 2055 [2024-09-12 19:52:50,592 INFO L226 Difference]: Without dead ends: 1465 [2024-09-12 19:52:50,596 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 212 SyntacticMatches, 30 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1872 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=724, Invalid=4106, Unknown=0, NotChecked=0, Total=4830 [2024-09-12 19:52:50,596 INFO L434 NwaCegarLoop]: 38 mSDtfsCounter, 687 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:50,596 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 727 Invalid, 1904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-09-12 19:52:50,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2024-09-12 19:52:50,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1390. [2024-09-12 19:52:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1115 states have (on average 1.1542600896860986) internal successors, (1287), 1089 states have internal predecessors, (1287), 176 states have call successors, (176), 81 states have call predecessors, (176), 94 states have return successors, (269), 219 states have call predecessors, (269), 175 states have call successors, (269) [2024-09-12 19:52:50,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1732 transitions. [2024-09-12 19:52:50,735 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1732 transitions. Word has length 125 [2024-09-12 19:52:50,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:50,736 INFO L474 AbstractCegarLoop]: Abstraction has 1390 states and 1732 transitions. [2024-09-12 19:52:50,736 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.3333333333333335) internal successors, (120), 23 states have internal predecessors, (120), 18 states have call successors, (25), 15 states have call predecessors, (25), 3 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-09-12 19:52:50,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1732 transitions. [2024-09-12 19:52:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-09-12 19:52:50,737 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:50,737 INFO L216 NwaCegarLoop]: trace histogram [9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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 19:52:50,750 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 19:52:50,938 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 19:52:50,938 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:50,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:50,938 INFO L85 PathProgramCache]: Analyzing trace with hash -928935889, now seen corresponding path program 1 times [2024-09-12 19:52:50,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:50,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069282118] [2024-09-12 19:52:50,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:50,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,975 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-09-12 19:52:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,978 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,979 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:52:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,980 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-09-12 19:52:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:50,987 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-09-12 19:52:50,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:50,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069282118] [2024-09-12 19:52:50,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069282118] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:50,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:50,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 19:52:50,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059269953] [2024-09-12 19:52:50,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:50,988 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:50,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:50,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:50,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:50,989 INFO L87 Difference]: Start difference. First operand 1390 states and 1732 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 19:52:51,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:51,158 INFO L93 Difference]: Finished difference Result 1452 states and 1804 transitions. [2024-09-12 19:52:51,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:51,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 119 [2024-09-12 19:52:51,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:51,164 INFO L225 Difference]: With dead ends: 1452 [2024-09-12 19:52:51,164 INFO L226 Difference]: Without dead ends: 1451 [2024-09-12 19:52:51,165 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 19:52:51,166 INFO L434 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:51,166 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 125 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 19:52:51,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2024-09-12 19:52:51,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1399. [2024-09-12 19:52:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1399 states, 1124 states have (on average 1.1530249110320285) internal successors, (1296), 1095 states have internal predecessors, (1296), 176 states have call successors, (176), 81 states have call predecessors, (176), 94 states have return successors, (269), 222 states have call predecessors, (269), 175 states have call successors, (269) [2024-09-12 19:52:51,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1741 transitions. [2024-09-12 19:52:51,322 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1741 transitions. Word has length 119 [2024-09-12 19:52:51,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:51,323 INFO L474 AbstractCegarLoop]: Abstraction has 1399 states and 1741 transitions. [2024-09-12 19:52:51,323 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 19:52:51,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:51,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1741 transitions. [2024-09-12 19:52:51,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-09-12 19:52:51,324 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:51,324 INFO L216 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 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 19:52:51,324 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-09-12 19:52:51,324 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:51,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:51,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1603560780, now seen corresponding path program 1 times [2024-09-12 19:52:51,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:51,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842709880] [2024-09-12 19:52:51,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:51,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:51,337 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 19:52:51,394 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 83 [2024-09-12 19:52:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,415 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:52:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,433 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-09-12 19:52:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-09-12 19:52:51,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:51,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842709880] [2024-09-12 19:52:51,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842709880] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:51,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:51,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-12 19:52:51,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627263028] [2024-09-12 19:52:51,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:51,446 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-12 19:52:51,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:51,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-12 19:52:51,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-09-12 19:52:51,447 INFO L87 Difference]: Start difference. First operand 1399 states and 1741 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 19:52:51,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:51,652 INFO L93 Difference]: Finished difference Result 1615 states and 2072 transitions. [2024-09-12 19:52:51,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-12 19:52:51,652 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 120 [2024-09-12 19:52:51,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:51,662 INFO L225 Difference]: With dead ends: 1615 [2024-09-12 19:52:51,663 INFO L226 Difference]: Without dead ends: 1614 [2024-09-12 19:52:51,664 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 19:52:51,664 INFO L434 NwaCegarLoop]: 45 mSDtfsCounter, 6 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:51,665 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 338 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:52:51,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2024-09-12 19:52:51,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1442. [2024-09-12 19:52:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1156 states have (on average 1.1487889273356402) internal successors, (1328), 1130 states have internal predecessors, (1328), 179 states have call successors, (179), 81 states have call predecessors, (179), 102 states have return successors, (323), 230 states have call predecessors, (323), 178 states have call successors, (323) [2024-09-12 19:52:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 1830 transitions. [2024-09-12 19:52:51,848 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 1830 transitions. Word has length 120 [2024-09-12 19:52:51,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:51,849 INFO L474 AbstractCegarLoop]: Abstraction has 1442 states and 1830 transitions. [2024-09-12 19:52:51,849 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 19:52:51,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:51,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1830 transitions. [2024-09-12 19:52:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-09-12 19:52:51,850 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:51,850 INFO L216 NwaCegarLoop]: trace histogram [10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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 19:52:51,850 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-09-12 19:52:51,851 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:51,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:51,851 INFO L85 PathProgramCache]: Analyzing trace with hash -54009431, now seen corresponding path program 1 times [2024-09-12 19:52:51,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:51,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085073972] [2024-09-12 19:52:51,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:51,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,896 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,897 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 19:52:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,907 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-09-12 19:52:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,912 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:52:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-09-12 19:52:51,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:51,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085073972] [2024-09-12 19:52:51,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085073972] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:51,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286634334] [2024-09-12 19:52:51,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:51,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:51,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:51,962 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 19:52:51,974 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 19:52:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:52,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-09-12 19:52:52,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:52,423 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 297 proven. 88 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-12 19:52:52,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:52:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 297 proven. 88 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-12 19:52:52,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286634334] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:52:52,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:52:52,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 35, 35] total 70 [2024-09-12 19:52:52,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780052535] [2024-09-12 19:52:52,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:52:52,943 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-09-12 19:52:52,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:52,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-09-12 19:52:52,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=4267, Unknown=0, NotChecked=0, Total=4830 [2024-09-12 19:52:52,946 INFO L87 Difference]: Start difference. First operand 1442 states and 1830 transitions. Second operand has 70 states, 68 states have (on average 2.985294117647059) internal successors, (203), 40 states have internal predecessors, (203), 35 states have call successors, (43), 31 states have call predecessors, (43), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2024-09-12 19:52:54,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:54,490 INFO L93 Difference]: Finished difference Result 3140 states and 4188 transitions. [2024-09-12 19:52:54,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-09-12 19:52:54,490 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 68 states have (on average 2.985294117647059) internal successors, (203), 40 states have internal predecessors, (203), 35 states have call successors, (43), 31 states have call predecessors, (43), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) Word has length 129 [2024-09-12 19:52:54,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:54,502 INFO L225 Difference]: With dead ends: 3140 [2024-09-12 19:52:54,502 INFO L226 Difference]: Without dead ends: 1795 [2024-09-12 19:52:54,513 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5300 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=2128, Invalid=12634, Unknown=0, NotChecked=0, Total=14762 [2024-09-12 19:52:54,514 INFO L434 NwaCegarLoop]: 41 mSDtfsCounter, 1190 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 347 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 2583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 347 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:54,514 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 1087 Invalid, 2583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [347 Valid, 2236 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-09-12 19:52:54,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2024-09-12 19:52:54,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1683. [2024-09-12 19:52:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1683 states, 1344 states have (on average 1.1421130952380953) internal successors, (1535), 1323 states have internal predecessors, (1535), 207 states have call successors, (207), 92 states have call predecessors, (207), 127 states have return successors, (384), 267 states have call predecessors, (384), 206 states have call successors, (384) [2024-09-12 19:52:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2126 transitions. [2024-09-12 19:52:54,760 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2126 transitions. Word has length 129 [2024-09-12 19:52:54,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:54,761 INFO L474 AbstractCegarLoop]: Abstraction has 1683 states and 2126 transitions. [2024-09-12 19:52:54,761 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 68 states have (on average 2.985294117647059) internal successors, (203), 40 states have internal predecessors, (203), 35 states have call successors, (43), 31 states have call predecessors, (43), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2024-09-12 19:52:54,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:54,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2126 transitions. [2024-09-12 19:52:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-09-12 19:52:54,762 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:54,762 INFO L216 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 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 19:52:54,774 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 19:52:54,966 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-09-12 19:52:54,967 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:54,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:54,967 INFO L85 PathProgramCache]: Analyzing trace with hash 824902016, now seen corresponding path program 1 times [2024-09-12 19:52:54,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:54,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471772350] [2024-09-12 19:52:54,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:54,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,002 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,004 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-09-12 19:52:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,007 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:52:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,008 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-09-12 19:52:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-09-12 19:52:55,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:55,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471772350] [2024-09-12 19:52:55,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471772350] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 19:52:55,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 19:52:55,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 19:52:55,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471254171] [2024-09-12 19:52:55,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 19:52:55,017 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 19:52:55,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:55,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 19:52:55,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 19:52:55,018 INFO L87 Difference]: Start difference. First operand 1683 states and 2126 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 19:52:55,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:55,204 INFO L93 Difference]: Finished difference Result 1737 states and 2194 transitions. [2024-09-12 19:52:55,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 19:52:55,207 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 124 [2024-09-12 19:52:55,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:55,215 INFO L225 Difference]: With dead ends: 1737 [2024-09-12 19:52:55,215 INFO L226 Difference]: Without dead ends: 1736 [2024-09-12 19:52:55,216 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 19:52:55,216 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 19:52:55,216 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 19:52:55,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2024-09-12 19:52:55,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1698. [2024-09-12 19:52:55,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1698 states, 1358 states have (on average 1.1391752577319587) internal successors, (1547), 1334 states have internal predecessors, (1547), 206 states have call successors, (206), 92 states have call predecessors, (206), 129 states have return successors, (386), 271 states have call predecessors, (386), 205 states have call successors, (386) [2024-09-12 19:52:55,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 2139 transitions. [2024-09-12 19:52:55,400 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 2139 transitions. Word has length 124 [2024-09-12 19:52:55,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:55,401 INFO L474 AbstractCegarLoop]: Abstraction has 1698 states and 2139 transitions. [2024-09-12 19:52:55,401 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 19:52:55,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:55,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2139 transitions. [2024-09-12 19:52:55,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-09-12 19:52:55,402 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:55,402 INFO L216 NwaCegarLoop]: trace histogram [11, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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 19:52:55,403 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-09-12 19:52:55,403 INFO L399 AbstractCegarLoop]: === Iteration 24 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:55,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:55,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1006210706, now seen corresponding path program 1 times [2024-09-12 19:52:55,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:55,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882654029] [2024-09-12 19:52:55,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:55,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,708 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-09-12 19:52:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,712 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,713 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:52:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,714 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-09-12 19:52:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,808 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,815 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,817 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:52:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,818 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 19:52:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,821 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 236 proven. 193 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-09-12 19:52:55,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:55,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882654029] [2024-09-12 19:52:55,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882654029] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:55,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270512906] [2024-09-12 19:52:55,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:55,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:55,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:55,823 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 19:52:55,825 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 19:52:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:55,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-12 19:52:55,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:56,015 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 243 proven. 196 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-12 19:52:56,015 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:52:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 243 proven. 196 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-12 19:52:56,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270512906] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:52:56,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:52:56,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 38 [2024-09-12 19:52:56,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459025298] [2024-09-12 19:52:56,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:52:56,442 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-09-12 19:52:56,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:56,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-09-12 19:52:56,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1247, Unknown=0, NotChecked=0, Total=1406 [2024-09-12 19:52:56,444 INFO L87 Difference]: Start difference. First operand 1698 states and 2139 transitions. Second operand has 38 states, 37 states have (on average 3.72972972972973) internal successors, (138), 25 states have internal predecessors, (138), 20 states have call successors, (28), 14 states have call predecessors, (28), 3 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) [2024-09-12 19:52:57,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:57,610 INFO L93 Difference]: Finished difference Result 3605 states and 4541 transitions. [2024-09-12 19:52:57,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-09-12 19:52:57,610 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 3.72972972972973) internal successors, (138), 25 states have internal predecessors, (138), 20 states have call successors, (28), 14 states have call predecessors, (28), 3 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) Word has length 156 [2024-09-12 19:52:57,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:57,621 INFO L225 Difference]: With dead ends: 3605 [2024-09-12 19:52:57,621 INFO L226 Difference]: Without dead ends: 2028 [2024-09-12 19:52:57,628 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 312 SyntacticMatches, 29 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2232 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=930, Invalid=5232, Unknown=0, NotChecked=0, Total=6162 [2024-09-12 19:52:57,628 INFO L434 NwaCegarLoop]: 40 mSDtfsCounter, 768 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:57,629 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 686 Invalid, 1556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 1327 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-12 19:52:57,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2028 states. [2024-09-12 19:52:57,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2028 to 1883. [2024-09-12 19:52:57,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1883 states, 1502 states have (on average 1.1424766977363516) internal successors, (1716), 1478 states have internal predecessors, (1716), 228 states have call successors, (228), 106 states have call predecessors, (228), 148 states have return successors, (435), 298 states have call predecessors, (435), 227 states have call successors, (435) [2024-09-12 19:52:57,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2379 transitions. [2024-09-12 19:52:57,868 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2379 transitions. Word has length 156 [2024-09-12 19:52:57,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:52:57,869 INFO L474 AbstractCegarLoop]: Abstraction has 1883 states and 2379 transitions. [2024-09-12 19:52:57,869 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 3.72972972972973) internal successors, (138), 25 states have internal predecessors, (138), 20 states have call successors, (28), 14 states have call predecessors, (28), 3 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) [2024-09-12 19:52:57,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:57,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2379 transitions. [2024-09-12 19:52:57,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-09-12 19:52:57,870 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:52:57,870 INFO L216 NwaCegarLoop]: trace histogram [10, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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 19:52:57,884 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-09-12 19:52:58,074 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,12 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:58,075 INFO L399 AbstractCegarLoop]: === Iteration 25 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:52:58,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:52:58,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1990365906, now seen corresponding path program 1 times [2024-09-12 19:52:58,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:52:58,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466408439] [2024-09-12 19:52:58,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:58,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:52:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:58,393 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:52:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:58,395 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 19:52:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:58,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:58,492 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:52:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:58,494 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:52:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:58,496 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:52:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:58,534 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-09-12 19:52:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:58,537 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 11 proven. 316 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-09-12 19:52:58,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:52:58,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466408439] [2024-09-12 19:52:58,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466408439] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:52:58,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587346280] [2024-09-12 19:52:58,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:52:58,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:52:58,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:52:58,553 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 19:52:58,554 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 19:52:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:52:58,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-12 19:52:58,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:52:58,715 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 46 proven. 297 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-12 19:52:58,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:52:59,073 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 14 proven. 319 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-09-12 19:52:59,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587346280] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:52:59,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:52:59,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 31, 31] total 38 [2024-09-12 19:52:59,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904100645] [2024-09-12 19:52:59,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:52:59,074 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-09-12 19:52:59,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:52:59,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-09-12 19:52:59,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1234, Unknown=0, NotChecked=0, Total=1406 [2024-09-12 19:52:59,075 INFO L87 Difference]: Start difference. First operand 1883 states and 2379 transitions. Second operand has 38 states, 37 states have (on average 3.675675675675676) internal successors, (136), 26 states have internal predecessors, (136), 19 states have call successors, (27), 14 states have call predecessors, (27), 5 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2024-09-12 19:52:59,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:52:59,956 INFO L93 Difference]: Finished difference Result 3829 states and 4947 transitions. [2024-09-12 19:52:59,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-12 19:52:59,957 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 3.675675675675676) internal successors, (136), 26 states have internal predecessors, (136), 19 states have call successors, (27), 14 states have call predecessors, (27), 5 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) Word has length 133 [2024-09-12 19:52:59,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:52:59,968 INFO L225 Difference]: With dead ends: 3829 [2024-09-12 19:52:59,968 INFO L226 Difference]: Without dead ends: 2043 [2024-09-12 19:52:59,975 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 264 SyntacticMatches, 27 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=388, Invalid=2368, Unknown=0, NotChecked=0, Total=2756 [2024-09-12 19:52:59,975 INFO L434 NwaCegarLoop]: 133 mSDtfsCounter, 429 mSDsluCounter, 1550 mSDsCounter, 0 mSdLazyCounter, 1234 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 1318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 19:52:59,976 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 1683 Invalid, 1318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 19:52:59,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2024-09-12 19:53:00,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 1885. [2024-09-12 19:53:00,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1885 states, 1504 states have (on average 1.1409574468085106) internal successors, (1716), 1478 states have internal predecessors, (1716), 230 states have call successors, (230), 106 states have call predecessors, (230), 146 states have return successors, (414), 300 states have call predecessors, (414), 226 states have call successors, (414) [2024-09-12 19:53:00,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 2360 transitions. [2024-09-12 19:53:00,220 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 2360 transitions. Word has length 133 [2024-09-12 19:53:00,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:00,221 INFO L474 AbstractCegarLoop]: Abstraction has 1885 states and 2360 transitions. [2024-09-12 19:53:00,221 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 3.675675675675676) internal successors, (136), 26 states have internal predecessors, (136), 19 states have call successors, (27), 14 states have call predecessors, (27), 5 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2024-09-12 19:53:00,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2360 transitions. [2024-09-12 19:53:00,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-09-12 19:53:00,222 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:00,222 INFO L216 NwaCegarLoop]: trace histogram [10, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 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 19:53:00,237 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 19:53:00,423 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-09-12 19:53:00,423 INFO L399 AbstractCegarLoop]: === Iteration 26 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:00,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:00,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1151880913, now seen corresponding path program 1 times [2024-09-12 19:53:00,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:00,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593070216] [2024-09-12 19:53:00,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:00,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:00,682 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:00,683 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 19:53:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:00,689 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:00,691 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:00,692 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:00,692 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:00,693 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-09-12 19:53:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:00,720 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 18 proven. 318 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-12 19:53:00,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:00,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593070216] [2024-09-12 19:53:00,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593070216] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:00,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678418278] [2024-09-12 19:53:00,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:00,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:00,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:00,722 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 19:53:00,723 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 19:53:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:00,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-12 19:53:00,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 18 proven. 318 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-12 19:53:00,855 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:01,140 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 18 proven. 318 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-12 19:53:01,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678418278] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:01,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:01,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 31 [2024-09-12 19:53:01,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054253964] [2024-09-12 19:53:01,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:01,141 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-09-12 19:53:01,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:01,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-09-12 19:53:01,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=801, Unknown=0, NotChecked=0, Total=930 [2024-09-12 19:53:01,142 INFO L87 Difference]: Start difference. First operand 1885 states and 2360 transitions. Second operand has 31 states, 30 states have (on average 3.5) internal successors, (105), 19 states have internal predecessors, (105), 14 states have call successors, (20), 13 states have call predecessors, (20), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-09-12 19:53:01,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:01,837 INFO L93 Difference]: Finished difference Result 3660 states and 4589 transitions. [2024-09-12 19:53:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-12 19:53:01,837 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.5) internal successors, (105), 19 states have internal predecessors, (105), 14 states have call successors, (20), 13 states have call predecessors, (20), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 134 [2024-09-12 19:53:01,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:01,848 INFO L225 Difference]: With dead ends: 3660 [2024-09-12 19:53:01,849 INFO L226 Difference]: Without dead ends: 1905 [2024-09-12 19:53:01,855 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 266 SyntacticMatches, 26 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=285, Invalid=1521, Unknown=0, NotChecked=0, Total=1806 [2024-09-12 19:53:01,855 INFO L434 NwaCegarLoop]: 127 mSDtfsCounter, 337 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:01,855 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 1474 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 19:53:01,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2024-09-12 19:53:02,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1881. [2024-09-12 19:53:02,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1881 states, 1500 states have (on average 1.1413333333333333) internal successors, (1712), 1476 states have internal predecessors, (1712), 230 states have call successors, (230), 106 states have call predecessors, (230), 146 states have return successors, (412), 298 states have call predecessors, (412), 226 states have call successors, (412) [2024-09-12 19:53:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2354 transitions. [2024-09-12 19:53:02,092 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2354 transitions. Word has length 134 [2024-09-12 19:53:02,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:02,092 INFO L474 AbstractCegarLoop]: Abstraction has 1881 states and 2354 transitions. [2024-09-12 19:53:02,093 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.5) internal successors, (105), 19 states have internal predecessors, (105), 14 states have call successors, (20), 13 states have call predecessors, (20), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-09-12 19:53:02,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:02,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2354 transitions. [2024-09-12 19:53:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-09-12 19:53:02,094 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:02,094 INFO L216 NwaCegarLoop]: trace histogram [10, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 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 19:53:02,106 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-09-12 19:53:02,297 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-09-12 19:53:02,298 INFO L399 AbstractCegarLoop]: === Iteration 27 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:02,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:02,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1157239167, now seen corresponding path program 1 times [2024-09-12 19:53:02,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:02,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581130626] [2024-09-12 19:53:02,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:02,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:02,593 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:02,594 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-09-12 19:53:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:02,603 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:02,634 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:02,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:53:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:02,666 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-09-12 19:53:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:02,667 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-09-12 19:53:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 221 proven. 144 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-12 19:53:02,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:02,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581130626] [2024-09-12 19:53:02,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581130626] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:02,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116156750] [2024-09-12 19:53:02,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:02,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:02,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:02,670 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 19:53:02,671 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 19:53:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:02,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-12 19:53:02,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:02,848 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-09-12 19:53:02,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2024-09-12 19:53:03,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116156750] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:03,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:03,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 9, 11] total 48 [2024-09-12 19:53:03,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16678134] [2024-09-12 19:53:03,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:03,231 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-09-12 19:53:03,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:03,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-09-12 19:53:03,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=2065, Unknown=0, NotChecked=0, Total=2256 [2024-09-12 19:53:03,233 INFO L87 Difference]: Start difference. First operand 1881 states and 2354 transitions. Second operand has 48 states, 47 states have (on average 3.0638297872340425) internal successors, (144), 35 states have internal predecessors, (144), 21 states have call successors, (26), 14 states have call predecessors, (26), 8 states have return successors, (16), 12 states have call predecessors, (16), 8 states have call successors, (16) [2024-09-12 19:53:06,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:06,792 INFO L93 Difference]: Finished difference Result 5154 states and 7306 transitions. [2024-09-12 19:53:06,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2024-09-12 19:53:06,793 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 3.0638297872340425) internal successors, (144), 35 states have internal predecessors, (144), 21 states have call successors, (26), 14 states have call predecessors, (26), 8 states have return successors, (16), 12 states have call predecessors, (16), 8 states have call successors, (16) Word has length 138 [2024-09-12 19:53:06,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:06,810 INFO L225 Difference]: With dead ends: 5154 [2024-09-12 19:53:06,811 INFO L226 Difference]: Without dead ends: 3328 [2024-09-12 19:53:06,824 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 323 SyntacticMatches, 3 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12862 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=4451, Invalid=32221, Unknown=0, NotChecked=0, Total=36672 [2024-09-12 19:53:06,824 INFO L434 NwaCegarLoop]: 37 mSDtfsCounter, 828 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 3582 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 3947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 3582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:06,824 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 998 Invalid, 3947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 3582 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-09-12 19:53:06,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3328 states. [2024-09-12 19:53:07,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3328 to 2608. [2024-09-12 19:53:07,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2608 states, 2084 states have (on average 1.138675623800384) internal successors, (2373), 2025 states have internal predecessors, (2373), 293 states have call successors, (293), 106 states have call predecessors, (293), 226 states have return successors, (789), 476 states have call predecessors, (789), 292 states have call successors, (789) [2024-09-12 19:53:07,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2608 states and 3455 transitions. [2024-09-12 19:53:07,213 INFO L78 Accepts]: Start accepts. Automaton has 2608 states and 3455 transitions. Word has length 138 [2024-09-12 19:53:07,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:07,214 INFO L474 AbstractCegarLoop]: Abstraction has 2608 states and 3455 transitions. [2024-09-12 19:53:07,214 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 3.0638297872340425) internal successors, (144), 35 states have internal predecessors, (144), 21 states have call successors, (26), 14 states have call predecessors, (26), 8 states have return successors, (16), 12 states have call predecessors, (16), 8 states have call successors, (16) [2024-09-12 19:53:07,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:07,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2608 states and 3455 transitions. [2024-09-12 19:53:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-09-12 19:53:07,215 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:07,215 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 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 19:53:07,227 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 19:53:07,419 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-09-12 19:53:07,420 INFO L399 AbstractCegarLoop]: === Iteration 28 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:07,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:07,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2068210320, now seen corresponding path program 1 times [2024-09-12 19:53:07,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:07,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831899432] [2024-09-12 19:53:07,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:07,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:07,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:07,518 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 19:53:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:07,548 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:07,573 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:07,583 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:07,593 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:07,597 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-09-12 19:53:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:07,615 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:07,619 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:07,629 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-09-12 19:53:07,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:07,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831899432] [2024-09-12 19:53:07,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831899432] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:07,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994955588] [2024-09-12 19:53:07,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:07,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:07,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:07,631 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 19:53:07,632 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 19:53:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:07,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-12 19:53:07,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-09-12 19:53:07,783 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:08,116 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2024-09-12 19:53:08,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994955588] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:08,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:08,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 15] total 28 [2024-09-12 19:53:08,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965910338] [2024-09-12 19:53:08,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:08,117 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-12 19:53:08,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:08,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-12 19:53:08,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2024-09-12 19:53:08,117 INFO L87 Difference]: Start difference. First operand 2608 states and 3455 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 19:53:09,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:09,219 INFO L93 Difference]: Finished difference Result 5103 states and 7905 transitions. [2024-09-12 19:53:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-12 19:53:09,219 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 152 [2024-09-12 19:53:09,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:09,243 INFO L225 Difference]: With dead ends: 5103 [2024-09-12 19:53:09,243 INFO L226 Difference]: Without dead ends: 5101 [2024-09-12 19:53:09,246 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 306 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=273, Invalid=1533, Unknown=0, NotChecked=0, Total=1806 [2024-09-12 19:53:09,246 INFO L434 NwaCegarLoop]: 46 mSDtfsCounter, 28 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:09,246 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 614 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:53:09,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5101 states. [2024-09-12 19:53:09,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5101 to 4229. [2024-09-12 19:53:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4229 states, 3375 states have (on average 1.1152592592592592) internal successors, (3764), 3274 states have internal predecessors, (3764), 437 states have call successors, (437), 106 states have call predecessors, (437), 412 states have return successors, (2116), 848 states have call predecessors, (2116), 436 states have call successors, (2116) [2024-09-12 19:53:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4229 states to 4229 states and 6317 transitions. [2024-09-12 19:53:09,972 INFO L78 Accepts]: Start accepts. Automaton has 4229 states and 6317 transitions. Word has length 152 [2024-09-12 19:53:09,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:09,973 INFO L474 AbstractCegarLoop]: Abstraction has 4229 states and 6317 transitions. [2024-09-12 19:53:09,973 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 19:53:09,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:09,974 INFO L276 IsEmpty]: Start isEmpty. Operand 4229 states and 6317 transitions. [2024-09-12 19:53:09,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-09-12 19:53:09,978 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:09,978 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 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 19:53:09,993 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-09-12 19:53:10,182 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-09-12 19:53:10,183 INFO L399 AbstractCegarLoop]: === Iteration 29 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:10,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:10,183 INFO L85 PathProgramCache]: Analyzing trace with hash 309989593, now seen corresponding path program 1 times [2024-09-12 19:53:10,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:10,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981524733] [2024-09-12 19:53:10,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:10,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:10,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:10,274 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-12 19:53:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:10,301 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:10,329 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:10,338 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:10,347 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:10,351 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-09-12 19:53:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:10,367 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:10,370 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 13 proven. 13 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-09-12 19:53:10,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:10,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981524733] [2024-09-12 19:53:10,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981524733] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:10,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529725596] [2024-09-12 19:53:10,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:10,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:10,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:10,382 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 19:53:10,383 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 19:53:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:10,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-12 19:53:10,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:10,529 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 13 proven. 13 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-09-12 19:53:10,529 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2024-09-12 19:53:10,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529725596] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:10,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:10,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 16] total 26 [2024-09-12 19:53:10,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937454280] [2024-09-12 19:53:10,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:10,878 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-12 19:53:10,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:10,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-12 19:53:10,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2024-09-12 19:53:10,878 INFO L87 Difference]: Start difference. First operand 4229 states and 6317 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 19:53:12,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:12,191 INFO L93 Difference]: Finished difference Result 6136 states and 10107 transitions. [2024-09-12 19:53:12,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-12 19:53:12,191 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 153 [2024-09-12 19:53:12,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:12,221 INFO L225 Difference]: With dead ends: 6136 [2024-09-12 19:53:12,221 INFO L226 Difference]: Without dead ends: 6134 [2024-09-12 19:53:12,225 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 308 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=950, Unknown=0, NotChecked=0, Total=1122 [2024-09-12 19:53:12,225 INFO L434 NwaCegarLoop]: 42 mSDtfsCounter, 22 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:12,226 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 451 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:53:12,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6134 states. [2024-09-12 19:53:13,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6134 to 4947. [2024-09-12 19:53:13,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4947 states, 3941 states have (on average 1.1017508246637908) internal successors, (4342), 3828 states have internal predecessors, (4342), 505 states have call successors, (505), 106 states have call predecessors, (505), 496 states have return successors, (3187), 1012 states have call predecessors, (3187), 504 states have call successors, (3187) [2024-09-12 19:53:13,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4947 states to 4947 states and 8034 transitions. [2024-09-12 19:53:13,114 INFO L78 Accepts]: Start accepts. Automaton has 4947 states and 8034 transitions. Word has length 153 [2024-09-12 19:53:13,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:13,114 INFO L474 AbstractCegarLoop]: Abstraction has 4947 states and 8034 transitions. [2024-09-12 19:53:13,114 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 19:53:13,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:13,114 INFO L276 IsEmpty]: Start isEmpty. Operand 4947 states and 8034 transitions. [2024-09-12 19:53:13,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-09-12 19:53:13,115 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:13,115 INFO L216 NwaCegarLoop]: trace histogram [12, 11, 11, 10, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:53:13,127 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 19:53:13,316 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,17 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:13,316 INFO L399 AbstractCegarLoop]: === Iteration 30 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:13,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:13,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1629953553, now seen corresponding path program 1 times [2024-09-12 19:53:13,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:13,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394274668] [2024-09-12 19:53:13,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:13,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,582 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,583 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-09-12 19:53:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,594 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,596 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,597 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,597 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,598 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,600 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,601 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,602 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-09-12 19:53:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,646 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,677 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 68 proven. 422 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-09-12 19:53:13,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:13,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394274668] [2024-09-12 19:53:13,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394274668] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:13,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772503677] [2024-09-12 19:53:13,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:13,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:13,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:13,679 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 19:53:13,679 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 19:53:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:13,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-12 19:53:13,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:13,820 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 68 proven. 422 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-09-12 19:53:13,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 68 proven. 422 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-09-12 19:53:14,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772503677] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:14,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:14,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 34 [2024-09-12 19:53:14,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184102227] [2024-09-12 19:53:14,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:14,129 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-09-12 19:53:14,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:14,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-09-12 19:53:14,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=984, Unknown=0, NotChecked=0, Total=1122 [2024-09-12 19:53:14,130 INFO L87 Difference]: Start difference. First operand 4947 states and 8034 transitions. Second operand has 34 states, 33 states have (on average 3.8181818181818183) internal successors, (126), 23 states have internal predecessors, (126), 18 states have call successors, (24), 12 states have call predecessors, (24), 3 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) [2024-09-12 19:53:15,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:15,707 INFO L93 Difference]: Finished difference Result 9953 states and 16321 transitions. [2024-09-12 19:53:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-12 19:53:15,708 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 3.8181818181818183) internal successors, (126), 23 states have internal predecessors, (126), 18 states have call successors, (24), 12 states have call predecessors, (24), 3 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) Word has length 187 [2024-09-12 19:53:15,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:15,738 INFO L225 Difference]: With dead ends: 9953 [2024-09-12 19:53:15,738 INFO L226 Difference]: Without dead ends: 5111 [2024-09-12 19:53:15,766 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 381 SyntacticMatches, 25 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 766 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=296, Invalid=1774, Unknown=0, NotChecked=0, Total=2070 [2024-09-12 19:53:15,767 INFO L434 NwaCegarLoop]: 117 mSDtfsCounter, 423 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:15,767 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 1319 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1241 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 19:53:15,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5111 states. [2024-09-12 19:53:16,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5111 to 5017. [2024-09-12 19:53:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5017 states, 3998 states have (on average 1.1018009004502252) internal successors, (4405), 3882 states have internal predecessors, (4405), 512 states have call successors, (512), 111 states have call predecessors, (512), 502 states have return successors, (3203), 1023 states have call predecessors, (3203), 511 states have call successors, (3203) [2024-09-12 19:53:16,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5017 states to 5017 states and 8120 transitions. [2024-09-12 19:53:16,716 INFO L78 Accepts]: Start accepts. Automaton has 5017 states and 8120 transitions. Word has length 187 [2024-09-12 19:53:16,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:16,716 INFO L474 AbstractCegarLoop]: Abstraction has 5017 states and 8120 transitions. [2024-09-12 19:53:16,717 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 3.8181818181818183) internal successors, (126), 23 states have internal predecessors, (126), 18 states have call successors, (24), 12 states have call predecessors, (24), 3 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) [2024-09-12 19:53:16,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:16,717 INFO L276 IsEmpty]: Start isEmpty. Operand 5017 states and 8120 transitions. [2024-09-12 19:53:16,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-09-12 19:53:16,718 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:16,718 INFO L216 NwaCegarLoop]: trace histogram [13, 12, 11, 11, 9, 9, 9, 9, 8, 8, 8, 8, 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 19:53:16,730 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-09-12 19:53:16,918 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:16,919 INFO L399 AbstractCegarLoop]: === Iteration 31 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:16,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:16,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1535740233, now seen corresponding path program 2 times [2024-09-12 19:53:16,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:16,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125936683] [2024-09-12 19:53:16,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:16,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,096 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-09-12 19:53:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,141 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,170 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,198 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,218 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,239 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,253 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-09-12 19:53:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,285 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,294 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,297 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,300 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 45 proven. 59 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2024-09-12 19:53:17,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:17,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125936683] [2024-09-12 19:53:17,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125936683] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:17,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144875707] [2024-09-12 19:53:17,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 19:53:17,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:17,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:17,306 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 19:53:17,308 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 19:53:17,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 19:53:17,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:53:17,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-12 19:53:17,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:17,514 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 45 proven. 59 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2024-09-12 19:53:17,514 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 74 proven. 54 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2024-09-12 19:53:18,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144875707] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:18,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:18,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 22] total 36 [2024-09-12 19:53:18,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421482921] [2024-09-12 19:53:18,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:18,292 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-09-12 19:53:18,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:18,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-09-12 19:53:18,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1152, Unknown=0, NotChecked=0, Total=1332 [2024-09-12 19:53:18,293 INFO L87 Difference]: Start difference. First operand 5017 states and 8120 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 19:53:20,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:20,326 INFO L93 Difference]: Finished difference Result 7981 states and 15262 transitions. [2024-09-12 19:53:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-09-12 19:53:20,326 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 206 [2024-09-12 19:53:20,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:20,367 INFO L225 Difference]: With dead ends: 7981 [2024-09-12 19:53:20,367 INFO L226 Difference]: Without dead ends: 7979 [2024-09-12 19:53:20,374 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 419 SyntacticMatches, 16 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1322 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=396, Invalid=2466, Unknown=0, NotChecked=0, Total=2862 [2024-09-12 19:53:20,374 INFO L434 NwaCegarLoop]: 43 mSDtfsCounter, 28 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:20,374 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 633 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 19:53:20,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7979 states. [2024-09-12 19:53:21,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7979 to 5577. [2024-09-12 19:53:21,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5577 states, 4430 states have (on average 1.082392776523702) internal successors, (4795), 4323 states have internal predecessors, (4795), 565 states have call successors, (565), 111 states have call predecessors, (565), 577 states have return successors, (4729), 1142 states have call predecessors, (4729), 564 states have call successors, (4729) [2024-09-12 19:53:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5577 states to 5577 states and 10089 transitions. [2024-09-12 19:53:21,490 INFO L78 Accepts]: Start accepts. Automaton has 5577 states and 10089 transitions. Word has length 206 [2024-09-12 19:53:21,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:21,490 INFO L474 AbstractCegarLoop]: Abstraction has 5577 states and 10089 transitions. [2024-09-12 19:53:21,491 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 19:53:21,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 5577 states and 10089 transitions. [2024-09-12 19:53:21,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-09-12 19:53:21,493 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:21,493 INFO L216 NwaCegarLoop]: trace histogram [15, 15, 13, 13, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:53:21,505 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-09-12 19:53:21,693 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:21,693 INFO L399 AbstractCegarLoop]: === Iteration 32 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:21,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:21,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1199693873, now seen corresponding path program 2 times [2024-09-12 19:53:21,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:21,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951711794] [2024-09-12 19:53:21,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:21,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-09-12 19:53:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,957 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,960 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,964 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,966 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,967 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,971 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,972 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:21,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-09-12 19:53:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,021 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,083 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 19:53:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:22,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 178 proven. 551 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-09-12 19:53:22,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:22,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951711794] [2024-09-12 19:53:22,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951711794] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:22,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253396177] [2024-09-12 19:53:22,088 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 19:53:22,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:22,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:22,089 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 19:53:22,091 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 19:53:22,165 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 19:53:22,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:53:22,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-12 19:53:22,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 456 proven. 457 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-09-12 19:53:22,285 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:22,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 109 proven. 616 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-09-12 19:53:22,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253396177] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:22,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:22,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 29] total 37 [2024-09-12 19:53:22,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838281444] [2024-09-12 19:53:22,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:22,746 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-09-12 19:53:22,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:22,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-09-12 19:53:22,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1176, Unknown=0, NotChecked=0, Total=1332 [2024-09-12 19:53:22,747 INFO L87 Difference]: Start difference. First operand 5577 states and 10089 transitions. Second operand has 37 states, 36 states have (on average 4.888888888888889) internal successors, (176), 27 states have internal predecessors, (176), 21 states have call successors, (35), 12 states have call predecessors, (35), 7 states have return successors, (25), 12 states have call predecessors, (25), 11 states have call successors, (25) [2024-09-12 19:53:24,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:24,212 INFO L93 Difference]: Finished difference Result 10627 states and 21155 transitions. [2024-09-12 19:53:24,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-12 19:53:24,212 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 4.888888888888889) internal successors, (176), 27 states have internal predecessors, (176), 21 states have call successors, (35), 12 states have call predecessors, (35), 7 states have return successors, (25), 12 states have call predecessors, (25), 11 states have call successors, (25) Word has length 259 [2024-09-12 19:53:24,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:24,252 INFO L225 Difference]: With dead ends: 10627 [2024-09-12 19:53:24,253 INFO L226 Difference]: Without dead ends: 4999 [2024-09-12 19:53:24,305 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 539 SyntacticMatches, 24 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=323, Invalid=2127, Unknown=0, NotChecked=0, Total=2450 [2024-09-12 19:53:24,305 INFO L434 NwaCegarLoop]: 112 mSDtfsCounter, 378 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 1264 SdHoareTripleChecker+Invalid, 1276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:24,307 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 1264 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 19:53:24,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4999 states. [2024-09-12 19:53:25,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4999 to 4509. [2024-09-12 19:53:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4509 states, 3579 states have (on average 1.086616373288628) internal successors, (3889), 3505 states have internal predecessors, (3889), 467 states have call successors, (467), 116 states have call predecessors, (467), 458 states have return successors, (2784), 887 states have call predecessors, (2784), 466 states have call successors, (2784) [2024-09-12 19:53:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 4509 states and 7140 transitions. [2024-09-12 19:53:25,213 INFO L78 Accepts]: Start accepts. Automaton has 4509 states and 7140 transitions. Word has length 259 [2024-09-12 19:53:25,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:25,214 INFO L474 AbstractCegarLoop]: Abstraction has 4509 states and 7140 transitions. [2024-09-12 19:53:25,214 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 4.888888888888889) internal successors, (176), 27 states have internal predecessors, (176), 21 states have call successors, (35), 12 states have call predecessors, (35), 7 states have return successors, (25), 12 states have call predecessors, (25), 11 states have call successors, (25) [2024-09-12 19:53:25,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 4509 states and 7140 transitions. [2024-09-12 19:53:25,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-09-12 19:53:25,216 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:25,216 INFO L216 NwaCegarLoop]: trace histogram [17, 15, 14, 14, 12, 11, 11, 11, 11, 10, 9, 9, 9, 9, 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 19:53:25,228 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 19:53:25,416 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-09-12 19:53:25,416 INFO L399 AbstractCegarLoop]: === Iteration 33 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:25,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:25,417 INFO L85 PathProgramCache]: Analyzing trace with hash -496810810, now seen corresponding path program 3 times [2024-09-12 19:53:25,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:25,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043757496] [2024-09-12 19:53:25,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:25,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,677 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-09-12 19:53:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,689 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,694 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,696 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,698 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,699 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,699 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,700 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,702 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,702 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,703 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,706 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,708 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,708 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,709 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,710 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-09-12 19:53:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,735 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,784 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,848 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,850 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,852 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,855 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 246 proven. 597 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2024-09-12 19:53:25,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:25,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043757496] [2024-09-12 19:53:25,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043757496] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:25,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936082420] [2024-09-12 19:53:25,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-12 19:53:25,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:25,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:25,877 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 19:53:25,878 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 19:53:25,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-12 19:53:25,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:53:25,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-12 19:53:25,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:26,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 248 proven. 7 refuted. 0 times theorem prover too weak. 1079 trivial. 0 not checked. [2024-09-12 19:53:26,025 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 248 proven. 7 refuted. 0 times theorem prover too weak. 1079 trivial. 0 not checked. [2024-09-12 19:53:26,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936082420] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:26,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:26,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 9, 9] total 39 [2024-09-12 19:53:26,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228594854] [2024-09-12 19:53:26,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:26,326 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-09-12 19:53:26,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:26,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-09-12 19:53:26,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1302, Unknown=0, NotChecked=0, Total=1482 [2024-09-12 19:53:26,327 INFO L87 Difference]: Start difference. First operand 4509 states and 7140 transitions. Second operand has 39 states, 38 states have (on average 3.8947368421052633) internal successors, (148), 29 states have internal predecessors, (148), 18 states have call successors, (28), 11 states have call predecessors, (28), 6 states have return successors, (18), 10 states have call predecessors, (18), 8 states have call successors, (18) [2024-09-12 19:53:27,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:27,939 INFO L93 Difference]: Finished difference Result 8587 states and 15464 transitions. [2024-09-12 19:53:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-12 19:53:27,940 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 3.8947368421052633) internal successors, (148), 29 states have internal predecessors, (148), 18 states have call successors, (28), 11 states have call predecessors, (28), 6 states have return successors, (18), 10 states have call predecessors, (18), 8 states have call successors, (18) Word has length 279 [2024-09-12 19:53:27,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:27,974 INFO L225 Difference]: With dead ends: 8587 [2024-09-12 19:53:27,974 INFO L226 Difference]: Without dead ends: 4172 [2024-09-12 19:53:28,011 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 656 GetRequests, 604 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=370, Invalid=2080, Unknown=0, NotChecked=0, Total=2450 [2024-09-12 19:53:28,012 INFO L434 NwaCegarLoop]: 117 mSDtfsCounter, 386 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1763 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:28,012 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 1763 Invalid, 1393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-12 19:53:28,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4172 states. [2024-09-12 19:53:28,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4172 to 3870. [2024-09-12 19:53:28,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3870 states, 3069 states have (on average 1.101010101010101) internal successors, (3379), 3012 states have internal predecessors, (3379), 414 states have call successors, (414), 115 states have call predecessors, (414), 382 states have return successors, (2000), 742 states have call predecessors, (2000), 413 states have call successors, (2000) [2024-09-12 19:53:28,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3870 states to 3870 states and 5793 transitions. [2024-09-12 19:53:28,794 INFO L78 Accepts]: Start accepts. Automaton has 3870 states and 5793 transitions. Word has length 279 [2024-09-12 19:53:28,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:28,794 INFO L474 AbstractCegarLoop]: Abstraction has 3870 states and 5793 transitions. [2024-09-12 19:53:28,794 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 3.8947368421052633) internal successors, (148), 29 states have internal predecessors, (148), 18 states have call successors, (28), 11 states have call predecessors, (28), 6 states have return successors, (18), 10 states have call predecessors, (18), 8 states have call successors, (18) [2024-09-12 19:53:28,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:28,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3870 states and 5793 transitions. [2024-09-12 19:53:28,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-09-12 19:53:28,796 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:28,796 INFO L216 NwaCegarLoop]: trace histogram [17, 17, 14, 14, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:53:28,808 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-09-12 19:53:28,996 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-09-12 19:53:28,997 INFO L399 AbstractCegarLoop]: === Iteration 34 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:28,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:28,997 INFO L85 PathProgramCache]: Analyzing trace with hash 678283265, now seen corresponding path program 4 times [2024-09-12 19:53:28,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:28,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150252003] [2024-09-12 19:53:28,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:28,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-09-12 19:53:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,058 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,065 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,068 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,069 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,069 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,076 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,078 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,079 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,079 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,080 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-09-12 19:53:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,096 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,099 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,121 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-12 19:53:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 176 proven. 3 refuted. 0 times theorem prover too weak. 1321 trivial. 0 not checked. [2024-09-12 19:53:29,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:29,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150252003] [2024-09-12 19:53:29,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150252003] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:29,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457048460] [2024-09-12 19:53:29,123 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-12 19:53:29,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:29,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:29,124 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 19:53:29,125 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 19:53:29,206 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-12 19:53:29,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:53:29,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-12 19:53:29,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:29,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 351 proven. 318 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2024-09-12 19:53:29,345 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 351 proven. 331 refuted. 0 times theorem prover too weak. 818 trivial. 0 not checked. [2024-09-12 19:53:30,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457048460] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:30,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:30,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 15, 19] total 26 [2024-09-12 19:53:30,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296766051] [2024-09-12 19:53:30,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:30,094 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-09-12 19:53:30,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:30,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-09-12 19:53:30,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=563, Unknown=0, NotChecked=0, Total=650 [2024-09-12 19:53:30,095 INFO L87 Difference]: Start difference. First operand 3870 states and 5793 transitions. Second operand has 26 states, 26 states have (on average 5.961538461538462) internal successors, (155), 26 states have internal predecessors, (155), 19 states have call successors, (27), 1 states have call predecessors, (27), 10 states have return successors, (30), 11 states have call predecessors, (30), 19 states have call successors, (30) [2024-09-12 19:53:30,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:30,797 INFO L93 Difference]: Finished difference Result 5955 states and 9221 transitions. [2024-09-12 19:53:30,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-12 19:53:30,797 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.961538461538462) internal successors, (155), 26 states have internal predecessors, (155), 19 states have call successors, (27), 1 states have call predecessors, (27), 10 states have return successors, (30), 11 states have call predecessors, (30), 19 states have call successors, (30) Word has length 297 [2024-09-12 19:53:30,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:30,823 INFO L225 Difference]: With dead ends: 5955 [2024-09-12 19:53:30,823 INFO L226 Difference]: Without dead ends: 2214 [2024-09-12 19:53:30,846 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 621 SyntacticMatches, 9 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=242, Invalid=1240, Unknown=0, NotChecked=0, Total=1482 [2024-09-12 19:53:30,846 INFO L434 NwaCegarLoop]: 50 mSDtfsCounter, 104 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:30,846 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 568 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 19:53:30,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2024-09-12 19:53:31,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 1864. [2024-09-12 19:53:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1864 states, 1478 states have (on average 1.0460081190798376) internal successors, (1546), 1479 states have internal predecessors, (1546), 226 states have call successors, (226), 110 states have call predecessors, (226), 157 states have return successors, (413), 274 states have call predecessors, (413), 225 states have call successors, (413) [2024-09-12 19:53:31,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1864 states and 2185 transitions. [2024-09-12 19:53:31,215 INFO L78 Accepts]: Start accepts. Automaton has 1864 states and 2185 transitions. Word has length 297 [2024-09-12 19:53:31,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:31,216 INFO L474 AbstractCegarLoop]: Abstraction has 1864 states and 2185 transitions. [2024-09-12 19:53:31,216 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.961538461538462) internal successors, (155), 26 states have internal predecessors, (155), 19 states have call successors, (27), 1 states have call predecessors, (27), 10 states have return successors, (30), 11 states have call predecessors, (30), 19 states have call successors, (30) [2024-09-12 19:53:31,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:31,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2185 transitions. [2024-09-12 19:53:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-09-12 19:53:31,217 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:31,218 INFO L216 NwaCegarLoop]: trace histogram [17, 17, 15, 14, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:53:31,230 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-09-12 19:53:31,418 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,22 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:31,418 INFO L399 AbstractCegarLoop]: === Iteration 35 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:31,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:31,419 INFO L85 PathProgramCache]: Analyzing trace with hash -398071198, now seen corresponding path program 5 times [2024-09-12 19:53:31,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:31,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154831068] [2024-09-12 19:53:31,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:31,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:31,759 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:31,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-09-12 19:53:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:31,843 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:31,889 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:31,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:31,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:31,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:31,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:31,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:31,979 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:31,981 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:31,995 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,030 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,049 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-09-12 19:53:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,125 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,133 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,138 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,141 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,149 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,151 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 148 proven. 181 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2024-09-12 19:53:32,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:32,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154831068] [2024-09-12 19:53:32,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154831068] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:32,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72182539] [2024-09-12 19:53:32,160 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-12 19:53:32,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:32,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:32,161 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 19:53:32,163 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 19:53:32,263 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-09-12 19:53:32,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:53:32,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-09-12 19:53:32,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 148 proven. 181 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2024-09-12 19:53:32,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 218 proven. 160 refuted. 0 times theorem prover too weak. 1136 trivial. 0 not checked. [2024-09-12 19:53:34,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72182539] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:34,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:34,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 29] total 47 [2024-09-12 19:53:34,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865855436] [2024-09-12 19:53:34,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:34,364 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-09-12 19:53:34,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:34,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-09-12 19:53:34,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=1969, Unknown=0, NotChecked=0, Total=2256 [2024-09-12 19:53:34,365 INFO L87 Difference]: Start difference. First operand 1864 states and 2185 transitions. Second operand has 48 states, 47 states have (on average 2.702127659574468) internal successors, (127), 48 states have internal predecessors, (127), 12 states have call successors, (16), 1 states have call predecessors, (16), 15 states have return successors, (33), 33 states have call predecessors, (33), 12 states have call successors, (33) [2024-09-12 19:53:34,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:34,963 INFO L93 Difference]: Finished difference Result 2097 states and 2512 transitions. [2024-09-12 19:53:34,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-09-12 19:53:34,963 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.702127659574468) internal successors, (127), 48 states have internal predecessors, (127), 12 states have call successors, (16), 1 states have call predecessors, (16), 15 states have return successors, (33), 33 states have call predecessors, (33), 12 states have call successors, (33) Word has length 298 [2024-09-12 19:53:34,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:34,977 INFO L225 Difference]: With dead ends: 2097 [2024-09-12 19:53:34,978 INFO L226 Difference]: Without dead ends: 2095 [2024-09-12 19:53:34,978 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 615 SyntacticMatches, 33 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2480 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=438, Invalid=2984, Unknown=0, NotChecked=0, Total=3422 [2024-09-12 19:53:34,979 INFO L434 NwaCegarLoop]: 41 mSDtfsCounter, 22 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:34,979 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 617 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 19:53:34,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2024-09-12 19:53:35,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 1866. [2024-09-12 19:53:35,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1866 states, 1479 states have (on average 1.0412440838404327) internal successors, (1540), 1480 states have internal predecessors, (1540), 229 states have call successors, (229), 110 states have call predecessors, (229), 155 states have return successors, (412), 275 states have call predecessors, (412), 228 states have call successors, (412) [2024-09-12 19:53:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1866 states and 2181 transitions. [2024-09-12 19:53:35,291 INFO L78 Accepts]: Start accepts. Automaton has 1866 states and 2181 transitions. Word has length 298 [2024-09-12 19:53:35,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:35,292 INFO L474 AbstractCegarLoop]: Abstraction has 1866 states and 2181 transitions. [2024-09-12 19:53:35,292 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.702127659574468) internal successors, (127), 48 states have internal predecessors, (127), 12 states have call successors, (16), 1 states have call predecessors, (16), 15 states have return successors, (33), 33 states have call predecessors, (33), 12 states have call successors, (33) [2024-09-12 19:53:35,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:35,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2181 transitions. [2024-09-12 19:53:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-09-12 19:53:35,294 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:35,295 INFO L216 NwaCegarLoop]: trace histogram [24, 23, 20, 20, 19, 18, 14, 14, 14, 14, 13, 13, 13, 13, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 5, 3, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:53:35,307 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-09-12 19:53:35,495 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-09-12 19:53:35,495 INFO L399 AbstractCegarLoop]: === Iteration 36 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:35,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:35,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1747790810, now seen corresponding path program 3 times [2024-09-12 19:53:35,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:35,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408592059] [2024-09-12 19:53:35,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:35,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,809 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-09-12 19:53:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,833 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,842 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,848 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,851 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,853 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,854 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,854 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,855 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,857 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,860 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,861 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,865 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,867 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,869 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,871 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,872 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:53:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,877 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,879 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,881 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,882 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,885 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,886 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,887 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-09-12 19:53:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,976 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,981 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,983 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,984 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,984 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:35,985 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:36,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:36,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:36,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:36,084 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:36,101 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:36,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3179 backedges. 594 proven. 854 refuted. 0 times theorem prover too weak. 1731 trivial. 0 not checked. [2024-09-12 19:53:36,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:36,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408592059] [2024-09-12 19:53:36,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408592059] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:36,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882726713] [2024-09-12 19:53:36,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-12 19:53:36,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:36,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:36,107 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 19:53:36,108 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 19:53:36,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-09-12 19:53:36,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:53:36,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-12 19:53:36,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3179 backedges. 712 proven. 43 refuted. 0 times theorem prover too weak. 2424 trivial. 0 not checked. [2024-09-12 19:53:36,337 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:36,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3179 backedges. 712 proven. 45 refuted. 0 times theorem prover too weak. 2422 trivial. 0 not checked. [2024-09-12 19:53:36,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882726713] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:36,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:36,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 12, 13] total 41 [2024-09-12 19:53:36,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486672028] [2024-09-12 19:53:36,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:36,951 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-09-12 19:53:36,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:36,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-09-12 19:53:36,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1447, Unknown=0, NotChecked=0, Total=1640 [2024-09-12 19:53:36,953 INFO L87 Difference]: Start difference. First operand 1866 states and 2181 transitions. Second operand has 41 states, 40 states have (on average 4.4) internal successors, (176), 32 states have internal predecessors, (176), 23 states have call successors, (34), 10 states have call predecessors, (34), 7 states have return successors, (26), 12 states have call predecessors, (26), 14 states have call successors, (26) [2024-09-12 19:53:38,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:38,007 INFO L93 Difference]: Finished difference Result 3906 states and 4775 transitions. [2024-09-12 19:53:38,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-12 19:53:38,007 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 4.4) internal successors, (176), 32 states have internal predecessors, (176), 23 states have call successors, (34), 10 states have call predecessors, (34), 7 states have return successors, (26), 12 states have call predecessors, (26), 14 states have call successors, (26) Word has length 429 [2024-09-12 19:53:38,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:38,025 INFO L225 Difference]: With dead ends: 3906 [2024-09-12 19:53:38,025 INFO L226 Difference]: Without dead ends: 2153 [2024-09-12 19:53:38,031 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 992 GetRequests, 931 SyntacticMatches, 6 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 729 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=435, Invalid=2757, Unknown=0, NotChecked=0, Total=3192 [2024-09-12 19:53:38,032 INFO L434 NwaCegarLoop]: 103 mSDtfsCounter, 284 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:38,032 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 1600 Invalid, 1525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 19:53:38,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2024-09-12 19:53:38,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 1871. [2024-09-12 19:53:38,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1871 states, 1483 states have (on average 1.038435603506406) internal successors, (1540), 1484 states have internal predecessors, (1540), 227 states have call successors, (227), 107 states have call predecessors, (227), 158 states have return successors, (399), 279 states have call predecessors, (399), 226 states have call successors, (399) [2024-09-12 19:53:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2166 transitions. [2024-09-12 19:53:38,360 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2166 transitions. Word has length 429 [2024-09-12 19:53:38,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:38,361 INFO L474 AbstractCegarLoop]: Abstraction has 1871 states and 2166 transitions. [2024-09-12 19:53:38,361 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 4.4) internal successors, (176), 32 states have internal predecessors, (176), 23 states have call successors, (34), 10 states have call predecessors, (34), 7 states have return successors, (26), 12 states have call predecessors, (26), 14 states have call successors, (26) [2024-09-12 19:53:38,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:38,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2166 transitions. [2024-09-12 19:53:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2024-09-12 19:53:38,363 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:38,363 INFO L216 NwaCegarLoop]: trace histogram [25, 24, 21, 20, 20, 20, 14, 14, 14, 14, 14, 14, 14, 14, 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 19:53:38,375 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-09-12 19:53:38,563 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-09-12 19:53:38,564 INFO L399 AbstractCegarLoop]: === Iteration 37 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:38,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:38,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1186436639, now seen corresponding path program 4 times [2024-09-12 19:53:38,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:38,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102213298] [2024-09-12 19:53:38,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:38,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,383 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,384 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-09-12 19:53:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,566 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,648 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,737 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,773 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,806 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,818 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,830 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,833 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,851 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,854 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,865 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,894 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,901 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,904 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,906 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,908 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:53:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,975 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,983 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,985 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,988 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,990 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:39,998 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,001 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,004 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-09-12 19:53:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,131 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,144 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,151 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,154 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,157 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,159 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,168 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,170 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,173 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,193 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,196 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,198 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3488 backedges. 432 proven. 525 refuted. 0 times theorem prover too weak. 2531 trivial. 0 not checked. [2024-09-12 19:53:40,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:40,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102213298] [2024-09-12 19:53:40,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102213298] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:40,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203113918] [2024-09-12 19:53:40,202 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-12 19:53:40,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:40,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:40,203 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 19:53:40,205 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 19:53:40,340 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-12 19:53:40,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:53:40,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-09-12 19:53:40,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:40,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3488 backedges. 432 proven. 525 refuted. 0 times theorem prover too weak. 2531 trivial. 0 not checked. [2024-09-12 19:53:40,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3488 backedges. 585 proven. 468 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2024-09-12 19:53:45,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203113918] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:45,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:45,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 37] total 58 [2024-09-12 19:53:45,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379332977] [2024-09-12 19:53:45,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:45,689 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-09-12 19:53:45,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:45,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-09-12 19:53:45,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=3007, Unknown=0, NotChecked=0, Total=3422 [2024-09-12 19:53:45,690 INFO L87 Difference]: Start difference. First operand 1871 states and 2166 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 19:53:46,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:46,404 INFO L93 Difference]: Finished difference Result 2183 states and 2585 transitions. [2024-09-12 19:53:46,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-12 19:53:46,405 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 449 [2024-09-12 19:53:46,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:46,421 INFO L225 Difference]: With dead ends: 2183 [2024-09-12 19:53:46,421 INFO L226 Difference]: Without dead ends: 2181 [2024-09-12 19:53:46,423 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1074 GetRequests, 941 SyntacticMatches, 62 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5085 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=657, Invalid=4599, Unknown=0, NotChecked=0, Total=5256 [2024-09-12 19:53:46,423 INFO L434 NwaCegarLoop]: 41 mSDtfsCounter, 28 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:46,423 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 788 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 19:53:46,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2024-09-12 19:53:46,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 1919. [2024-09-12 19:53:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1919 states, 1520 states have (on average 1.0322368421052632) internal successors, (1569), 1522 states have internal predecessors, (1569), 231 states have call successors, (231), 107 states have call predecessors, (231), 165 states have return successors, (424), 289 states have call predecessors, (424), 230 states have call successors, (424) [2024-09-12 19:53:46,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1919 states and 2224 transitions. [2024-09-12 19:53:46,773 INFO L78 Accepts]: Start accepts. Automaton has 1919 states and 2224 transitions. Word has length 449 [2024-09-12 19:53:46,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:46,773 INFO L474 AbstractCegarLoop]: Abstraction has 1919 states and 2224 transitions. [2024-09-12 19:53:46,774 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 19:53:46,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:46,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2224 transitions. [2024-09-12 19:53:46,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2024-09-12 19:53:46,777 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:46,777 INFO L216 NwaCegarLoop]: trace histogram [36, 34, 32, 30, 30, 28, 19, 19, 19, 19, 19, 19, 19, 19, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 11, 9, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:53:46,794 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 19:53:46,977 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-09-12 19:53:46,978 INFO L399 AbstractCegarLoop]: === Iteration 38 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:46,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:46,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1586600440, now seen corresponding path program 6 times [2024-09-12 19:53:46,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:46,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423601196] [2024-09-12 19:53:46,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:46,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,362 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,437 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,446 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,453 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,455 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,455 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,456 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,457 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,459 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,459 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,460 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,463 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,464 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,465 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,466 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,466 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:53:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,474 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,477 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,479 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,480 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,481 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,481 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,483 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,486 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,487 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:53:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,495 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,501 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,504 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,506 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,506 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,507 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,509 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,511 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,513 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,514 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,519 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,520 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,520 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2024-09-12 19:53:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,787 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,791 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,793 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,794 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,794 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,795 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,836 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,838 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,840 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,845 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,846 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,847 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,848 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,849 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:53:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,882 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,910 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:47,935 INFO L134 CoverageAnalysis]: Checked inductivity of 7658 backedges. 1390 proven. 1276 refuted. 0 times theorem prover too weak. 4992 trivial. 0 not checked. [2024-09-12 19:53:47,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:47,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423601196] [2024-09-12 19:53:47,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423601196] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:47,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322360316] [2024-09-12 19:53:47,935 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-12 19:53:47,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:47,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:47,937 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 19:53:47,938 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 19:53:48,129 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-09-12 19:53:48,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:53:48,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-12 19:53:48,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 7658 backedges. 916 proven. 1177 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-09-12 19:53:48,357 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:53:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 7658 backedges. 924 proven. 1193 refuted. 0 times theorem prover too weak. 5541 trivial. 0 not checked. [2024-09-12 19:53:49,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322360316] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:53:49,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:53:49,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 16, 21] total 54 [2024-09-12 19:53:49,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308658764] [2024-09-12 19:53:49,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:53:49,820 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-09-12 19:53:49,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:53:49,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-09-12 19:53:49,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=2542, Unknown=0, NotChecked=0, Total=2862 [2024-09-12 19:53:49,821 INFO L87 Difference]: Start difference. First operand 1919 states and 2224 transitions. Second operand has 54 states, 53 states have (on average 4.7924528301886795) internal successors, (254), 46 states have internal predecessors, (254), 32 states have call successors, (47), 9 states have call predecessors, (47), 16 states have return successors, (45), 26 states have call predecessors, (45), 24 states have call successors, (45) [2024-09-12 19:53:51,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:53:51,231 INFO L93 Difference]: Finished difference Result 4170 states and 5199 transitions. [2024-09-12 19:53:51,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-12 19:53:51,232 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 53 states have (on average 4.7924528301886795) internal successors, (254), 46 states have internal predecessors, (254), 32 states have call successors, (47), 9 states have call predecessors, (47), 16 states have return successors, (45), 26 states have call predecessors, (45), 24 states have call successors, (45) Word has length 659 [2024-09-12 19:53:51,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:53:51,251 INFO L225 Difference]: With dead ends: 4170 [2024-09-12 19:53:51,251 INFO L226 Difference]: Without dead ends: 2301 [2024-09-12 19:53:51,259 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1510 GetRequests, 1422 SyntacticMatches, 10 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1916 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=782, Invalid=5538, Unknown=0, NotChecked=0, Total=6320 [2024-09-12 19:53:51,260 INFO L434 NwaCegarLoop]: 114 mSDtfsCounter, 393 mSDsluCounter, 1994 mSDsCounter, 0 mSdLazyCounter, 2301 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 2108 SdHoareTripleChecker+Invalid, 2439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 2301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-09-12 19:53:51,260 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 2108 Invalid, 2439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 2301 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-09-12 19:53:51,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2024-09-12 19:53:51,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 2179. [2024-09-12 19:53:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2179 states, 1739 states have (on average 1.0310523289246694) internal successors, (1793), 1728 states have internal predecessors, (1793), 272 states have call successors, (272), 152 states have call predecessors, (272), 165 states have return successors, (451), 298 states have call predecessors, (451), 271 states have call successors, (451) [2024-09-12 19:53:51,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 2179 states and 2516 transitions. [2024-09-12 19:53:51,696 INFO L78 Accepts]: Start accepts. Automaton has 2179 states and 2516 transitions. Word has length 659 [2024-09-12 19:53:51,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:53:51,696 INFO L474 AbstractCegarLoop]: Abstraction has 2179 states and 2516 transitions. [2024-09-12 19:53:51,696 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 53 states have (on average 4.7924528301886795) internal successors, (254), 46 states have internal predecessors, (254), 32 states have call successors, (47), 9 states have call predecessors, (47), 16 states have return successors, (45), 26 states have call predecessors, (45), 24 states have call successors, (45) [2024-09-12 19:53:51,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:51,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 2516 transitions. [2024-09-12 19:53:51,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2024-09-12 19:53:51,699 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:53:51,700 INFO L216 NwaCegarLoop]: trace histogram [38, 36, 34, 32, 31, 30, 20, 20, 20, 20, 20, 20, 20, 20, 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 19:53:51,714 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-09-12 19:53:51,900 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-09-12 19:53:51,900 INFO L399 AbstractCegarLoop]: === Iteration 39 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:53:51,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:53:51,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1707058431, now seen corresponding path program 7 times [2024-09-12 19:53:51,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:53:51,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716475080] [2024-09-12 19:53:51,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:53:51,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:53:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:53,898 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:53:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:53,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,334 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,514 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,599 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,646 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,717 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,727 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,729 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,747 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,789 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,796 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,798 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,800 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:53:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,856 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,869 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,876 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,879 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,881 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,884 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,892 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,894 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,896 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:53:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:54,997 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,025 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,039 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,090 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,141 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,144 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2024-09-12 19:53:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,344 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,447 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,462 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,471 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,474 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,479 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,482 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,492 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,495 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,497 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:53:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,512 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,520 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,523 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,526 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,528 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:53:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,560 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,574 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,582 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,586 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:53:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,592 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:53:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,602 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:53:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,604 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:53:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8612 backedges. 1237 proven. 1440 refuted. 0 times theorem prover too weak. 5935 trivial. 0 not checked. [2024-09-12 19:53:55,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:53:55,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716475080] [2024-09-12 19:53:55,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716475080] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:53:55,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629492251] [2024-09-12 19:53:55,611 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-12 19:53:55,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:53:55,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:53:55,612 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 19:53:55,614 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 19:53:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:53:55,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-09-12 19:53:55,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:53:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 8612 backedges. 1237 proven. 1440 refuted. 0 times theorem prover too weak. 5935 trivial. 0 not checked. [2024-09-12 19:53:56,329 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:54:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 8612 backedges. 1543 proven. 1316 refuted. 0 times theorem prover too weak. 5753 trivial. 0 not checked. [2024-09-12 19:54:08,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629492251] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:54:08,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:54:08,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 46] total 69 [2024-09-12 19:54:08,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569660793] [2024-09-12 19:54:08,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:54:08,807 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-09-12 19:54:08,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:54:08,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-09-12 19:54:08,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=569, Invalid=4261, Unknown=0, NotChecked=0, Total=4830 [2024-09-12 19:54:08,808 INFO L87 Difference]: Start difference. First operand 2179 states and 2516 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 19:54:09,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:54:09,547 INFO L93 Difference]: Finished difference Result 2433 states and 2866 transitions. [2024-09-12 19:54:09,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-09-12 19:54:09,548 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 698 [2024-09-12 19:54:09,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:54:09,569 INFO L225 Difference]: With dead ends: 2433 [2024-09-12 19:54:09,569 INFO L226 Difference]: Without dead ends: 2431 [2024-09-12 19:54:09,571 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1675 GetRequests, 1483 SyntacticMatches, 111 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9422 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=827, Invalid=5979, Unknown=0, NotChecked=0, Total=6806 [2024-09-12 19:54:09,571 INFO L434 NwaCegarLoop]: 41 mSDtfsCounter, 28 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 19:54:09,571 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 984 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 19:54:09,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2024-09-12 19:54:09,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 2192. [2024-09-12 19:54:09,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2192 states, 1749 states have (on average 1.0263007432818754) internal successors, (1795), 1738 states have internal predecessors, (1795), 274 states have call successors, (274), 152 states have call predecessors, (274), 166 states have return successors, (452), 301 states have call predecessors, (452), 273 states have call successors, (452) [2024-09-12 19:54:09,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 2192 states and 2521 transitions. [2024-09-12 19:54:09,962 INFO L78 Accepts]: Start accepts. Automaton has 2192 states and 2521 transitions. Word has length 698 [2024-09-12 19:54:09,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:54:09,963 INFO L474 AbstractCegarLoop]: Abstraction has 2192 states and 2521 transitions. [2024-09-12 19:54:09,963 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 19:54:09,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:09,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2521 transitions. [2024-09-12 19:54:09,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1046 [2024-09-12 19:54:09,969 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:54:09,969 INFO L216 NwaCegarLoop]: trace histogram [56, 53, 52, 50, 45, 44, 29, 29, 29, 29, 28, 28, 28, 28, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 25, 25, 25, 24, 17, 15, 11, 9, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:54:09,984 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-09-12 19:54:10,169 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,27 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:54:10,170 INFO L399 AbstractCegarLoop]: === Iteration 40 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:54:10,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:10,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1768769928, now seen corresponding path program 5 times [2024-09-12 19:54:10,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:54:10,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513300284] [2024-09-12 19:54:10,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:54:10,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:54:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,779 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:54:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,780 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-09-12 19:54:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,858 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,888 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,921 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,932 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,941 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,955 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:54:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,967 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,970 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,971 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,972 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,975 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,975 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,976 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,979 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,980 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,981 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,981 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,982 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-09-12 19:54:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:10,997 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,019 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,019 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,020 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,020 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,022 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,023 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,023 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,026 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,029 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,029 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,030 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,035 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,042 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,043 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,045 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,045 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2024-09-12 19:54:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,168 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,249 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,319 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,351 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,358 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,359 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,361 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,410 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,412 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,425 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,435 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,438 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,441 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,443 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,446 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:54:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,492 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,533 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,571 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,590 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,592 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,596 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,597 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 19601 backedges. 2994 proven. 2007 refuted. 0 times theorem prover too weak. 14600 trivial. 0 not checked. [2024-09-12 19:54:11,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:54:11,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513300284] [2024-09-12 19:54:11,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513300284] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:54:11,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078742182] [2024-09-12 19:54:11,599 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-12 19:54:11,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:54:11,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:54:11,601 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 19:54:11,602 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-09-12 19:54:12,051 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2024-09-12 19:54:12,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:54:12,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 1820 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-12 19:54:12,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:54:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 19601 backedges. 2204 proven. 2454 refuted. 0 times theorem prover too weak. 14943 trivial. 0 not checked. [2024-09-12 19:54:12,326 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:54:14,679 INFO L134 CoverageAnalysis]: Checked inductivity of 19601 backedges. 2216 proven. 2489 refuted. 0 times theorem prover too weak. 14896 trivial. 0 not checked. [2024-09-12 19:54:14,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078742182] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:54:14,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:54:14,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 19, 27] total 59 [2024-09-12 19:54:14,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872407665] [2024-09-12 19:54:14,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:54:14,681 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-09-12 19:54:14,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:54:14,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-09-12 19:54:14,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=390, Invalid=3032, Unknown=0, NotChecked=0, Total=3422 [2024-09-12 19:54:14,682 INFO L87 Difference]: Start difference. First operand 2192 states and 2521 transitions. Second operand has 59 states, 58 states have (on average 4.948275862068965) internal successors, (287), 52 states have internal predecessors, (287), 40 states have call successors, (53), 8 states have call predecessors, (53), 18 states have return successors, (57), 29 states have call predecessors, (57), 33 states have call successors, (57) [2024-09-12 19:54:16,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:54:16,349 INFO L93 Difference]: Finished difference Result 4651 states and 5530 transitions. [2024-09-12 19:54:16,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-09-12 19:54:16,350 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 4.948275862068965) internal successors, (287), 52 states have internal predecessors, (287), 40 states have call successors, (53), 8 states have call predecessors, (53), 18 states have return successors, (57), 29 states have call predecessors, (57), 33 states have call successors, (57) Word has length 1045 [2024-09-12 19:54:16,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:54:16,376 INFO L225 Difference]: With dead ends: 4651 [2024-09-12 19:54:16,377 INFO L226 Difference]: Without dead ends: 2644 [2024-09-12 19:54:16,384 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2366 GetRequests, 2268 SyntacticMatches, 13 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2544 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=949, Invalid=6533, Unknown=0, NotChecked=0, Total=7482 [2024-09-12 19:54:16,384 INFO L434 NwaCegarLoop]: 121 mSDtfsCounter, 509 mSDsluCounter, 1976 mSDsCounter, 0 mSdLazyCounter, 2508 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 2097 SdHoareTripleChecker+Invalid, 2722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 2508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-09-12 19:54:16,385 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 2097 Invalid, 2722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 2508 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-09-12 19:54:16,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2644 states. [2024-09-12 19:54:16,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2644 to 2255. [2024-09-12 19:54:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 1800 states have (on average 1.0255555555555556) internal successors, (1846), 1791 states have internal predecessors, (1846), 283 states have call successors, (283), 161 states have call predecessors, (283), 169 states have return successors, (459), 302 states have call predecessors, (459), 282 states have call successors, (459) [2024-09-12 19:54:16,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 2588 transitions. [2024-09-12 19:54:16,790 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 2588 transitions. Word has length 1045 [2024-09-12 19:54:16,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:54:16,791 INFO L474 AbstractCegarLoop]: Abstraction has 2255 states and 2588 transitions. [2024-09-12 19:54:16,791 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 4.948275862068965) internal successors, (287), 52 states have internal predecessors, (287), 40 states have call successors, (53), 8 states have call predecessors, (53), 18 states have return successors, (57), 29 states have call predecessors, (57), 33 states have call successors, (57) [2024-09-12 19:54:16,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2588 transitions. [2024-09-12 19:54:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1085 [2024-09-12 19:54:16,798 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:54:16,799 INFO L216 NwaCegarLoop]: trace histogram [58, 55, 54, 52, 46, 46, 30, 30, 30, 30, 29, 29, 29, 29, 27, 27, 27, 27, 27, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 26, 26, 25, 17, 16, 12, 9, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:54:16,815 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-09-12 19:54:16,999 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-09-12 19:54:16,999 INFO L399 AbstractCegarLoop]: === Iteration 41 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:54:16,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:17,000 INFO L85 PathProgramCache]: Analyzing trace with hash -938509359, now seen corresponding path program 6 times [2024-09-12 19:54:17,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:54:17,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712778018] [2024-09-12 19:54:17,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:54:17,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:54:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,578 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:54:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,579 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-09-12 19:54:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,656 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,685 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,699 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,706 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,710 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,713 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,714 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,716 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,717 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,718 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,718 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,721 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,722 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,723 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,723 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,724 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,731 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,732 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,733 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,734 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,735 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,736 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,737 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:54:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,750 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,753 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,754 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,755 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,818 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,825 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,830 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,831 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-09-12 19:54:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,844 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,852 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,856 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,858 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,860 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,860 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,861 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,861 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,863 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,863 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,864 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,866 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,868 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,868 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,869 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,870 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,874 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,876 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,877 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,878 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,878 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,879 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,880 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,881 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:17,882 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2024-09-12 19:54:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,023 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,171 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,197 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,202 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,205 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,205 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,248 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,253 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,255 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,256 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,256 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,257 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,266 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,269 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,272 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,273 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,273 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,275 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,276 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:54:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,317 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,351 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,358 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,359 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,408 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,437 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,451 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:18,454 INFO L134 CoverageAnalysis]: Checked inductivity of 21115 backedges. 3360 proven. 2115 refuted. 0 times theorem prover too weak. 15640 trivial. 0 not checked. [2024-09-12 19:54:18,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:54:18,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712778018] [2024-09-12 19:54:18,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712778018] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:54:18,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520242133] [2024-09-12 19:54:18,454 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-12 19:54:18,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:54:18,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:54:18,455 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 19:54:18,457 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-09-12 19:54:18,783 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-09-12 19:54:18,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:54:18,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-12 19:54:18,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:54:18,924 INFO L134 CoverageAnalysis]: Checked inductivity of 21115 backedges. 2249 proven. 44 refuted. 0 times theorem prover too weak. 18822 trivial. 0 not checked. [2024-09-12 19:54:18,924 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:54:20,257 INFO L134 CoverageAnalysis]: Checked inductivity of 21115 backedges. 2249 proven. 45 refuted. 0 times theorem prover too weak. 18821 trivial. 0 not checked. [2024-09-12 19:54:20,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520242133] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:54:20,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:54:20,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 12, 13] total 46 [2024-09-12 19:54:20,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903043827] [2024-09-12 19:54:20,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:54:20,258 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-09-12 19:54:20,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:54:20,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-09-12 19:54:20,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=1821, Unknown=0, NotChecked=0, Total=2070 [2024-09-12 19:54:20,259 INFO L87 Difference]: Start difference. First operand 2255 states and 2588 transitions. Second operand has 46 states, 45 states have (on average 4.5777777777777775) internal successors, (206), 39 states have internal predecessors, (206), 26 states have call successors, (39), 8 states have call predecessors, (39), 11 states have return successors, (37), 21 states have call predecessors, (37), 19 states have call successors, (37) [2024-09-12 19:54:21,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:54:21,365 INFO L93 Difference]: Finished difference Result 4587 states and 5406 transitions. [2024-09-12 19:54:21,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-09-12 19:54:21,366 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 4.5777777777777775) internal successors, (206), 39 states have internal predecessors, (206), 26 states have call successors, (39), 8 states have call predecessors, (39), 11 states have return successors, (37), 21 states have call predecessors, (37), 19 states have call successors, (37) Word has length 1084 [2024-09-12 19:54:21,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:54:21,391 INFO L225 Difference]: With dead ends: 4587 [2024-09-12 19:54:21,391 INFO L226 Difference]: Without dead ends: 2523 [2024-09-12 19:54:21,398 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2439 GetRequests, 2375 SyntacticMatches, 6 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1041 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=494, Invalid=3046, Unknown=0, NotChecked=0, Total=3540 [2024-09-12 19:54:21,398 INFO L434 NwaCegarLoop]: 100 mSDtfsCounter, 329 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 1363 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-12 19:54:21,398 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 1541 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1363 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-12 19:54:21,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2024-09-12 19:54:21,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2328. [2024-09-12 19:54:21,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2328 states, 1858 states have (on average 1.0215285252960171) internal successors, (1898), 1850 states have internal predecessors, (1898), 294 states have call successors, (294), 164 states have call predecessors, (294), 173 states have return successors, (476), 313 states have call predecessors, (476), 293 states have call successors, (476) [2024-09-12 19:54:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 2328 states and 2668 transitions. [2024-09-12 19:54:21,868 INFO L78 Accepts]: Start accepts. Automaton has 2328 states and 2668 transitions. Word has length 1084 [2024-09-12 19:54:21,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:54:21,868 INFO L474 AbstractCegarLoop]: Abstraction has 2328 states and 2668 transitions. [2024-09-12 19:54:21,869 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 4.5777777777777775) internal successors, (206), 39 states have internal predecessors, (206), 26 states have call successors, (39), 8 states have call predecessors, (39), 11 states have return successors, (37), 21 states have call predecessors, (37), 19 states have call successors, (37) [2024-09-12 19:54:21,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:21,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 2668 transitions. [2024-09-12 19:54:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1105 [2024-09-12 19:54:21,875 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:54:21,875 INFO L216 NwaCegarLoop]: trace histogram [58, 57, 54, 54, 47, 47, 30, 30, 30, 30, 30, 30, 30, 30, 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 19:54:21,890 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-09-12 19:54:22,075 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:54:22,076 INFO L399 AbstractCegarLoop]: === Iteration 42 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:54:22,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:54:22,076 INFO L85 PathProgramCache]: Analyzing trace with hash 242833410, now seen corresponding path program 7 times [2024-09-12 19:54:22,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:54:22,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522094480] [2024-09-12 19:54:22,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:54:22,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:54:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:27,147 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:54:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:27,148 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-09-12 19:54:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:28,291 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:28,717 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:28,893 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:28,975 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,022 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,057 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,133 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,146 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,179 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,188 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,190 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,192 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,286 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,299 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,305 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,307 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,309 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,318 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,320 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,322 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:54:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,425 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,454 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,468 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,476 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,479 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,481 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,483 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,491 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,494 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,496 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,510 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,518 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,523 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,526 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-09-12 19:54:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,717 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,808 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,820 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,828 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,830 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,832 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,834 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,842 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,844 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,847 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,860 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,868 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,870 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,873 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,875 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,905 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,927 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,932 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:29,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2024-09-12 19:54:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,579 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,646 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,688 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,701 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,703 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,706 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,708 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,716 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,718 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,721 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,735 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,743 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,747 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,749 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:54:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,779 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,792 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,800 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,804 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,814 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,816 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,818 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:54:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,885 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,914 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,927 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,941 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:54:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,949 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,988 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:30,991 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:54:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,003 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,009 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:54:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:54:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,013 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:54:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 21908 backedges. 3416 proven. 3843 refuted. 0 times theorem prover too weak. 14649 trivial. 0 not checked. [2024-09-12 19:54:31,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:54:31,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522094480] [2024-09-12 19:54:31,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522094480] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:54:31,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934983023] [2024-09-12 19:54:31,017 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-12 19:54:31,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:54:31,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:54:31,018 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 19:54:31,019 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-09-12 19:54:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:54:31,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 2055 conjuncts, 217 conjuncts are in the unsatisfiable core [2024-09-12 19:54:31,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:54:32,179 INFO L134 CoverageAnalysis]: Checked inductivity of 21908 backedges. 3416 proven. 3843 refuted. 0 times theorem prover too weak. 14649 trivial. 0 not checked. [2024-09-12 19:54:32,180 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:55:05,103 INFO L134 CoverageAnalysis]: Checked inductivity of 21908 backedges. 3991 proven. 3598 refuted. 0 times theorem prover too weak. 14319 trivial. 0 not checked. [2024-09-12 19:55:05,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934983023] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:55:05,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:55:05,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 55] total 80 [2024-09-12 19:55:05,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856252015] [2024-09-12 19:55:05,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:55:05,105 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-09-12 19:55:05,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:55:05,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-09-12 19:55:05,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=744, Invalid=5736, Unknown=0, NotChecked=0, Total=6480 [2024-09-12 19:55:05,106 INFO L87 Difference]: Start difference. First operand 2328 states and 2668 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 19:55:05,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:55:05,893 INFO L93 Difference]: Finished difference Result 2590 states and 3024 transitions. [2024-09-12 19:55:05,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-09-12 19:55:05,894 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 1104 [2024-09-12 19:55:05,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:55:05,918 INFO L225 Difference]: With dead ends: 2590 [2024-09-12 19:55:05,918 INFO L226 Difference]: Without dead ends: 2588 [2024-09-12 19:55:05,920 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2657 GetRequests, 2371 SyntacticMatches, 192 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17282 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1096, Invalid=8024, Unknown=0, NotChecked=0, Total=9120 [2024-09-12 19:55:05,920 INFO L434 NwaCegarLoop]: 41 mSDtfsCounter, 40 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 19:55:05,920 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 721 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 19:55:05,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2024-09-12 19:55:06,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 2369. [2024-09-12 19:55:06,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2369 states, 1890 states have (on average 1.0164021164021164) internal successors, (1921), 1882 states have internal predecessors, (1921), 298 states have call successors, (298), 164 states have call predecessors, (298), 178 states have return successors, (514), 322 states have call predecessors, (514), 297 states have call successors, (514) [2024-09-12 19:55:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 2733 transitions. [2024-09-12 19:55:06,404 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 2733 transitions. Word has length 1104 [2024-09-12 19:55:06,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:55:06,405 INFO L474 AbstractCegarLoop]: Abstraction has 2369 states and 2733 transitions. [2024-09-12 19:55:06,405 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 19:55:06,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:55:06,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 2733 transitions. [2024-09-12 19:55:06,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1688 [2024-09-12 19:55:06,419 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:55:06,419 INFO L216 NwaCegarLoop]: trace histogram [87, 87, 84, 84, 71, 71, 45, 45, 45, 45, 44, 44, 44, 44, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 41, 27, 26, 16, 16, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:55:06,440 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-09-12 19:55:06,619 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:55:06,620 INFO L399 AbstractCegarLoop]: === Iteration 43 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:55:06,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:55:06,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1104593673, now seen corresponding path program 8 times [2024-09-12 19:55:06,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:55:06,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107312956] [2024-09-12 19:55:06,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:55:06,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:55:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:07,694 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:55:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:07,695 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-09-12 19:55:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:07,876 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:07,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:07,971 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:07,986 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:07,993 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:07,998 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,000 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,001 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,002 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,003 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,003 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,008 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,016 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,018 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,020 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,021 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,021 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,022 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,025 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:55:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,033 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,043 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,044 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,044 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,045 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,047 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,051 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,053 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,055 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,056 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-09-12 19:55:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,071 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,080 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,088 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,090 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,092 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,092 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,096 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,101 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2024-09-12 19:55:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,150 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,166 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,175 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,181 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,183 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,185 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,187 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,187 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,189 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,190 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,190 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,193 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,195 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,195 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,196 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,197 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,201 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,206 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:55:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,220 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,225 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,228 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,241 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,243 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,249 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,250 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,253 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2024-09-12 19:55:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,503 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,683 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,767 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,817 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,844 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,848 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,849 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,850 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,850 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,851 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,891 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,893 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,894 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,901 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,902 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,902 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,903 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,912 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,915 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,916 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,918 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,921 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,922 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:55:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,936 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,955 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,956 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,957 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:08,958 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-09-12 19:55:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,026 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,079 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,120 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,158 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,178 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,180 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,187 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,190 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,191 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,191 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,192 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-09-12 19:55:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,198 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,200 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,201 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,201 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:09,204 INFO L134 CoverageAnalysis]: Checked inductivity of 51740 backedges. 6078 proven. 3308 refuted. 0 times theorem prover too weak. 42354 trivial. 0 not checked. [2024-09-12 19:55:09,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:55:09,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107312956] [2024-09-12 19:55:09,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107312956] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:55:09,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248732319] [2024-09-12 19:55:09,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 19:55:09,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:55:09,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:55:09,206 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 19:55:09,207 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-09-12 19:55:09,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 19:55:09,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:55:10,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 3133 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-12 19:55:10,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:55:10,175 INFO L134 CoverageAnalysis]: Checked inductivity of 51740 backedges. 3779 proven. 2545 refuted. 0 times theorem prover too weak. 45416 trivial. 0 not checked. [2024-09-12 19:55:10,175 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:55:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 51740 backedges. 3787 proven. 2561 refuted. 0 times theorem prover too weak. 45392 trivial. 0 not checked. [2024-09-12 19:55:12,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248732319] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:55:12,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:55:12,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 23, 27] total 46 [2024-09-12 19:55:12,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004367871] [2024-09-12 19:55:12,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:55:12,510 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-09-12 19:55:12,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:55:12,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-09-12 19:55:12,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1825, Unknown=0, NotChecked=0, Total=2070 [2024-09-12 19:55:12,511 INFO L87 Difference]: Start difference. First operand 2369 states and 2733 transitions. Second operand has 46 states, 45 states have (on average 4.733333333333333) internal successors, (213), 40 states have internal predecessors, (213), 30 states have call successors, (40), 7 states have call predecessors, (40), 13 states have return successors, (44), 25 states have call predecessors, (44), 24 states have call successors, (44) [2024-09-12 19:55:13,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:55:13,949 INFO L93 Difference]: Finished difference Result 4999 states and 5950 transitions. [2024-09-12 19:55:13,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-09-12 19:55:13,950 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 4.733333333333333) internal successors, (213), 40 states have internal predecessors, (213), 30 states have call successors, (40), 7 states have call predecessors, (40), 13 states have return successors, (44), 25 states have call predecessors, (44), 24 states have call successors, (44) Word has length 1687 [2024-09-12 19:55:13,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:55:13,975 INFO L225 Difference]: With dead ends: 4999 [2024-09-12 19:55:13,975 INFO L226 Difference]: Without dead ends: 2741 [2024-09-12 19:55:13,981 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 3775 GetRequests, 3691 SyntacticMatches, 19 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1496 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=540, Invalid=3882, Unknown=0, NotChecked=0, Total=4422 [2024-09-12 19:55:13,982 INFO L434 NwaCegarLoop]: 118 mSDtfsCounter, 354 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 2371 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1885 SdHoareTripleChecker+Invalid, 2498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 2371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-09-12 19:55:13,982 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 1885 Invalid, 2498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 2371 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-09-12 19:55:13,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2024-09-12 19:55:14,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2402. [2024-09-12 19:55:14,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2402 states, 1919 states have (on average 1.0161542470036478) internal successors, (1950), 1911 states have internal predecessors, (1950), 311 states have call successors, (311), 177 states have call predecessors, (311), 169 states have return successors, (467), 313 states have call predecessors, (467), 310 states have call successors, (467) [2024-09-12 19:55:14,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2402 states and 2728 transitions. [2024-09-12 19:55:14,421 INFO L78 Accepts]: Start accepts. Automaton has 2402 states and 2728 transitions. Word has length 1687 [2024-09-12 19:55:14,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:55:14,422 INFO L474 AbstractCegarLoop]: Abstraction has 2402 states and 2728 transitions. [2024-09-12 19:55:14,422 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 4.733333333333333) internal successors, (213), 40 states have internal predecessors, (213), 30 states have call successors, (40), 7 states have call predecessors, (40), 13 states have return successors, (44), 25 states have call predecessors, (44), 24 states have call successors, (44) [2024-09-12 19:55:14,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:55:14,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 2728 transitions. [2024-09-12 19:55:14,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1746 [2024-09-12 19:55:14,435 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:55:14,436 INFO L216 NwaCegarLoop]: trace histogram [91, 89, 88, 86, 73, 73, 46, 46, 46, 46, 46, 46, 46, 46, 44, 44, 44, 44, 44, 44, 44, 44, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 27, 27, 18, 16, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 19:55:14,455 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-09-12 19:55:14,636 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-09-12 19:55:14,636 INFO L399 AbstractCegarLoop]: === Iteration 44 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:55:14,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:55:14,637 INFO L85 PathProgramCache]: Analyzing trace with hash 935886872, now seen corresponding path program 9 times [2024-09-12 19:55:14,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:55:14,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556095864] [2024-09-12 19:55:14,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:55:14,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:55:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:15,748 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:55:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:15,749 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-09-12 19:55:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:15,970 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,032 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,081 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,088 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,089 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,090 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,090 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,092 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,096 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,097 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,099 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,103 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:55:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,121 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,134 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,138 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,138 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,142 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,143 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,144 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,145 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,146 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-09-12 19:55:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,161 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,170 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,175 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,178 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,180 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,181 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,184 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,185 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,189 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,190 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,191 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,192 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,193 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,197 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,200 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,202 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,203 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,206 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2024-09-12 19:55:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,239 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,256 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,274 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,278 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,279 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,282 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,285 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,288 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,290 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,294 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,297 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,299 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,300 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,301 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,302 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,303 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,304 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,305 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:55:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,314 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,320 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,324 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,327 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,328 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,328 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,329 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,331 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,332 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,333 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,336 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,339 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,341 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,342 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2024-09-12 19:55:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,618 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,750 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,847 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,900 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,936 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,936 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,977 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,979 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,981 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,987 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,989 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,990 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,991 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:16,991 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,000 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,004 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,007 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,008 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,009 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:55:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,037 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,039 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,042 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,044 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,044 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,045 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,051 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-09-12 19:55:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,127 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,184 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,214 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,220 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,223 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,224 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,224 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,225 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,269 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,279 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,280 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,282 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,304 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,334 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,348 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,349 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,361 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 55397 backedges. 7795 proven. 3440 refuted. 0 times theorem prover too weak. 44162 trivial. 0 not checked. [2024-09-12 19:55:17,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:55:17,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556095864] [2024-09-12 19:55:17,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556095864] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:55:17,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494098768] [2024-09-12 19:55:17,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-12 19:55:17,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:55:17,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:55:17,366 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 19:55:17,367 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-09-12 19:55:17,950 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-09-12 19:55:17,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:55:17,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-12 19:55:17,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:55:18,074 INFO L134 CoverageAnalysis]: Checked inductivity of 55397 backedges. 3315 proven. 27 refuted. 0 times theorem prover too weak. 52055 trivial. 0 not checked. [2024-09-12 19:55:18,074 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 19:55:19,994 INFO L134 CoverageAnalysis]: Checked inductivity of 55397 backedges. 3315 proven. 27 refuted. 0 times theorem prover too weak. 52055 trivial. 0 not checked. [2024-09-12 19:55:19,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494098768] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 19:55:19,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 19:55:19,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 11, 11] total 48 [2024-09-12 19:55:19,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782589616] [2024-09-12 19:55:19,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 19:55:19,996 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-09-12 19:55:19,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 19:55:19,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-09-12 19:55:19,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1986, Unknown=0, NotChecked=0, Total=2256 [2024-09-12 19:55:19,997 INFO L87 Difference]: Start difference. First operand 2402 states and 2728 transitions. Second operand has 48 states, 47 states have (on average 4.319148936170213) internal successors, (203), 42 states have internal predecessors, (203), 26 states have call successors, (37), 7 states have call predecessors, (37), 13 states have return successors, (39), 24 states have call predecessors, (39), 20 states have call successors, (39) [2024-09-12 19:55:21,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 19:55:21,152 INFO L93 Difference]: Finished difference Result 4957 states and 5834 transitions. [2024-09-12 19:55:21,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-09-12 19:55:21,153 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.319148936170213) internal successors, (203), 42 states have internal predecessors, (203), 26 states have call successors, (37), 7 states have call predecessors, (37), 13 states have return successors, (39), 24 states have call predecessors, (39), 20 states have call successors, (39) Word has length 1745 [2024-09-12 19:55:21,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 19:55:21,182 INFO L225 Difference]: With dead ends: 4957 [2024-09-12 19:55:21,182 INFO L226 Difference]: Without dead ends: 2721 [2024-09-12 19:55:21,189 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 3905 GetRequests, 3838 SyntacticMatches, 5 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1218 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=535, Invalid=3497, Unknown=0, NotChecked=0, Total=4032 [2024-09-12 19:55:21,190 INFO L434 NwaCegarLoop]: 100 mSDtfsCounter, 402 mSDsluCounter, 1269 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 19:55:21,190 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 1369 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 19:55:21,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2024-09-12 19:55:21,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 2384. [2024-09-12 19:55:21,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2384 states, 1905 states have (on average 1.015748031496063) internal successors, (1935), 1896 states have internal predecessors, (1935), 308 states have call successors, (308), 176 states have call predecessors, (308), 168 states have return successors, (457), 311 states have call predecessors, (457), 307 states have call successors, (457) [2024-09-12 19:55:21,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2384 states and 2700 transitions. [2024-09-12 19:55:21,628 INFO L78 Accepts]: Start accepts. Automaton has 2384 states and 2700 transitions. Word has length 1745 [2024-09-12 19:55:21,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 19:55:21,629 INFO L474 AbstractCegarLoop]: Abstraction has 2384 states and 2700 transitions. [2024-09-12 19:55:21,629 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.319148936170213) internal successors, (203), 42 states have internal predecessors, (203), 26 states have call successors, (37), 7 states have call predecessors, (37), 13 states have return successors, (39), 24 states have call predecessors, (39), 20 states have call successors, (39) [2024-09-12 19:55:21,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:55:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 2700 transitions. [2024-09-12 19:55:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1766 [2024-09-12 19:55:21,642 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 19:55:21,642 INFO L216 NwaCegarLoop]: trace histogram [91, 91, 88, 88, 74, 74, 47, 47, 47, 47, 46, 46, 46, 46, 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 19:55:21,657 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-09-12 19:55:21,842 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,32 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:55:21,843 INFO L399 AbstractCegarLoop]: === Iteration 45 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 19:55:21,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 19:55:21,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1057565689, now seen corresponding path program 10 times [2024-09-12 19:55:21,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 19:55:21,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165421126] [2024-09-12 19:55:21,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 19:55:21,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 19:55:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:36,683 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 19:55:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:36,684 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-09-12 19:55:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:39,761 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:40,898 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,371 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,551 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,635 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,685 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,721 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,755 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,767 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,779 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,803 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,821 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,862 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,870 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,873 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,875 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,877 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,967 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,971 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,982 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,984 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:41,986 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:55:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,136 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 19:55:42,145 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,148 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,150 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,153 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,161 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,163 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,166 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,180 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,188 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,190 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,192 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,195 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-09-12 19:55:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,391 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,462 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,490 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,503 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,510 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,511 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 14 [2024-09-12 19:55:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,515 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:42,519 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 5 [2024-09-12 19:55:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,528 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,530 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,544 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,551 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,553 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,555 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,557 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:42,561 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 19:55:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,601 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 19:55:42,609 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,611 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,613 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,615 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,623 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,626 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:42,628 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2024-09-12 19:55:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,130 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,293 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,357 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,384 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,403 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,423 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 92 [2024-09-12 19:55:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,437 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,444 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,446 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,448 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,479 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,492 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,500 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,502 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,504 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,507 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,514 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,516 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,517 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 249 [2024-09-12 19:55:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,587 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,616 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,629 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,635 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,637 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,639 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,642 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,651 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,654 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,656 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:43,658 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 19:55:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,682 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:43,686 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2024-09-12 19:55:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:44,868 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,288 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,456 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,551 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,564 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,571 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,571 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 14 [2024-09-12 19:55:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,574 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,577 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,587 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,590 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,592 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,606 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,613 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,613 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 14 [2024-09-12 19:55:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,617 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,620 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,650 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,664 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 19:55:45,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,677 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,687 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,690 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,692 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-09-12 19:55:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,789 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,809 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,811 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,813 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:45,813 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 53 [2024-09-12 19:55:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,826 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,839 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:45,840 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 19:55:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,847 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,849 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:45,852 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-09-12 19:55:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,023 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,142 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,154 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,161 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,162 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,164 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,166 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-09-12 19:55:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,173 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,175 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,181 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-09-12 19:55:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,194 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,200 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,202 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-09-12 19:55:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,235 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,247 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,254 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,256 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,258 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-12 19:55:46,259 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 53 [2024-09-12 19:55:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 19:55:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,269 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-09-12 19:55:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 19:55:46,274 INFO L134 CoverageAnalysis]: Checked inductivity of 56686 backedges. 9291 proven. 10140 refuted. 0 times theorem prover too weak. 37255 trivial. 0 not checked. [2024-09-12 19:55:46,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 19:55:46,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165421126] [2024-09-12 19:55:46,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165421126] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 19:55:46,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704337818] [2024-09-12 19:55:46,274 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-12 19:55:46,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 19:55:46,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 19:55:46,275 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 19:55:46,276 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-09-12 19:55:47,077 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-12 19:55:47,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 19:55:47,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 3277 conjuncts, 353 conjuncts are in the unsatisfiable core [2024-09-12 19:55:47,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 19:55:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 56686 backedges. 9291 proven. 10140 refuted. 0 times theorem prover too weak. 37255 trivial. 0 not checked. [2024-09-12 19:55:48,221 INFO L327 TraceCheckSpWp]: Computing backward predicates...