./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/Fibonacci02.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/Fibonacci02.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 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/AutomizerReachWitnessValidation.xml -i ../sv-benchmarks/c/recursive/Fibonacci02.c ../results/automizer-verification-files/SV-COMP24_unreach-call/Fibonacci02.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:52:03,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:52:03,980 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-17 19:52:03,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:52:03,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:52:04,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:52:04,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:52:04,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:52:04,012 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:52:04,014 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:52:04,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:52:04,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:52:04,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:52:04,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:52:04,015 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:52:04,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:52:04,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:52:04,017 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:52:04,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:52:04,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:52:04,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:52:04,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:52:04,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:52:04,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:52:04,019 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:52:04,019 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:52:04,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:52:04,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:52:04,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:52:04,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:52:04,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:52:04,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:52:04,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:52:04,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:52:04,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:52:04,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:52:04,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:52:04,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:52:04,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:52:04,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:52:04,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:52:04,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:52:04,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:52:04,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:52:04,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:52:04,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:52:04,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:52:04,224 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:52:04,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-17 19:52:05,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:52:05,684 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:52:05,684 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-17 19:52:05,690 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/9b9f788a5/f0b7d74d0c5847d98fba5e1cbbce4316/FLAG3a42cd959 [2024-09-17 19:52:05,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/9b9f788a5/f0b7d74d0c5847d98fba5e1cbbce4316 [2024-09-17 19:52:05,711 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:52:05,711 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:52:05,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/Fibonacci02.yml/witness-2.1.yml [2024-09-17 19:52:05,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:52:05,751 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-17 19:52:05,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:52:05,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:52:05,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:52:05,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:52:05" (1/2) ... [2024-09-17 19:52:05,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1a6e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:52:05, skipping insertion in model container [2024-09-17 19:52:05,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:52:05" (1/2) ... [2024-09-17 19:52:05,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5589f054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:52:05, skipping insertion in model container [2024-09-17 19:52:05,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:52:05" (2/2) ... [2024-09-17 19:52:05,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1a6e5a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05, skipping insertion in model container [2024-09-17 19:52:05,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:52:05" (2/2) ... [2024-09-17 19:52:05,778 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:52:05,778 INFO L1541 ArrayList]: Function contract at [L16]: requires null, ensures ((\result == 0) || (0 < \old(n))) [2024-09-17 19:52:05,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:52:05,900 WARN L248 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/Fibonacci02.c[715,728] [2024-09-17 19:52:05,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:52:05,920 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-17 19:52:05,968 WARN L248 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/Fibonacci02.c[715,728] [2024-09-17 19:52:05,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:52:05,992 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:52:05,993 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05 WrapperNode [2024-09-17 19:52:05,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:52:05,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-17 19:52:05,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-17 19:52:05,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-17 19:52:06,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05" (1/1) ... [2024-09-17 19:52:06,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05" (1/1) ... [2024-09-17 19:52:06,038 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-09-17 19:52:06,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-17 19:52:06,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:52:06,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:52:06,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:52:06,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05" (1/1) ... [2024-09-17 19:52:06,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05" (1/1) ... [2024-09-17 19:52:06,057 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05" (1/1) ... [2024-09-17 19:52:06,066 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure fibonacci is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-17 19:52:06,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05" (1/1) ... [2024-09-17 19:52:06,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05" (1/1) ... [2024-09-17 19:52:06,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05" (1/1) ... [2024-09-17 19:52:06,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05" (1/1) ... [2024-09-17 19:52:06,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05" (1/1) ... [2024-09-17 19:52:06,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05" (1/1) ... [2024-09-17 19:52:06,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:52:06,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:52:06,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:52:06,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:52:06,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05" (1/1) ... [2024-09-17 19:52:06,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:52:06,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:52:06,129 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) [2024-09-17 19:52:06,131 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 [2024-09-17 19:52:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-09-17 19:52:06,165 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-09-17 19:52:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:52:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:52:06,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:52:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:52:06,214 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:52:06,215 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:52:06,282 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-09-17 19:52:06,282 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:52:06,298 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:52:06,298 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-17 19:52:06,299 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:52:06 BoogieIcfgContainer [2024-09-17 19:52:06,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:52:06,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-17 19:52:06,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-17 19:52:06,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-17 19:52:06,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.09 07:52:05" (1/4) ... [2024-09-17 19:52:06,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7b2e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.09 07:52:06, skipping insertion in model container [2024-09-17 19:52:06,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:52:05" (2/4) ... [2024-09-17 19:52:06,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7b2e66 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.09 07:52:06, skipping insertion in model container [2024-09-17 19:52:06,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:52:05" (3/4) ... [2024-09-17 19:52:06,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7b2e66 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.09 07:52:06, skipping insertion in model container [2024-09-17 19:52:06,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:52:06" (4/4) ... [2024-09-17 19:52:06,305 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2024-09-17 19:52:06,317 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-17 19:52:06,318 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-17 19:52:06,347 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-17 19:52:06,352 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=None, 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;@445bbb60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-17 19:52:06,352 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-17 19:52:06,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-17 19:52:06,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-09-17 19:52:06,360 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:06,360 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-09-17 19:52:06,361 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:06,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:06,364 INFO L85 PathProgramCache]: Analyzing trace with hash 63842220, now seen corresponding path program 1 times [2024-09-17 19:52:06,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:06,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845862339] [2024-09-17 19:52:06,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:06,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-17 19:52:06,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:06,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845862339] [2024-09-17 19:52:06,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845862339] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-17 19:52:06,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-17 19:52:06,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-17 19:52:06,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054642480] [2024-09-17 19:52:06,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-17 19:52:06,481 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-17 19:52:06,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:06,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-17 19:52:06,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-17 19:52:06,526 INFO L87 Difference]: Start difference. First operand has 18 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-17 19:52:06,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:06,550 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2024-09-17 19:52:06,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-17 19:52:06,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-09-17 19:52:06,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:06,563 INFO L225 Difference]: With dead ends: 20 [2024-09-17 19:52:06,563 INFO L226 Difference]: Without dead ends: 18 [2024-09-17 19:52:06,565 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-17 19:52:06,567 INFO L434 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:06,568 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 32 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-17 19:52:06,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-09-17 19:52:06,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2024-09-17 19:52:06,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-17 19:52:06,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2024-09-17 19:52:06,616 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 5 [2024-09-17 19:52:06,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:06,616 INFO L474 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-09-17 19:52:06,616 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-17 19:52:06,617 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-09-17 19:52:06,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-09-17 19:52:06,617 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:06,617 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-09-17 19:52:06,618 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-17 19:52:06,618 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:06,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:06,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1979109578, now seen corresponding path program 1 times [2024-09-17 19:52:06,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:06,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968575289] [2024-09-17 19:52:06,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:06,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:06,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-17 19:52:06,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:06,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968575289] [2024-09-17 19:52:06,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968575289] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-17 19:52:06,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-17 19:52:06,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-17 19:52:06,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408052862] [2024-09-17 19:52:06,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-17 19:52:06,688 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-17 19:52:06,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:06,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-17 19:52:06,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-17 19:52:06,689 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 4 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-17 19:52:06,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:06,712 INFO L93 Difference]: Finished difference Result 27 states and 33 transitions. [2024-09-17 19:52:06,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-17 19:52:06,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-09-17 19:52:06,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:06,713 INFO L225 Difference]: With dead ends: 27 [2024-09-17 19:52:06,714 INFO L226 Difference]: Without dead ends: 27 [2024-09-17 19:52:06,714 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-17 19:52:06,716 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:06,717 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 36 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-17 19:52:06,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-09-17 19:52:06,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2024-09-17 19:52:06,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 18 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-09-17 19:52:06,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2024-09-17 19:52:06,725 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 6 [2024-09-17 19:52:06,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:06,725 INFO L474 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2024-09-17 19:52:06,725 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-17 19:52:06,726 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-09-17 19:52:06,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-09-17 19:52:06,727 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:06,727 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:52:06,727 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-17 19:52:06,727 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:06,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:06,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1680014884, now seen corresponding path program 1 times [2024-09-17 19:52:06,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:06,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683571926] [2024-09-17 19:52:06,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:06,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:06,775 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-17 19:52:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-17 19:52:06,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:06,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683571926] [2024-09-17 19:52:06,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683571926] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-17 19:52:06,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-17 19:52:06,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-17 19:52:06,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682939513] [2024-09-17 19:52:06,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-17 19:52:06,805 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-17 19:52:06,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:06,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-17 19:52:06,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-17 19:52:06,806 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-17 19:52:06,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:06,880 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2024-09-17 19:52:06,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-17 19:52:06,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-09-17 19:52:06,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:06,882 INFO L225 Difference]: With dead ends: 34 [2024-09-17 19:52:06,882 INFO L226 Difference]: Without dead ends: 32 [2024-09-17 19:52:06,882 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-17 19:52:06,883 INFO L434 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:06,883 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 26 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-17 19:52:06,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-09-17 19:52:06,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2024-09-17 19:52:06,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-09-17 19:52:06,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2024-09-17 19:52:06,888 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 9 [2024-09-17 19:52:06,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:06,889 INFO L474 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-09-17 19:52:06,889 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-17 19:52:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-09-17 19:52:06,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-09-17 19:52:06,889 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:06,890 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-09-17 19:52:06,890 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-17 19:52:06,890 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:06,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:06,890 INFO L85 PathProgramCache]: Analyzing trace with hash 198300645, now seen corresponding path program 1 times [2024-09-17 19:52:06,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:06,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179645742] [2024-09-17 19:52:06,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:06,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-17 19:52:06,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:06,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179645742] [2024-09-17 19:52:06,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179645742] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:52:06,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882031937] [2024-09-17 19:52:06,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:06,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:06,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:52:06,958 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) [2024-09-17 19:52:06,959 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-17 19:52:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:06,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-17 19:52:07,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:52:07,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-17 19:52:07,079 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:52:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-17 19:52:07,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882031937] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:52:07,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:52:07,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-09-17 19:52:07,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303162441] [2024-09-17 19:52:07,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:52:07,129 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-17 19:52:07,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:07,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-17 19:52:07,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-09-17 19:52:07,130 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 11 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-17 19:52:07,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:07,276 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2024-09-17 19:52:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-17 19:52:07,276 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-09-17 19:52:07,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:07,277 INFO L225 Difference]: With dead ends: 58 [2024-09-17 19:52:07,277 INFO L226 Difference]: Without dead ends: 58 [2024-09-17 19:52:07,278 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-09-17 19:52:07,278 INFO L434 NwaCegarLoop]: 16 mSDtfsCounter, 43 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:07,279 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 63 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-17 19:52:07,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-09-17 19:52:07,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53. [2024-09-17 19:52:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-09-17 19:52:07,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2024-09-17 19:52:07,286 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 10 [2024-09-17 19:52:07,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:07,286 INFO L474 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2024-09-17 19:52:07,286 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-17 19:52:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2024-09-17 19:52:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-09-17 19:52:07,287 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:07,287 INFO L216 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:52:07,299 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-17 19:52:07,487 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:07,488 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:07,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:07,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1422833789, now seen corresponding path program 1 times [2024-09-17 19:52:07,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:07,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997225472] [2024-09-17 19:52:07,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:07,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:07,527 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-09-17 19:52:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:07,534 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-09-17 19:52:07,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:07,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997225472] [2024-09-17 19:52:07,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997225472] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-17 19:52:07,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-17 19:52:07,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-17 19:52:07,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135107425] [2024-09-17 19:52:07,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-17 19:52:07,537 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-17 19:52:07,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:07,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-17 19:52:07,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-17 19:52:07,538 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-09-17 19:52:07,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:07,572 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2024-09-17 19:52:07,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-17 19:52:07,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 21 [2024-09-17 19:52:07,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:07,573 INFO L225 Difference]: With dead ends: 57 [2024-09-17 19:52:07,573 INFO L226 Difference]: Without dead ends: 57 [2024-09-17 19:52:07,574 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-17 19:52:07,574 INFO L434 NwaCegarLoop]: 10 mSDtfsCounter, 9 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:07,575 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 16 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-17 19:52:07,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-09-17 19:52:07,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 51. [2024-09-17 19:52:07,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 34 states have (on average 1.088235294117647) internal successors, (37), 34 states have internal predecessors, (37), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-09-17 19:52:07,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2024-09-17 19:52:07,582 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 21 [2024-09-17 19:52:07,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:07,582 INFO L474 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2024-09-17 19:52:07,582 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-09-17 19:52:07,583 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2024-09-17 19:52:07,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-09-17 19:52:07,584 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:07,584 INFO L216 NwaCegarLoop]: trace histogram [7, 7, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2024-09-17 19:52:07,584 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-17 19:52:07,584 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:07,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:07,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1855040273, now seen corresponding path program 1 times [2024-09-17 19:52:07,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:07,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962450807] [2024-09-17 19:52:07,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:07,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:07,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-17 19:52:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:07,764 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:07,831 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:07,864 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:07,872 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:07,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:07,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 34 proven. 34 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-09-17 19:52:07,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:07,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962450807] [2024-09-17 19:52:07,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962450807] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:52:07,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462433454] [2024-09-17 19:52:07,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:07,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:07,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:52:07,935 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) [2024-09-17 19:52:07,936 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-17 19:52:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:07,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-17 19:52:07,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:52:08,019 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 11 proven. 48 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-09-17 19:52:08,020 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:52:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 11 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-09-17 19:52:08,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462433454] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:52:08,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:52:08,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2024-09-17 19:52:08,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388896735] [2024-09-17 19:52:08,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:52:08,282 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-17 19:52:08,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:08,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-17 19:52:08,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-09-17 19:52:08,283 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 12 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (17), 8 states have call predecessors, (17), 12 states have call successors, (17) [2024-09-17 19:52:08,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:08,408 INFO L93 Difference]: Finished difference Result 103 states and 137 transitions. [2024-09-17 19:52:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-17 19:52:08,409 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 12 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (17), 8 states have call predecessors, (17), 12 states have call successors, (17) Word has length 50 [2024-09-17 19:52:08,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:08,411 INFO L225 Difference]: With dead ends: 103 [2024-09-17 19:52:08,411 INFO L226 Difference]: Without dead ends: 93 [2024-09-17 19:52:08,411 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 104 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2024-09-17 19:52:08,412 INFO L434 NwaCegarLoop]: 8 mSDtfsCounter, 40 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:08,412 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 38 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-17 19:52:08,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-09-17 19:52:08,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 71. [2024-09-17 19:52:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 16 states have call successors, (16), 6 states have call predecessors, (16), 8 states have return successors, (27), 17 states have call predecessors, (27), 16 states have call successors, (27) [2024-09-17 19:52:08,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2024-09-17 19:52:08,425 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 50 [2024-09-17 19:52:08,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:08,425 INFO L474 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2024-09-17 19:52:08,425 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 12 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (17), 8 states have call predecessors, (17), 12 states have call successors, (17) [2024-09-17 19:52:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2024-09-17 19:52:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-09-17 19:52:08,427 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:08,428 INFO L216 NwaCegarLoop]: trace histogram [9, 9, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1] [2024-09-17 19:52:08,442 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-17 19:52:08,631 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-09-17 19:52:08,632 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:08,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:08,632 INFO L85 PathProgramCache]: Analyzing trace with hash 25607238, now seen corresponding path program 2 times [2024-09-17 19:52:08,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:08,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174301990] [2024-09-17 19:52:08,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:08,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:08,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-17 19:52:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:08,714 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:08,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:08,774 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:08,778 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:08,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:08,791 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-09-17 19:52:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:08,796 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:08,797 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:08,800 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 47 proven. 42 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-09-17 19:52:08,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:08,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174301990] [2024-09-17 19:52:08,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174301990] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:52:08,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743750844] [2024-09-17 19:52:08,800 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-17 19:52:08,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:08,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:52:08,806 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) [2024-09-17 19:52:08,808 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-17 19:52:08,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-17 19:52:08,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-17 19:52:08,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-17 19:52:08,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:52:09,019 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 17 proven. 84 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-09-17 19:52:09,019 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:52:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 17 proven. 99 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-09-17 19:52:09,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743750844] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:52:09,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:52:09,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 11] total 19 [2024-09-17 19:52:09,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011160073] [2024-09-17 19:52:09,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:52:09,497 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-17 19:52:09,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:09,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-17 19:52:09,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-09-17 19:52:09,498 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand has 19 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 19 states have internal predecessors, (52), 13 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (20), 8 states have call predecessors, (20), 13 states have call successors, (20) [2024-09-17 19:52:09,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:09,745 INFO L93 Difference]: Finished difference Result 133 states and 183 transitions. [2024-09-17 19:52:09,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-17 19:52:09,745 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 19 states have internal predecessors, (52), 13 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (20), 8 states have call predecessors, (20), 13 states have call successors, (20) Word has length 63 [2024-09-17 19:52:09,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:09,747 INFO L225 Difference]: With dead ends: 133 [2024-09-17 19:52:09,747 INFO L226 Difference]: Without dead ends: 114 [2024-09-17 19:52:09,747 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 130 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2024-09-17 19:52:09,748 INFO L434 NwaCegarLoop]: 12 mSDtfsCounter, 45 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:09,748 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 65 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-17 19:52:09,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-09-17 19:52:09,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 96. [2024-09-17 19:52:09,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 63 states have (on average 1.0952380952380953) internal successors, (69), 63 states have internal predecessors, (69), 21 states have call successors, (21), 9 states have call predecessors, (21), 11 states have return successors, (40), 23 states have call predecessors, (40), 21 states have call successors, (40) [2024-09-17 19:52:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 130 transitions. [2024-09-17 19:52:09,756 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 130 transitions. Word has length 63 [2024-09-17 19:52:09,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:09,756 INFO L474 AbstractCegarLoop]: Abstraction has 96 states and 130 transitions. [2024-09-17 19:52:09,756 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 19 states have internal predecessors, (52), 13 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (20), 8 states have call predecessors, (20), 13 states have call successors, (20) [2024-09-17 19:52:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 130 transitions. [2024-09-17 19:52:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-09-17 19:52:09,760 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:09,760 INFO L216 NwaCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 7, 4, 1, 1, 1, 1, 1, 1] [2024-09-17 19:52:09,779 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-17 19:52:09,964 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-17 19:52:09,965 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:09,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:09,966 INFO L85 PathProgramCache]: Analyzing trace with hash -250868966, now seen corresponding path program 3 times [2024-09-17 19:52:09,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:09,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750282877] [2024-09-17 19:52:09,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:09,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,057 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-17 19:52:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,158 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,201 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,231 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,278 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,282 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,285 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,293 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,295 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,297 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,326 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,345 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,354 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,362 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,368 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,375 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,383 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,388 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,390 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:10,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 57 proven. 377 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-09-17 19:52:10,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:10,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750282877] [2024-09-17 19:52:10,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750282877] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:52:10,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582582411] [2024-09-17 19:52:10,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-17 19:52:10,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:10,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:52:10,399 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) [2024-09-17 19:52:10,403 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-17 19:52:10,505 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-09-17 19:52:10,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-17 19:52:10,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-17 19:52:10,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:52:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 393 proven. 34 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2024-09-17 19:52:10,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:52:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 393 proven. 41 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-09-17 19:52:11,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582582411] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:52:11,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:52:11,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 11] total 25 [2024-09-17 19:52:11,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436062584] [2024-09-17 19:52:11,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:52:11,213 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-17 19:52:11,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:11,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-17 19:52:11,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=470, Unknown=0, NotChecked=0, Total=600 [2024-09-17 19:52:11,214 INFO L87 Difference]: Start difference. First operand 96 states and 130 transitions. Second operand has 25 states, 24 states have (on average 2.625) internal successors, (63), 25 states have internal predecessors, (63), 13 states have call successors, (17), 1 states have call predecessors, (17), 11 states have return successors, (24), 17 states have call predecessors, (24), 13 states have call successors, (24) [2024-09-17 19:52:11,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:11,503 INFO L93 Difference]: Finished difference Result 157 states and 197 transitions. [2024-09-17 19:52:11,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-17 19:52:11,503 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.625) internal successors, (63), 25 states have internal predecessors, (63), 13 states have call successors, (17), 1 states have call predecessors, (17), 11 states have return successors, (24), 17 states have call predecessors, (24), 13 states have call successors, (24) Word has length 146 [2024-09-17 19:52:11,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:11,508 INFO L225 Difference]: With dead ends: 157 [2024-09-17 19:52:11,508 INFO L226 Difference]: Without dead ends: 138 [2024-09-17 19:52:11,509 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 317 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=361, Invalid=1121, Unknown=0, NotChecked=0, Total=1482 [2024-09-17 19:52:11,510 INFO L434 NwaCegarLoop]: 19 mSDtfsCounter, 86 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:11,510 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 98 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-17 19:52:11,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-09-17 19:52:11,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 117. [2024-09-17 19:52:11,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 78 states have (on average 1.0128205128205128) internal successors, (79), 77 states have internal predecessors, (79), 25 states have call successors, (25), 12 states have call predecessors, (25), 13 states have return successors, (39), 27 states have call predecessors, (39), 25 states have call successors, (39) [2024-09-17 19:52:11,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 143 transitions. [2024-09-17 19:52:11,518 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 143 transitions. Word has length 146 [2024-09-17 19:52:11,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:11,518 INFO L474 AbstractCegarLoop]: Abstraction has 117 states and 143 transitions. [2024-09-17 19:52:11,519 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.625) internal successors, (63), 25 states have internal predecessors, (63), 13 states have call successors, (17), 1 states have call predecessors, (17), 11 states have return successors, (24), 17 states have call predecessors, (24), 13 states have call successors, (24) [2024-09-17 19:52:11,519 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 143 transitions. [2024-09-17 19:52:11,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-09-17 19:52:11,520 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:11,521 INFO L216 NwaCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1] [2024-09-17 19:52:11,536 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-17 19:52:11,724 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:11,725 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:11,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:11,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1451312475, now seen corresponding path program 4 times [2024-09-17 19:52:11,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:11,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331892673] [2024-09-17 19:52:11,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:11,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:11,925 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-17 19:52:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,190 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,233 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,297 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,316 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,319 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,329 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,331 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,332 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,341 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,343 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,345 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,347 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,413 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,467 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,504 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,550 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,553 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,555 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,571 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,577 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,578 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,579 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,586 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,589 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 439 proven. 754 refuted. 0 times theorem prover too weak. 1387 trivial. 0 not checked. [2024-09-17 19:52:12,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:12,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331892673] [2024-09-17 19:52:12,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331892673] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:52:12,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492544051] [2024-09-17 19:52:12,593 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-17 19:52:12,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:12,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:52:12,595 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) [2024-09-17 19:52:12,596 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-17 19:52:12,663 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-17 19:52:12,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-17 19:52:12,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-17 19:52:12,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:52:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 463 proven. 843 refuted. 0 times theorem prover too weak. 1274 trivial. 0 not checked. [2024-09-17 19:52:12,769 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:52:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 463 proven. 891 refuted. 0 times theorem prover too weak. 1226 trivial. 0 not checked. [2024-09-17 19:52:14,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492544051] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:52:14,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:52:14,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 15, 23] total 36 [2024-09-17 19:52:14,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110318958] [2024-09-17 19:52:14,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:52:14,378 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-17 19:52:14,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:14,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-17 19:52:14,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=957, Unknown=0, NotChecked=0, Total=1260 [2024-09-17 19:52:14,380 INFO L87 Difference]: Start difference. First operand 117 states and 143 transitions. Second operand has 36 states, 35 states have (on average 2.6857142857142855) internal successors, (94), 36 states have internal predecessors, (94), 30 states have call successors, (33), 1 states have call predecessors, (33), 12 states have return successors, (46), 19 states have call predecessors, (46), 30 states have call successors, (46) [2024-09-17 19:52:14,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:14,785 INFO L93 Difference]: Finished difference Result 186 states and 248 transitions. [2024-09-17 19:52:14,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-17 19:52:14,786 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 2.6857142857142855) internal successors, (94), 36 states have internal predecessors, (94), 30 states have call successors, (33), 1 states have call predecessors, (33), 12 states have return successors, (46), 19 states have call predecessors, (46), 30 states have call successors, (46) Word has length 214 [2024-09-17 19:52:14,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:14,789 INFO L225 Difference]: With dead ends: 186 [2024-09-17 19:52:14,790 INFO L226 Difference]: Without dead ends: 167 [2024-09-17 19:52:14,791 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 465 SyntacticMatches, 11 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=674, Invalid=1978, Unknown=0, NotChecked=0, Total=2652 [2024-09-17 19:52:14,791 INFO L434 NwaCegarLoop]: 19 mSDtfsCounter, 88 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:14,791 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 110 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-17 19:52:14,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-09-17 19:52:14,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 142. [2024-09-17 19:52:14,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 96 states have (on average 1.0208333333333333) internal successors, (98), 94 states have internal predecessors, (98), 30 states have call successors, (30), 16 states have call predecessors, (30), 15 states have return successors, (56), 31 states have call predecessors, (56), 30 states have call successors, (56) [2024-09-17 19:52:14,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 184 transitions. [2024-09-17 19:52:14,808 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 184 transitions. Word has length 214 [2024-09-17 19:52:14,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:14,809 INFO L474 AbstractCegarLoop]: Abstraction has 142 states and 184 transitions. [2024-09-17 19:52:14,809 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 2.6857142857142855) internal successors, (94), 36 states have internal predecessors, (94), 30 states have call successors, (33), 1 states have call predecessors, (33), 12 states have return successors, (46), 19 states have call predecessors, (46), 30 states have call successors, (46) [2024-09-17 19:52:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 184 transitions. [2024-09-17 19:52:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-09-17 19:52:14,816 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:14,816 INFO L216 NwaCegarLoop]: trace histogram [53, 53, 43, 26, 26, 26, 26, 26, 26, 26, 17, 10, 1, 1, 1, 1, 1, 1] [2024-09-17 19:52:14,829 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-17 19:52:15,020 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:15,022 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:15,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:15,022 INFO L85 PathProgramCache]: Analyzing trace with hash 519075704, now seen corresponding path program 5 times [2024-09-17 19:52:15,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:15,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723213135] [2024-09-17 19:52:15,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:15,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,278 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-17 19:52:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,522 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,635 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,736 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,775 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,801 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,844 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,846 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,849 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,853 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,854 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,856 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,863 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,865 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,866 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,867 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,868 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,877 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,881 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,884 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,885 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,886 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,888 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,889 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:15,890 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-17 19:52:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,064 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,077 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,083 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,088 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,090 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,092 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,096 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,105 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,148 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,196 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,199 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,202 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,206 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-09-17 19:52:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,218 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,219 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,219 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:16,223 INFO L134 CoverageAnalysis]: Checked inductivity of 7715 backedges. 1014 proven. 1565 refuted. 0 times theorem prover too weak. 5136 trivial. 0 not checked. [2024-09-17 19:52:16,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:16,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723213135] [2024-09-17 19:52:16,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723213135] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:52:16,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782532955] [2024-09-17 19:52:16,223 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-17 19:52:16,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:16,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:52:16,225 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) [2024-09-17 19:52:16,232 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-17 19:52:16,377 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) [2024-09-17 19:52:16,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-17 19:52:16,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-17 19:52:16,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:52:16,519 INFO L134 CoverageAnalysis]: Checked inductivity of 7715 backedges. 2999 proven. 356 refuted. 0 times theorem prover too weak. 4360 trivial. 0 not checked. [2024-09-17 19:52:16,520 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:52:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 7715 backedges. 1755 proven. 599 refuted. 0 times theorem prover too weak. 5361 trivial. 0 not checked. [2024-09-17 19:52:18,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782532955] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:52:18,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:52:18,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 13, 19] total 38 [2024-09-17 19:52:18,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206520986] [2024-09-17 19:52:18,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:52:18,553 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-09-17 19:52:18,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:18,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-09-17 19:52:18,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=1100, Unknown=0, NotChecked=0, Total=1406 [2024-09-17 19:52:18,558 INFO L87 Difference]: Start difference. First operand 142 states and 184 transitions. Second operand has 38 states, 37 states have (on average 2.675675675675676) internal successors, (99), 38 states have internal predecessors, (99), 27 states have call successors, (35), 2 states have call predecessors, (35), 15 states have return successors, (50), 25 states have call predecessors, (50), 27 states have call successors, (50) [2024-09-17 19:52:19,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:19,098 INFO L93 Difference]: Finished difference Result 212 states and 285 transitions. [2024-09-17 19:52:19,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-17 19:52:19,098 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 2.675675675675676) internal successors, (99), 38 states have internal predecessors, (99), 27 states have call successors, (35), 2 states have call predecessors, (35), 15 states have return successors, (50), 25 states have call predecessors, (50), 27 states have call successors, (50) Word has length 364 [2024-09-17 19:52:19,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:19,100 INFO L225 Difference]: With dead ends: 212 [2024-09-17 19:52:19,101 INFO L226 Difference]: Without dead ends: 193 [2024-09-17 19:52:19,102 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 877 GetRequests, 810 SyntacticMatches, 9 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1230 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=803, Invalid=2737, Unknown=0, NotChecked=0, Total=3540 [2024-09-17 19:52:19,103 INFO L434 NwaCegarLoop]: 23 mSDtfsCounter, 177 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:19,103 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 152 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-17 19:52:19,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-09-17 19:52:19,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 168. [2024-09-17 19:52:19,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 114 states have (on average 1.0175438596491229) internal successors, (116), 112 states have internal predecessors, (116), 36 states have call successors, (36), 20 states have call predecessors, (36), 17 states have return successors, (69), 35 states have call predecessors, (69), 36 states have call successors, (69) [2024-09-17 19:52:19,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 221 transitions. [2024-09-17 19:52:19,118 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 221 transitions. Word has length 364 [2024-09-17 19:52:19,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:19,118 INFO L474 AbstractCegarLoop]: Abstraction has 168 states and 221 transitions. [2024-09-17 19:52:19,119 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 2.675675675675676) internal successors, (99), 38 states have internal predecessors, (99), 27 states have call successors, (35), 2 states have call predecessors, (35), 15 states have return successors, (50), 25 states have call predecessors, (50), 27 states have call successors, (50) [2024-09-17 19:52:19,119 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 221 transitions. [2024-09-17 19:52:19,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2024-09-17 19:52:19,132 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:19,132 INFO L216 NwaCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1] [2024-09-17 19:52:19,147 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-17 19:52:19,332 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-17 19:52:19,333 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:19,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:19,333 INFO L85 PathProgramCache]: Analyzing trace with hash -754466991, now seen corresponding path program 6 times [2024-09-17 19:52:19,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:19,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361658422] [2024-09-17 19:52:19,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:19,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:19,684 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-17 19:52:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:19,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,168 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,244 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,294 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,333 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,367 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,383 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,386 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,390 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,402 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,411 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,415 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,419 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,431 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,434 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,436 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,437 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,438 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,441 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,443 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-17 19:52:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,458 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,463 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,466 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,468 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,469 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,470 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,471 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,473 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,473 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,474 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,477 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,479 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,480 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,481 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,482 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-17 19:52:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,505 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,515 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,524 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,526 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,527 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,528 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,531 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,533 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,534 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,537 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,539 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,540 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,541 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,543 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,548 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,551 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,553 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,554 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,555 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,556 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,558 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,559 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:20,563 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2024-09-17 19:52:20,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:20,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361658422] [2024-09-17 19:52:20,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361658422] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:52:20,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744456534] [2024-09-17 19:52:20,564 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-17 19:52:20,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:20,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:52:20,566 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) [2024-09-17 19:52:20,568 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-17 19:52:20,788 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2024-09-17 19:52:20,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-17 19:52:20,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-17 19:52:20,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:52:20,915 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 508 proven. 1816 refuted. 0 times theorem prover too weak. 10063 trivial. 0 not checked. [2024-09-17 19:52:20,920 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:52:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 512 proven. 1869 refuted. 0 times theorem prover too weak. 10006 trivial. 0 not checked. [2024-09-17 19:52:22,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744456534] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:52:22,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:52:22,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11, 17] total 27 [2024-09-17 19:52:22,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412690035] [2024-09-17 19:52:22,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:52:22,797 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-17 19:52:22,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:22,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-17 19:52:22,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=464, Unknown=0, NotChecked=0, Total=702 [2024-09-17 19:52:22,798 INFO L87 Difference]: Start difference. First operand 168 states and 221 transitions. Second operand has 27 states, 26 states have (on average 2.6923076923076925) internal successors, (70), 27 states have internal predecessors, (70), 22 states have call successors, (25), 1 states have call predecessors, (25), 9 states have return successors, (36), 18 states have call predecessors, (36), 22 states have call successors, (36) [2024-09-17 19:52:22,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:22,980 INFO L93 Difference]: Finished difference Result 552 states and 796 transitions. [2024-09-17 19:52:22,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-17 19:52:22,981 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.6923076923076925) internal successors, (70), 27 states have internal predecessors, (70), 22 states have call successors, (25), 1 states have call predecessors, (25), 9 states have return successors, (36), 18 states have call predecessors, (36), 22 states have call successors, (36) Word has length 459 [2024-09-17 19:52:22,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:22,984 INFO L225 Difference]: With dead ends: 552 [2024-09-17 19:52:22,984 INFO L226 Difference]: Without dead ends: 529 [2024-09-17 19:52:22,984 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1068 GetRequests, 1034 SyntacticMatches, 8 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=492, Unknown=0, NotChecked=0, Total=756 [2024-09-17 19:52:22,985 INFO L434 NwaCegarLoop]: 14 mSDtfsCounter, 73 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:22,985 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 76 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-17 19:52:22,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-09-17 19:52:23,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 511. [2024-09-17 19:52:23,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 339 states have (on average 1.0176991150442478) internal successors, (345), 334 states have internal predecessors, (345), 118 states have call successors, (118), 54 states have call predecessors, (118), 53 states have return successors, (263), 122 states have call predecessors, (263), 118 states have call successors, (263) [2024-09-17 19:52:23,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 726 transitions. [2024-09-17 19:52:23,018 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 726 transitions. Word has length 459 [2024-09-17 19:52:23,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:23,020 INFO L474 AbstractCegarLoop]: Abstraction has 511 states and 726 transitions. [2024-09-17 19:52:23,021 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.6923076923076925) internal successors, (70), 27 states have internal predecessors, (70), 22 states have call successors, (25), 1 states have call predecessors, (25), 9 states have return successors, (36), 18 states have call predecessors, (36), 22 states have call successors, (36) [2024-09-17 19:52:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 726 transitions. [2024-09-17 19:52:23,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 814 [2024-09-17 19:52:23,032 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:23,032 INFO L216 NwaCegarLoop]: trace histogram [119, 119, 96, 59, 59, 59, 59, 59, 59, 59, 37, 23, 1, 1, 1, 1, 1, 1] [2024-09-17 19:52:23,044 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-17 19:52:23,236 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:23,237 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:23,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:23,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1702316311, now seen corresponding path program 7 times [2024-09-17 19:52:23,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:23,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743513847] [2024-09-17 19:52:23,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:23,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:23,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-17 19:52:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:24,670 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:24,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,043 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,162 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,196 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,225 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,268 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,269 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,273 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,274 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,275 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,280 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,282 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,283 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,284 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,292 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,295 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,297 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,299 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,299 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,300 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,302 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,303 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,305 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-17 19:52:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,318 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,350 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,353 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,355 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,358 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,361 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,362 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,365 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,366 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,367 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,368 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-17 19:52:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,390 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,408 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,408 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,411 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,412 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,423 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,428 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,433 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,434 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,436 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,438 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,441 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-17 19:52:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,613 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,770 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,868 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:25,990 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,081 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,083 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,087 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,090 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,092 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,096 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,101 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,116 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,120 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-17 19:52:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,141 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,155 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,165 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,170 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,172 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,174 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,181 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,183 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-09-17 19:52:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,192 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,199 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,202 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,203 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,205 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,206 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,209 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,209 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,212 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,214 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 39488 backedges. 5020 proven. 5734 refuted. 0 times theorem prover too weak. 28734 trivial. 0 not checked. [2024-09-17 19:52:26,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:26,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743513847] [2024-09-17 19:52:26,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743513847] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:52:26,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929153869] [2024-09-17 19:52:26,219 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-17 19:52:26,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:26,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:52:26,221 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) [2024-09-17 19:52:26,222 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-17 19:52:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:26,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 1826 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-17 19:52:26,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:52:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 39488 backedges. 3743 proven. 1806 refuted. 0 times theorem prover too weak. 33939 trivial. 0 not checked. [2024-09-17 19:52:26,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:52:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 39488 backedges. 3743 proven. 1898 refuted. 0 times theorem prover too weak. 33847 trivial. 0 not checked. [2024-09-17 19:52:30,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929153869] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:52:30,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:52:30,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 13, 21] total 46 [2024-09-17 19:52:30,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416710262] [2024-09-17 19:52:30,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:52:30,503 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-09-17 19:52:30,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:30,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-09-17 19:52:30,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=453, Invalid=1617, Unknown=0, NotChecked=0, Total=2070 [2024-09-17 19:52:30,504 INFO L87 Difference]: Start difference. First operand 511 states and 726 transitions. Second operand has 46 states, 45 states have (on average 2.3777777777777778) internal successors, (107), 46 states have internal predecessors, (107), 34 states have call successors, (38), 1 states have call predecessors, (38), 19 states have return successors, (59), 33 states have call predecessors, (59), 34 states have call successors, (59) [2024-09-17 19:52:31,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:31,161 INFO L93 Difference]: Finished difference Result 323 states and 477 transitions. [2024-09-17 19:52:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-17 19:52:31,162 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.3777777777777778) internal successors, (107), 46 states have internal predecessors, (107), 34 states have call successors, (38), 1 states have call predecessors, (38), 19 states have return successors, (59), 33 states have call predecessors, (59), 34 states have call successors, (59) Word has length 813 [2024-09-17 19:52:31,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:31,166 INFO L225 Difference]: With dead ends: 323 [2024-09-17 19:52:31,166 INFO L226 Difference]: Without dead ends: 251 [2024-09-17 19:52:31,168 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1933 GetRequests, 1848 SyntacticMatches, 10 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2176 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1254, Invalid=4598, Unknown=0, NotChecked=0, Total=5852 [2024-09-17 19:52:31,168 INFO L434 NwaCegarLoop]: 36 mSDtfsCounter, 287 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:31,169 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 187 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-17 19:52:31,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-09-17 19:52:31,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 222. [2024-09-17 19:52:31,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 153 states have (on average 1.0130718954248366) internal successors, (155), 151 states have internal predecessors, (155), 47 states have call successors, (47), 30 states have call predecessors, (47), 21 states have return successors, (78), 40 states have call predecessors, (78), 47 states have call successors, (78) [2024-09-17 19:52:31,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 280 transitions. [2024-09-17 19:52:31,176 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 280 transitions. Word has length 813 [2024-09-17 19:52:31,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:31,177 INFO L474 AbstractCegarLoop]: Abstraction has 222 states and 280 transitions. [2024-09-17 19:52:31,177 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.3777777777777778) internal successors, (107), 46 states have internal predecessors, (107), 34 states have call successors, (38), 1 states have call predecessors, (38), 19 states have return successors, (59), 33 states have call predecessors, (59), 34 states have call successors, (59) [2024-09-17 19:52:31,177 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 280 transitions. [2024-09-17 19:52:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2024-09-17 19:52:31,180 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:31,180 INFO L216 NwaCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1] [2024-09-17 19:52:31,196 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-17 19:52:31,385 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:31,386 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:31,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:31,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1051889360, now seen corresponding path program 8 times [2024-09-17 19:52:31,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:31,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307153420] [2024-09-17 19:52:31,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:31,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:37,127 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-17 19:52:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:39,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,503 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,671 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,764 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,830 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,888 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,955 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,977 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:41,992 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,002 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,014 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,043 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,076 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,088 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-17 19:52:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,172 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,199 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,213 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,223 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,226 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,231 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,234 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,248 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,276 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,280 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,283 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-17 19:52:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,431 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,497 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,536 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,551 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,561 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,568 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,573 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,582 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,592 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,598 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,606 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,622 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,638 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,642 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,645 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,648 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,699 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,709 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,712 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,716 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,719 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,731 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:42,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-17 19:52:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,342 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,375 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,391 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,403 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,412 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,425 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,428 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,431 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,447 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,456 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,460 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,466 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,470 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,500 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,514 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,524 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,534 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,538 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,548 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,552 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,556 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-17 19:52:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,618 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,647 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,661 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,671 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,682 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,692 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,696 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,699 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,714 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,723 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,727 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,731 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-17 19:52:43,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:43,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307153420] [2024-09-17 19:52:43,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307153420] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:52:43,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049792974] [2024-09-17 19:52:43,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-17 19:52:43,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:43,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:52:43,740 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) [2024-09-17 19:52:43,744 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-17 19:52:44,014 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-17 19:52:44,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-17 19:52:44,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 1675 conjuncts, 439 conjuncts are in the unsatisfiable core [2024-09-17 19:52:44,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:52:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-17 19:52:44,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:52:47,955 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-17 19:52:47,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049792974] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:52:47,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:52:47,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2024-09-17 19:52:47,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136558456] [2024-09-17 19:52:47,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:52:47,957 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-17 19:52:47,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:47,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-17 19:52:47,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-09-17 19:52:47,958 INFO L87 Difference]: Start difference. First operand 222 states and 280 transitions. Second operand has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 19 states have internal predecessors, (41), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) [2024-09-17 19:52:48,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:48,332 INFO L93 Difference]: Finished difference Result 247 states and 315 transitions. [2024-09-17 19:52:48,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-17 19:52:48,333 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 19 states have internal predecessors, (41), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) Word has length 745 [2024-09-17 19:52:48,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:48,335 INFO L225 Difference]: With dead ends: 247 [2024-09-17 19:52:48,335 INFO L226 Difference]: Without dead ends: 235 [2024-09-17 19:52:48,335 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1927 GetRequests, 1893 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-09-17 19:52:48,336 INFO L434 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:48,336 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 714 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1100 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-17 19:52:48,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-09-17 19:52:48,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 220. [2024-09-17 19:52:48,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 152 states have (on average 1.013157894736842) internal successors, (154), 150 states have internal predecessors, (154), 46 states have call successors, (46), 30 states have call predecessors, (46), 21 states have return successors, (74), 39 states have call predecessors, (74), 46 states have call successors, (74) [2024-09-17 19:52:48,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 274 transitions. [2024-09-17 19:52:48,341 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 274 transitions. Word has length 745 [2024-09-17 19:52:48,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:48,342 INFO L474 AbstractCegarLoop]: Abstraction has 220 states and 274 transitions. [2024-09-17 19:52:48,342 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 19 states have internal predecessors, (41), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) [2024-09-17 19:52:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 274 transitions. [2024-09-17 19:52:48,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 923 [2024-09-17 19:52:48,346 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:52:48,346 INFO L216 NwaCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1] [2024-09-17 19:52:48,367 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-17 19:52:48,550 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-09-17 19:52:48,551 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:52:48,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:52:48,551 INFO L85 PathProgramCache]: Analyzing trace with hash -242319763, now seen corresponding path program 9 times [2024-09-17 19:52:48,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:52:48,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084342251] [2024-09-17 19:52:48,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:52:48,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:52:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:49,293 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-17 19:52:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:50,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:50,656 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:50,862 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:50,977 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,131 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,160 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,203 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,205 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,216 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,220 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,266 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,266 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,274 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,278 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,279 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,279 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,280 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,282 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,283 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-17 19:52:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,296 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,300 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,303 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,305 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,305 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,306 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,307 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,309 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,309 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,310 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,313 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,315 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,316 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,317 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,318 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-17 19:52:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,338 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,345 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,349 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,351 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,353 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,354 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,354 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,355 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,357 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,358 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,361 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,363 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,365 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,369 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,371 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,373 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,377 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-17 19:52:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,494 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,533 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,565 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,595 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,609 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,611 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,612 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,616 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,617 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,617 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,622 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,626 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,627 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,628 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,636 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,639 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,641 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,642 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,642 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,643 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,645 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,646 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,647 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2024-09-17 19:52:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,673 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,685 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,692 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,700 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,702 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,703 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,704 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,705 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,708 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,711 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,713 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,714 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-17 19:52:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,720 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,723 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,725 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,726 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,727 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,729 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,731 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-17 19:52:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,742 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,747 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,748 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,749 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,749 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-17 19:52:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,751 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,753 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-17 19:52:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,755 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-17 19:52:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-17 19:52:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,758 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:52:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:52:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3247 proven. 6576 refuted. 0 times theorem prover too weak. 41087 trivial. 0 not checked. [2024-09-17 19:52:51,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:52:51,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084342251] [2024-09-17 19:52:51,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084342251] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:52:51,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161054395] [2024-09-17 19:52:51,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-17 19:52:51,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:52:51,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:52:51,762 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) [2024-09-17 19:52:51,763 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-17 19:52:51,987 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2024-09-17 19:52:51,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-17 19:52:51,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-17 19:52:51,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:52:52,118 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1209 proven. 5377 refuted. 0 times theorem prover too weak. 44324 trivial. 0 not checked. [2024-09-17 19:52:52,118 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:52:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1201 proven. 5477 refuted. 0 times theorem prover too weak. 44232 trivial. 0 not checked. [2024-09-17 19:52:56,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161054395] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:52:56,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:52:56,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 14, 22] total 45 [2024-09-17 19:52:56,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617875136] [2024-09-17 19:52:56,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:52:56,274 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-09-17 19:52:56,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:52:56,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-09-17 19:52:56,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=1517, Unknown=0, NotChecked=0, Total=1980 [2024-09-17 19:52:56,275 INFO L87 Difference]: Start difference. First operand 220 states and 274 transitions. Second operand has 45 states, 44 states have (on average 2.3636363636363638) internal successors, (104), 45 states have internal predecessors, (104), 35 states have call successors, (38), 1 states have call predecessors, (38), 17 states have return successors, (58), 29 states have call predecessors, (58), 35 states have call successors, (58) [2024-09-17 19:52:56,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:52:56,665 INFO L93 Difference]: Finished difference Result 221 states and 269 transitions. [2024-09-17 19:52:56,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-17 19:52:56,666 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 2.3636363636363638) internal successors, (104), 45 states have internal predecessors, (104), 35 states have call successors, (38), 1 states have call predecessors, (38), 17 states have return successors, (58), 29 states have call predecessors, (58), 35 states have call successors, (58) Word has length 922 [2024-09-17 19:52:56,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:52:56,666 INFO L225 Difference]: With dead ends: 221 [2024-09-17 19:52:56,666 INFO L226 Difference]: Without dead ends: 0 [2024-09-17 19:52:56,667 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2155 GetRequests, 2090 SyntacticMatches, 10 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1305 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=757, Invalid=2435, Unknown=0, NotChecked=0, Total=3192 [2024-09-17 19:52:56,668 INFO L434 NwaCegarLoop]: 36 mSDtfsCounter, 128 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-17 19:52:56,668 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 132 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-17 19:52:56,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-17 19:52:56,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-17 19:52:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-17 19:52:56,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-17 19:52:56,668 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 922 [2024-09-17 19:52:56,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:52:56,668 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-17 19:52:56,669 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 2.3636363636363638) internal successors, (104), 45 states have internal predecessors, (104), 35 states have call successors, (38), 1 states have call predecessors, (38), 17 states have return successors, (58), 29 states have call predecessors, (58), 35 states have call successors, (58) [2024-09-17 19:52:56,669 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-17 19:52:56,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-17 19:52:56,671 INFO L785 garLoopResultBuilder]: Registering result SAFE for location fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION (1 of 2 remaining) [2024-09-17 19:52:56,671 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-09-17 19:52:56,686 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-17 19:52:56,875 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-17 19:52:56,878 INFO L408 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1, 1, 1] [2024-09-17 19:52:56,880 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-17 19:52:56,882 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.09 07:52:56 BoogieIcfgContainer [2024-09-17 19:52:56,882 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-17 19:52:56,882 INFO L158 Benchmark]: Toolchain (without parser) took 51130.85ms. Allocated memory was 176.2MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 145.7MB in the beginning and 811.2MB in the end (delta: -665.6MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-09-17 19:52:56,882 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:52:56,882 INFO L158 Benchmark]: Witness Parser took 0.88ms. Allocated memory is still 176.2MB. Free memory was 147.6MB in the beginning and 147.6MB in the end (delta: 35.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:52:56,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.24ms. Allocated memory is still 176.2MB. Free memory was 145.4MB in the beginning and 136.8MB in the end (delta: 8.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-09-17 19:52:56,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.57ms. Allocated memory is still 176.2MB. Free memory was 136.8MB in the beginning and 135.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:52:56,883 INFO L158 Benchmark]: Boogie Preprocessor took 48.59ms. Allocated memory is still 176.2MB. Free memory was 134.7MB in the beginning and 133.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:52:56,883 INFO L158 Benchmark]: RCFGBuilder took 210.29ms. Allocated memory is still 176.2MB. Free memory was 133.4MB in the beginning and 122.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-17 19:52:56,883 INFO L158 Benchmark]: TraceAbstraction took 50581.33ms. Allocated memory was 176.2MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 122.2MB in the beginning and 811.2MB in the end (delta: -689.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-09-17 19:52:56,884 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.88ms. Allocated memory is still 176.2MB. Free memory was 147.6MB in the beginning and 147.6MB in the end (delta: 35.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.24ms. Allocated memory is still 176.2MB. Free memory was 145.4MB in the beginning and 136.8MB in the end (delta: 8.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.57ms. Allocated memory is still 176.2MB. Free memory was 136.8MB in the beginning and 135.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.59ms. Allocated memory is still 176.2MB. Free memory was 134.7MB in the beginning and 133.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 210.29ms. Allocated memory is still 176.2MB. Free memory was 133.4MB in the beginning and 122.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 50581.33ms. Allocated memory was 176.2MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 122.2MB in the beginning and 811.2MB in the end (delta: -689.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 16]: procedure postcondition always holds For all program executions holds that procedure postcondition always holds at this location - PositiveResult [Line: 33]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 50.5s, OverallIterations: 14, TraceHistogramMax: 135, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.1s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1040 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 994 mSDsluCounter, 1745 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1473 mSDsCounter, 850 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4836 IncrementalHoareTripleChecker+Invalid, 5686 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 850 mSolverCounterUnsat, 272 mSDtfsCounter, 4836 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9177 GetRequests, 8714 SyntacticMatches, 59 SemanticMatches, 404 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6872 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=511occurred in iteration=11, InterpolantAutomatonStates: 279, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 192 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 42.5s InterpolantComputationTime, 7613 NumberOfCodeBlocks, 6592 NumberOfCodeBlocksAsserted, 139 NumberOfCheckSat, 11365 ConstructedInterpolants, 0 QuantifiedInterpolants, 17942 SizeOfPredicates, 48 NumberOfNonLiveVariables, 6285 ConjunctsInSsa, 569 ConjunctsInUnsatCore, 34 InterpolantComputations, 4 PerfectInterpolantSequences, 371543/442892 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-17 19:52:56,922 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE