./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 04d6fb36 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-04d6fb3-m [2024-09-15 20:24:33,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:24:33,210 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-15 20:24:33,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:24:33,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:24:33,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:24:33,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:24:33,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:24:33,243 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:24:33,246 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:24:33,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:24:33,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:24:33,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:24:33,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:24:33,247 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:24:33,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:24:33,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:24:33,248 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:24:33,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:24:33,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:24:33,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:24:33,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:24:33,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:24:33,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:24:33,250 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:24:33,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:24:33,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:24:33,251 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:24:33,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:24:33,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:24:33,253 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:24:33,253 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:24:33,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:24:33,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:24:33,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:24:33,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:24:33,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:24:33,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:24:33,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:24:33,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:24:33,255 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:24:33,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:24:33,256 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:24:33,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:24:33,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:24:33,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:24:33,526 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:24:33,526 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:24:33,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-15 20:24:34,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:24:35,231 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:24:35,231 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-15 20:24:35,243 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/0d2505724/f083c23822414505a247da246bd88201/FLAG7f08fadd4 [2024-09-15 20:24:35,549 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/0d2505724/f083c23822414505a247da246bd88201 [2024-09-15 20:24:35,554 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:24:35,555 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:24:35,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/Fibonacci02.yml/witness-2.1.yml [2024-09-15 20:24:35,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:24:35,629 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-15 20:24:35,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:24:35,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:24:35,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:24:35,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:24:35" (1/2) ... [2024-09-15 20:24:35,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67367206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:24:35, skipping insertion in model container [2024-09-15 20:24:35,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:24:35" (1/2) ... [2024-09-15 20:24:35,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3430e5fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:24:35, skipping insertion in model container [2024-09-15 20:24:35,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:24:35" (2/2) ... [2024-09-15 20:24:35,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67367206 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:24:35, skipping insertion in model container [2024-09-15 20:24:35,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:24:35" (2/2) ... [2024-09-15 20:24:35,660 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:24:35,666 INFO L1541 ArrayList]: Function contract at [L16]: requires null, ensures ((\result == 0) || (0 < \old(n))) [2024-09-15 20:24:35,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:24:35,794 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] [2024-09-15 20:24:35,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:24:35,813 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-15 20:24:35,843 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] [2024-09-15 20:24:35,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:24:35,857 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:24:35,857 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:24:35 WrapperNode [2024-09-15 20:24:35,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:24:35,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-15 20:24:35,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-15 20:24:35,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-15 20:24:35,864 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 15.09 08:24:35" (1/1) ... [2024-09-15 20:24:35,869 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 15.09 08:24:35" (1/1) ... [2024-09-15 20:24:35,880 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-09-15 20:24:35,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-15 20:24:35,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:24:35,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:24:35,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:24:35,889 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 15.09 08:24:35" (1/1) ... [2024-09-15 20:24:35,890 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 15.09 08:24:35" (1/1) ... [2024-09-15 20:24:35,891 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 15.09 08:24:35" (1/1) ... [2024-09-15 20:24:35,896 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 [2024-09-15 20:24:35,896 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 15.09 08:24:35" (1/1) ... [2024-09-15 20:24:35,897 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 15.09 08:24:35" (1/1) ... [2024-09-15 20:24:35,903 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 15.09 08:24:35" (1/1) ... [2024-09-15 20:24:35,904 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 15.09 08:24:35" (1/1) ... [2024-09-15 20:24:35,904 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 15.09 08:24:35" (1/1) ... [2024-09-15 20:24:35,905 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 15.09 08:24:35" (1/1) ... [2024-09-15 20:24:35,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:24:35,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:24:35,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:24:35,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:24:35,908 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 15.09 08:24:35" (1/1) ... [2024-09-15 20:24:35,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:24:35,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 20:24:35,937 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) [2024-09-15 20:24:35,948 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 [2024-09-15 20:24:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-09-15 20:24:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-09-15 20:24:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:24:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:24:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:24:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:24:36,031 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:24:36,033 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:24:36,126 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-09-15 20:24:36,127 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:24:36,148 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:24:36,152 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-15 20:24:36,153 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:24:36 BoogieIcfgContainer [2024-09-15 20:24:36,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:24:36,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-15 20:24:36,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-15 20:24:36,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-15 20:24:36,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 08:24:35" (1/4) ... [2024-09-15 20:24:36,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177c187e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:24:36, skipping insertion in model container [2024-09-15 20:24:36,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:24:35" (2/4) ... [2024-09-15 20:24:36,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177c187e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 15.09 08:24:36, skipping insertion in model container [2024-09-15 20:24:36,162 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 15.09 08:24:35" (3/4) ... [2024-09-15 20:24:36,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177c187e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 15.09 08:24:36, skipping insertion in model container [2024-09-15 20:24:36,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:24:36" (4/4) ... [2024-09-15 20:24:36,165 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2024-09-15 20:24:36,180 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-15 20:24:36,181 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-15 20:24:36,229 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-15 20:24:36,237 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;@6a59456d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-15 20:24:36,237 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-15 20:24:36,241 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) [2024-09-15 20:24:36,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-09-15 20:24:36,247 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:24:36,247 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-09-15 20:24:36,248 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:24:36,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:24:36,252 INFO L85 PathProgramCache]: Analyzing trace with hash 63842220, now seen corresponding path program 1 times [2024-09-15 20:24:36,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:24:36,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434057309] [2024-09-15 20:24:36,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:36,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:24:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:36,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 20:24:36,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:24:36,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434057309] [2024-09-15 20:24:36,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434057309] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-15 20:24:36,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-15 20:24:36,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-15 20:24:36,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766989562] [2024-09-15 20:24:36,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-15 20:24:36,403 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-15 20:24:36,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:24:36,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-15 20:24:36,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-15 20:24:36,445 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) [2024-09-15 20:24:36,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:24:36,473 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2024-09-15 20:24:36,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-15 20:24:36,476 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 [2024-09-15 20:24:36,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:24:36,482 INFO L225 Difference]: With dead ends: 20 [2024-09-15 20:24:36,482 INFO L226 Difference]: Without dead ends: 18 [2024-09-15 20:24:36,484 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 [2024-09-15 20:24:36,487 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 [2024-09-15 20:24:36,487 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] [2024-09-15 20:24:36,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-09-15 20:24:36,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2024-09-15 20:24:36,515 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) [2024-09-15 20:24:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2024-09-15 20:24:36,517 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 5 [2024-09-15 20:24:36,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:24:36,518 INFO L474 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-09-15 20:24:36,518 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) [2024-09-15 20:24:36,518 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-09-15 20:24:36,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-09-15 20:24:36,519 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:24:36,519 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-09-15 20:24:36,520 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-15 20:24:36,520 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:24:36,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:24:36,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1979109578, now seen corresponding path program 1 times [2024-09-15 20:24:36,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:24:36,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332117698] [2024-09-15 20:24:36,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:36,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:24:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:36,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 20:24:36,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:24:36,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332117698] [2024-09-15 20:24:36,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332117698] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-15 20:24:36,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-15 20:24:36,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-15 20:24:36,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778588038] [2024-09-15 20:24:36,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-15 20:24:36,564 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-15 20:24:36,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:24:36,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-15 20:24:36,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-15 20:24:36,565 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) [2024-09-15 20:24:36,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:24:36,591 INFO L93 Difference]: Finished difference Result 27 states and 33 transitions. [2024-09-15 20:24:36,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-15 20:24:36,592 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 [2024-09-15 20:24:36,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:24:36,596 INFO L225 Difference]: With dead ends: 27 [2024-09-15 20:24:36,596 INFO L226 Difference]: Without dead ends: 27 [2024-09-15 20:24:36,596 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 [2024-09-15 20:24:36,597 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 [2024-09-15 20:24:36,598 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] [2024-09-15 20:24:36,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-09-15 20:24:36,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2024-09-15 20:24:36,606 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) [2024-09-15 20:24:36,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2024-09-15 20:24:36,610 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 6 [2024-09-15 20:24:36,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:24:36,610 INFO L474 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2024-09-15 20:24:36,611 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) [2024-09-15 20:24:36,611 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-09-15 20:24:36,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-09-15 20:24:36,611 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:24:36,612 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-15 20:24:36,612 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-15 20:24:36,612 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:24:36,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:24:36,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1680014884, now seen corresponding path program 1 times [2024-09-15 20:24:36,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:24:36,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052572052] [2024-09-15 20:24:36,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:36,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:24:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:36,689 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-15 20:24:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 20:24:36,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:24:36,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052572052] [2024-09-15 20:24:36,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052572052] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-15 20:24:36,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-15 20:24:36,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-15 20:24:36,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436276223] [2024-09-15 20:24:36,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-15 20:24:36,725 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-15 20:24:36,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:24:36,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-15 20:24:36,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-15 20:24:36,727 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) [2024-09-15 20:24:36,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:24:36,788 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2024-09-15 20:24:36,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-15 20:24:36,788 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 [2024-09-15 20:24:36,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:24:36,789 INFO L225 Difference]: With dead ends: 34 [2024-09-15 20:24:36,789 INFO L226 Difference]: Without dead ends: 32 [2024-09-15 20:24:36,789 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 [2024-09-15 20:24:36,790 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, 0.0s IncrementalHoareTripleChecker+Time [2024-09-15 20:24:36,791 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 26 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-15 20:24:36,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-09-15 20:24:36,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2024-09-15 20:24:36,805 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) [2024-09-15 20:24:36,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2024-09-15 20:24:36,806 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 9 [2024-09-15 20:24:36,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:24:36,806 INFO L474 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-09-15 20:24:36,806 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) [2024-09-15 20:24:36,806 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-09-15 20:24:36,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-09-15 20:24:36,807 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:24:36,807 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-09-15 20:24:36,807 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-15 20:24:36,808 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:24:36,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:24:36,808 INFO L85 PathProgramCache]: Analyzing trace with hash 198300645, now seen corresponding path program 1 times [2024-09-15 20:24:36,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:24:36,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038845406] [2024-09-15 20:24:36,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:24:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:36,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 20:24:36,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:24:36,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038845406] [2024-09-15 20:24:36,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038845406] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-15 20:24:36,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822065050] [2024-09-15 20:24:36,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:36,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 20:24:36,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 20:24:36,902 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) [2024-09-15 20:24:36,904 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-15 20:24:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:36,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-15 20:24:36,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 20:24:37,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 20:24:37,040 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 20:24:37,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 20:24:37,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822065050] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-15 20:24:37,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-15 20:24:37,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-09-15 20:24:37,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397726268] [2024-09-15 20:24:37,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-15 20:24:37,095 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-15 20:24:37,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:24:37,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-15 20:24:37,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-09-15 20:24:37,098 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) [2024-09-15 20:24:37,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:24:37,260 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2024-09-15 20:24:37,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-15 20:24:37,261 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 [2024-09-15 20:24:37,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:24:37,262 INFO L225 Difference]: With dead ends: 58 [2024-09-15 20:24:37,262 INFO L226 Difference]: Without dead ends: 58 [2024-09-15 20:24:37,265 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 [2024-09-15 20:24:37,266 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 [2024-09-15 20:24:37,266 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] [2024-09-15 20:24:37,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-09-15 20:24:37,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53. [2024-09-15 20:24:37,275 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) [2024-09-15 20:24:37,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2024-09-15 20:24:37,276 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 10 [2024-09-15 20:24:37,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:24:37,280 INFO L474 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2024-09-15 20:24:37,280 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) [2024-09-15 20:24:37,281 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2024-09-15 20:24:37,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-09-15 20:24:37,281 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:24:37,281 INFO L216 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-09-15 20:24:37,306 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-15 20:24:37,482 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 [2024-09-15 20:24:37,483 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:24:37,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:24:37,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1422833789, now seen corresponding path program 1 times [2024-09-15 20:24:37,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:24:37,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012478567] [2024-09-15 20:24:37,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:37,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:24:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:37,555 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-09-15 20:24:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-09-15 20:24:37,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:24:37,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012478567] [2024-09-15 20:24:37,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012478567] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-15 20:24:37,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-15 20:24:37,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-15 20:24:37,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386945695] [2024-09-15 20:24:37,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-15 20:24:37,565 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-15 20:24:37,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:24:37,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-15 20:24:37,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-15 20:24:37,570 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) [2024-09-15 20:24:37,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:24:37,612 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2024-09-15 20:24:37,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-15 20:24:37,613 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 [2024-09-15 20:24:37,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:24:37,614 INFO L225 Difference]: With dead ends: 57 [2024-09-15 20:24:37,614 INFO L226 Difference]: Without dead ends: 57 [2024-09-15 20:24:37,614 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 [2024-09-15 20:24:37,615 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 [2024-09-15 20:24:37,615 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] [2024-09-15 20:24:37,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-09-15 20:24:37,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 51. [2024-09-15 20:24:37,620 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) [2024-09-15 20:24:37,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2024-09-15 20:24:37,621 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 21 [2024-09-15 20:24:37,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:24:37,621 INFO L474 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2024-09-15 20:24:37,622 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) [2024-09-15 20:24:37,622 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2024-09-15 20:24:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-09-15 20:24:37,623 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:24:37,623 INFO L216 NwaCegarLoop]: trace histogram [7, 7, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2024-09-15 20:24:37,623 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-15 20:24:37,624 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:24:37,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:24:37,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1855040273, now seen corresponding path program 1 times [2024-09-15 20:24:37,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:24:37,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764356259] [2024-09-15 20:24:37,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:37,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:24:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:37,710 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-15 20:24:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:37,761 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:37,818 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:37,834 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:37,838 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:37,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:37,889 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:37,896 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 34 proven. 34 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-09-15 20:24:37,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:24:37,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764356259] [2024-09-15 20:24:37,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764356259] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-15 20:24:37,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234738133] [2024-09-15 20:24:37,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:37,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 20:24:37,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 20:24:37,902 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) [2024-09-15 20:24:37,903 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-15 20:24:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:37,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-15 20:24:37,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 20:24:38,042 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 11 proven. 48 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-09-15 20:24:38,042 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 20:24:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 11 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-09-15 20:24:38,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234738133] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-15 20:24:38,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-15 20:24:38,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2024-09-15 20:24:38,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655845593] [2024-09-15 20:24:38,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-15 20:24:38,435 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-15 20:24:38,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:24:38,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-15 20:24:38,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-09-15 20:24:38,436 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) [2024-09-15 20:24:38,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:24:38,573 INFO L93 Difference]: Finished difference Result 103 states and 137 transitions. [2024-09-15 20:24:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-15 20:24:38,574 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 [2024-09-15 20:24:38,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:24:38,576 INFO L225 Difference]: With dead ends: 103 [2024-09-15 20:24:38,576 INFO L226 Difference]: Without dead ends: 93 [2024-09-15 20:24:38,577 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 104 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2024-09-15 20:24:38,577 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 [2024-09-15 20:24:38,578 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] [2024-09-15 20:24:38,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-09-15 20:24:38,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 71. [2024-09-15 20:24:38,586 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) [2024-09-15 20:24:38,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2024-09-15 20:24:38,587 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 50 [2024-09-15 20:24:38,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:24:38,587 INFO L474 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2024-09-15 20:24:38,587 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) [2024-09-15 20:24:38,588 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2024-09-15 20:24:38,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-09-15 20:24:38,589 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:24:38,589 INFO L216 NwaCegarLoop]: trace histogram [9, 9, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1] [2024-09-15 20:24:38,602 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-15 20:24:38,790 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 [2024-09-15 20:24:38,790 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:24:38,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:24:38,791 INFO L85 PathProgramCache]: Analyzing trace with hash 25607238, now seen corresponding path program 2 times [2024-09-15 20:24:38,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:24:38,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208026777] [2024-09-15 20:24:38,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:38,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:24:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:38,903 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-15 20:24:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:39,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:39,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:39,181 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:39,189 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:39,198 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:39,216 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-09-15 20:24:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:39,226 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:39,231 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:39,237 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 47 proven. 42 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-09-15 20:24:39,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:24:39,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208026777] [2024-09-15 20:24:39,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208026777] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-15 20:24:39,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541384038] [2024-09-15 20:24:39,238 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-15 20:24:39,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 20:24:39,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 20:24:39,240 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) [2024-09-15 20:24:39,243 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-15 20:24:39,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-15 20:24:39,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-15 20:24:39,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-15 20:24:39,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 20:24:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 17 proven. 84 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-09-15 20:24:39,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 20:24:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 17 proven. 99 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-09-15 20:24:39,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541384038] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-15 20:24:39,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-15 20:24:39,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 11] total 19 [2024-09-15 20:24:39,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846878473] [2024-09-15 20:24:39,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-15 20:24:39,853 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-15 20:24:39,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:24:39,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-15 20:24:39,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-09-15 20:24:39,855 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) [2024-09-15 20:24:40,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:24:40,096 INFO L93 Difference]: Finished difference Result 133 states and 183 transitions. [2024-09-15 20:24:40,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-15 20:24:40,100 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 [2024-09-15 20:24:40,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:24:40,102 INFO L225 Difference]: With dead ends: 133 [2024-09-15 20:24:40,102 INFO L226 Difference]: Without dead ends: 114 [2024-09-15 20:24:40,103 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 [2024-09-15 20:24:40,110 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 [2024-09-15 20:24:40,111 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] [2024-09-15 20:24:40,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-09-15 20:24:40,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 96. [2024-09-15 20:24:40,134 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) [2024-09-15 20:24:40,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 130 transitions. [2024-09-15 20:24:40,136 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 130 transitions. Word has length 63 [2024-09-15 20:24:40,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:24:40,136 INFO L474 AbstractCegarLoop]: Abstraction has 96 states and 130 transitions. [2024-09-15 20:24:40,136 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) [2024-09-15 20:24:40,136 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 130 transitions. [2024-09-15 20:24:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-09-15 20:24:40,153 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:24:40,153 INFO L216 NwaCegarLoop]: trace histogram [17, 17, 14, 8, 8, 8, 8, 8, 8, 8, 6, 3, 1, 1, 1, 1, 1, 1] [2024-09-15 20:24:40,166 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-15 20:24:40,353 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 [2024-09-15 20:24:40,355 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:24:40,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:24:40,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1557879296, now seen corresponding path program 3 times [2024-09-15 20:24:40,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:24:40,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595607466] [2024-09-15 20:24:40,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:40,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:24:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:40,639 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-15 20:24:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:40,844 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:40,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,003 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,078 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,116 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,129 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,131 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,173 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,225 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,278 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,283 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,293 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 223 proven. 216 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-09-15 20:24:41,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:24:41,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595607466] [2024-09-15 20:24:41,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595607466] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-15 20:24:41,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401597609] [2024-09-15 20:24:41,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-15 20:24:41,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 20:24:41,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 20:24:41,308 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) [2024-09-15 20:24:41,309 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-15 20:24:41,379 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-09-15 20:24:41,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-15 20:24:41,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-15 20:24:41,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 20:24:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 251 proven. 17 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2024-09-15 20:24:41,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 20:24:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 251 proven. 18 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2024-09-15 20:24:41,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401597609] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-15 20:24:41,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-15 20:24:41,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8, 9] total 24 [2024-09-15 20:24:41,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868468040] [2024-09-15 20:24:41,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-15 20:24:41,920 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-15 20:24:41,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:24:41,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-15 20:24:41,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2024-09-15 20:24:41,921 INFO L87 Difference]: Start difference. First operand 96 states and 130 transitions. Second operand has 24 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 24 states have internal predecessors, (58), 12 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (23), 16 states have call predecessors, (23), 12 states have call successors, (23) [2024-09-15 20:24:42,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:24:42,180 INFO L93 Difference]: Finished difference Result 154 states and 205 transitions. [2024-09-15 20:24:42,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-15 20:24:42,180 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 24 states have internal predecessors, (58), 12 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (23), 16 states have call predecessors, (23), 12 states have call successors, (23) Word has length 119 [2024-09-15 20:24:42,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:24:42,182 INFO L225 Difference]: With dead ends: 154 [2024-09-15 20:24:42,182 INFO L226 Difference]: Without dead ends: 135 [2024-09-15 20:24:42,183 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 263 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=330, Invalid=1002, Unknown=0, NotChecked=0, Total=1332 [2024-09-15 20:24:42,183 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 96 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-15 20:24:42,183 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 69 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-15 20:24:42,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-09-15 20:24:42,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 114. [2024-09-15 20:24:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 75 states have (on average 1.0266666666666666) internal successors, (77), 75 states have internal predecessors, (77), 25 states have call successors, (25), 11 states have call predecessors, (25), 13 states have return successors, (47), 27 states have call predecessors, (47), 25 states have call successors, (47) [2024-09-15 20:24:42,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 149 transitions. [2024-09-15 20:24:42,200 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 149 transitions. Word has length 119 [2024-09-15 20:24:42,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:24:42,202 INFO L474 AbstractCegarLoop]: Abstraction has 114 states and 149 transitions. [2024-09-15 20:24:42,202 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 24 states have internal predecessors, (58), 12 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (23), 16 states have call predecessors, (23), 12 states have call successors, (23) [2024-09-15 20:24:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 149 transitions. [2024-09-15 20:24:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-09-15 20:24:42,207 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:24:42,207 INFO L216 NwaCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1] [2024-09-15 20:24:42,223 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-15 20:24:42,409 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 [2024-09-15 20:24:42,410 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:24:42,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:24:42,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1451312475, now seen corresponding path program 4 times [2024-09-15 20:24:42,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:24:42,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073201633] [2024-09-15 20:24:42,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:42,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:24:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:42,596 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-15 20:24:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:42,763 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:42,832 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:42,891 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:42,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:42,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:42,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:42,976 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:42,980 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:42,986 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:42,988 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:42,990 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:42,997 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,000 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,001 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,002 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:24:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,172 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,219 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,222 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,224 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,226 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,231 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,232 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,233 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,243 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,244 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:43,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 439 proven. 754 refuted. 0 times theorem prover too weak. 1387 trivial. 0 not checked. [2024-09-15 20:24:43,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:24:43,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073201633] [2024-09-15 20:24:43,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073201633] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-15 20:24:43,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646224868] [2024-09-15 20:24:43,247 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-15 20:24:43,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 20:24:43,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 20:24:43,251 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) [2024-09-15 20:24:43,252 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-15 20:24:43,320 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-15 20:24:43,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-15 20:24:43,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-15 20:24:43,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 20:24:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 463 proven. 843 refuted. 0 times theorem prover too weak. 1274 trivial. 0 not checked. [2024-09-15 20:24:43,430 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 20:24:45,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 463 proven. 891 refuted. 0 times theorem prover too weak. 1226 trivial. 0 not checked. [2024-09-15 20:24:45,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646224868] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-15 20:24:45,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-15 20:24:45,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 15, 23] total 36 [2024-09-15 20:24:45,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576328808] [2024-09-15 20:24:45,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-15 20:24:45,218 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-15 20:24:45,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:24:45,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-15 20:24:45,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=957, Unknown=0, NotChecked=0, Total=1260 [2024-09-15 20:24:45,220 INFO L87 Difference]: Start difference. First operand 114 states and 149 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) [2024-09-15 20:24:45,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:24:45,562 INFO L93 Difference]: Finished difference Result 183 states and 245 transitions. [2024-09-15 20:24:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-15 20:24:45,563 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 [2024-09-15 20:24:45,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:24:45,564 INFO L225 Difference]: With dead ends: 183 [2024-09-15 20:24:45,564 INFO L226 Difference]: Without dead ends: 164 [2024-09-15 20:24:45,565 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 [2024-09-15 20:24:45,565 INFO L434 NwaCegarLoop]: 19 mSDtfsCounter, 94 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-15 20:24:45,566 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 104 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-15 20:24:45,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-09-15 20:24:45,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 142. [2024-09-15 20:24:45,577 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) [2024-09-15 20:24:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 184 transitions. [2024-09-15 20:24:45,578 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 184 transitions. Word has length 214 [2024-09-15 20:24:45,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:24:45,578 INFO L474 AbstractCegarLoop]: Abstraction has 142 states and 184 transitions. [2024-09-15 20:24:45,578 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) [2024-09-15 20:24:45,578 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 184 transitions. [2024-09-15 20:24:45,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2024-09-15 20:24:45,585 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:24:45,585 INFO L216 NwaCegarLoop]: trace histogram [61, 61, 49, 30, 30, 30, 30, 30, 30, 30, 19, 12, 1, 1, 1, 1, 1, 1] [2024-09-15 20:24:45,598 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-15 20:24:45,789 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 [2024-09-15 20:24:45,790 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:24:45,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:24:45,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1599019760, now seen corresponding path program 5 times [2024-09-15 20:24:45,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:24:45,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594487993] [2024-09-15 20:24:45,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:45,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:24:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:46,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-15 20:24:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:46,819 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:46,913 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:46,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,001 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,064 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,066 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,068 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,073 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,080 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,082 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,083 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,084 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:24:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,118 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-15 20:24:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,236 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,244 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,255 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,257 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,261 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,266 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,268 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,272 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,275 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,276 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,278 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:24:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,284 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,288 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,291 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,293 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,295 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,296 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,298 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,316 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,318 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-15 20:24:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,367 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,466 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,469 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,472 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,475 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,487 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,489 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10236 backedges. 1279 proven. 1772 refuted. 0 times theorem prover too weak. 7185 trivial. 0 not checked. [2024-09-15 20:24:47,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:24:47,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594487993] [2024-09-15 20:24:47,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594487993] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-15 20:24:47,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411389532] [2024-09-15 20:24:47,502 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-15 20:24:47,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 20:24:47,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 20:24:47,507 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) [2024-09-15 20:24:47,519 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-15 20:24:47,687 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 46 check-sat command(s) [2024-09-15 20:24:47,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-15 20:24:47,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-15 20:24:47,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 20:24:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 10236 backedges. 2045 proven. 835 refuted. 0 times theorem prover too weak. 7356 trivial. 0 not checked. [2024-09-15 20:24:47,814 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 20:24:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 10236 backedges. 2045 proven. 877 refuted. 0 times theorem prover too weak. 7314 trivial. 0 not checked. [2024-09-15 20:24:50,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411389532] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-15 20:24:50,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-15 20:24:50,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 14, 21] total 38 [2024-09-15 20:24:50,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295018036] [2024-09-15 20:24:50,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-15 20:24:50,102 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-09-15 20:24:50,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:24:50,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-09-15 20:24:50,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1097, Unknown=0, NotChecked=0, Total=1406 [2024-09-15 20:24:50,104 INFO L87 Difference]: Start difference. First operand 142 states and 184 transitions. Second operand has 38 states, 37 states have (on average 2.6216216216216215) internal successors, (97), 38 states have internal predecessors, (97), 28 states have call successors, (34), 1 states have call predecessors, (34), 14 states have return successors, (49), 25 states have call predecessors, (49), 28 states have call successors, (49) [2024-09-15 20:24:50,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:24:50,515 INFO L93 Difference]: Finished difference Result 219 states and 285 transitions. [2024-09-15 20:24:50,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-15 20:24:50,516 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 2.6216216216216215) internal successors, (97), 38 states have internal predecessors, (97), 28 states have call successors, (34), 1 states have call predecessors, (34), 14 states have return successors, (49), 25 states have call predecessors, (49), 28 states have call successors, (49) Word has length 418 [2024-09-15 20:24:50,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:24:50,519 INFO L225 Difference]: With dead ends: 219 [2024-09-15 20:24:50,519 INFO L226 Difference]: Without dead ends: 200 [2024-09-15 20:24:50,520 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 995 GetRequests, 933 SyntacticMatches, 10 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=686, Invalid=2176, Unknown=0, NotChecked=0, Total=2862 [2024-09-15 20:24:50,521 INFO L434 NwaCegarLoop]: 27 mSDtfsCounter, 123 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-15 20:24:50,521 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 141 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-15 20:24:50,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-09-15 20:24:50,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 165. [2024-09-15 20:24:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 111 states have (on average 1.009009009009009) internal successors, (112), 110 states have internal predecessors, (112), 36 states have call successors, (36), 19 states have call predecessors, (36), 17 states have return successors, (63), 35 states have call predecessors, (63), 36 states have call successors, (63) [2024-09-15 20:24:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 211 transitions. [2024-09-15 20:24:50,533 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 211 transitions. Word has length 418 [2024-09-15 20:24:50,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:24:50,533 INFO L474 AbstractCegarLoop]: Abstraction has 165 states and 211 transitions. [2024-09-15 20:24:50,534 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 2.6216216216216215) internal successors, (97), 38 states have internal predecessors, (97), 28 states have call successors, (34), 1 states have call predecessors, (34), 14 states have return successors, (49), 25 states have call predecessors, (49), 28 states have call successors, (49) [2024-09-15 20:24:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 211 transitions. [2024-09-15 20:24:50,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2024-09-15 20:24:50,544 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:24:50,544 INFO L216 NwaCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1] [2024-09-15 20:24:50,559 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-15 20:24:50,748 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 [2024-09-15 20:24:50,749 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:24:50,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:24:50,750 INFO L85 PathProgramCache]: Analyzing trace with hash -754466991, now seen corresponding path program 6 times [2024-09-15 20:24:50,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:24:50,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238710717] [2024-09-15 20:24:50,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:50,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:24:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,189 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-15 20:24:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,501 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,664 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,741 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,792 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,855 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,884 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,909 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,927 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,943 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:24:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,957 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,960 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,961 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,964 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,964 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-15 20:24:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,980 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,986 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,988 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,990 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,991 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,992 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,993 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,995 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,996 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,997 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:51,999 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,001 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,002 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,003 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,004 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-15 20:24:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,029 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,045 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,049 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,051 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,053 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,055 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,056 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,058 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,061 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,063 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,064 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,065 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,066 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:24:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,071 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,076 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,077 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,078 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,080 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,082 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,083 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:52,087 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2024-09-15 20:24:52,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:24:52,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238710717] [2024-09-15 20:24:52,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238710717] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-15 20:24:52,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344704390] [2024-09-15 20:24:52,088 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-15 20:24:52,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 20:24:52,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 20:24:52,089 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) [2024-09-15 20:24:52,091 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-15 20:24:52,230 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2024-09-15 20:24:52,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-15 20:24:52,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-15 20:24:52,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 20:24:52,304 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 508 proven. 1816 refuted. 0 times theorem prover too weak. 10063 trivial. 0 not checked. [2024-09-15 20:24:52,305 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 20:24:54,225 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 512 proven. 1869 refuted. 0 times theorem prover too weak. 10006 trivial. 0 not checked. [2024-09-15 20:24:54,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344704390] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-15 20:24:54,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-15 20:24:54,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11, 17] total 27 [2024-09-15 20:24:54,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308660700] [2024-09-15 20:24:54,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-15 20:24:54,227 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-15 20:24:54,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:24:54,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-15 20:24:54,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=464, Unknown=0, NotChecked=0, Total=702 [2024-09-15 20:24:54,229 INFO L87 Difference]: Start difference. First operand 165 states and 211 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) [2024-09-15 20:24:54,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:24:54,396 INFO L93 Difference]: Finished difference Result 543 states and 746 transitions. [2024-09-15 20:24:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-15 20:24:54,397 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 [2024-09-15 20:24:54,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:24:54,401 INFO L225 Difference]: With dead ends: 543 [2024-09-15 20:24:54,401 INFO L226 Difference]: Without dead ends: 520 [2024-09-15 20:24:54,401 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 [2024-09-15 20:24:54,401 INFO L434 NwaCegarLoop]: 14 mSDtfsCounter, 122 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-15 20:24:54,402 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 63 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-15 20:24:54,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-09-15 20:24:54,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 502. [2024-09-15 20:24:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 330 states have (on average 1.009090909090909) internal successors, (333), 328 states have internal predecessors, (333), 118 states have call successors, (118), 51 states have call predecessors, (118), 53 states have return successors, (229), 122 states have call predecessors, (229), 118 states have call successors, (229) [2024-09-15 20:24:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 680 transitions. [2024-09-15 20:24:54,424 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 680 transitions. Word has length 459 [2024-09-15 20:24:54,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:24:54,424 INFO L474 AbstractCegarLoop]: Abstraction has 502 states and 680 transitions. [2024-09-15 20:24:54,425 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) [2024-09-15 20:24:54,425 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 680 transitions. [2024-09-15 20:24:54,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 923 [2024-09-15 20:24:54,438 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:24:54,442 INFO L216 NwaCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1] [2024-09-15 20:24:54,469 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-15 20:24:54,643 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 [2024-09-15 20:24:54,644 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:24:54,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:24:54,644 INFO L85 PathProgramCache]: Analyzing trace with hash 362803783, now seen corresponding path program 7 times [2024-09-15 20:24:54,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:24:54,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283236063] [2024-09-15 20:24:54,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:24:54,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:24:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:55,452 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-15 20:24:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:56,451 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:56,703 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:56,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:56,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:56,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:56,981 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,008 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,055 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,056 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,057 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,061 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,063 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,065 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,066 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:24:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,077 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,079 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,080 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,081 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,082 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,087 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-15 20:24:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,101 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,116 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,122 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,124 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,125 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,129 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-15 20:24:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,192 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,199 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,203 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,205 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,214 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,216 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,217 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,218 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,220 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,222 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,223 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,223 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,224 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:24:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,228 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,231 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,234 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,235 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,236 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,237 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,241 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-15 20:24:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,452 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,582 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,700 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,759 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,846 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,905 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,908 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,910 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,913 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,918 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:24:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,953 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,956 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,957 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-15 20:24:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,977 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,984 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,987 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,990 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,991 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,992 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,993 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,995 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,996 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:57,997 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,001 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,003 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,004 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-15 20:24:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,037 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,051 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,057 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,059 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,061 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,063 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,064 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,065 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,066 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:24:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,070 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,071 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,073 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:24:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,078 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,080 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,082 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,082 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,083 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:24:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,084 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:24:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:24:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:24:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,090 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3587 proven. 7095 refuted. 0 times theorem prover too weak. 40228 trivial. 0 not checked. [2024-09-15 20:24:58,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:24:58,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283236063] [2024-09-15 20:24:58,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283236063] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-15 20:24:58,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750732447] [2024-09-15 20:24:58,090 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-15 20:24:58,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 20:24:58,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 20:24:58,092 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) [2024-09-15 20:24:58,093 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-15 20:24:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:24:58,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-15 20:24:58,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 20:24:58,537 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3844 proven. 2510 refuted. 0 times theorem prover too weak. 44556 trivial. 0 not checked. [2024-09-15 20:24:58,540 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 20:25:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3844 proven. 2602 refuted. 0 times theorem prover too weak. 44464 trivial. 0 not checked. [2024-09-15 20:25:02,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750732447] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-15 20:25:02,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-15 20:25:02,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 13, 21] total 47 [2024-09-15 20:25:02,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894172226] [2024-09-15 20:25:02,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-15 20:25:02,838 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-09-15 20:25:02,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:25:02,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-09-15 20:25:02,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=1657, Unknown=0, NotChecked=0, Total=2162 [2024-09-15 20:25:02,840 INFO L87 Difference]: Start difference. First operand 502 states and 680 transitions. Second operand has 47 states, 46 states have (on average 2.3260869565217392) internal successors, (107), 47 states have internal predecessors, (107), 34 states have call successors, (38), 1 states have call predecessors, (38), 19 states have return successors, (59), 34 states have call predecessors, (59), 34 states have call successors, (59) [2024-09-15 20:25:03,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:25:03,510 INFO L93 Difference]: Finished difference Result 320 states and 481 transitions. [2024-09-15 20:25:03,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-15 20:25:03,511 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 2.3260869565217392) internal successors, (107), 47 states have internal predecessors, (107), 34 states have call successors, (38), 1 states have call predecessors, (38), 19 states have return successors, (59), 34 states have call predecessors, (59), 34 states have call successors, (59) Word has length 922 [2024-09-15 20:25:03,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:25:03,513 INFO L225 Difference]: With dead ends: 320 [2024-09-15 20:25:03,513 INFO L226 Difference]: Without dead ends: 244 [2024-09-15 20:25:03,515 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2175 GetRequests, 2091 SyntacticMatches, 10 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2073 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1246, Invalid=4454, Unknown=0, NotChecked=0, Total=5700 [2024-09-15 20:25:03,515 INFO L434 NwaCegarLoop]: 36 mSDtfsCounter, 348 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-15 20:25:03,515 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 162 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-15 20:25:03,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-09-15 20:25:03,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 222. [2024-09-15 20:25:03,525 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) [2024-09-15 20:25:03,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 280 transitions. [2024-09-15 20:25:03,526 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 280 transitions. Word has length 922 [2024-09-15 20:25:03,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:25:03,529 INFO L474 AbstractCegarLoop]: Abstraction has 222 states and 280 transitions. [2024-09-15 20:25:03,529 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 2.3260869565217392) internal successors, (107), 47 states have internal predecessors, (107), 34 states have call successors, (38), 1 states have call predecessors, (38), 19 states have return successors, (59), 34 states have call predecessors, (59), 34 states have call successors, (59) [2024-09-15 20:25:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 280 transitions. [2024-09-15 20:25:03,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2024-09-15 20:25:03,533 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:25:03,533 INFO L216 NwaCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1] [2024-09-15 20:25:03,549 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-15 20:25:03,737 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 [2024-09-15 20:25:03,738 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:25:03,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:25:03,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1051889360, now seen corresponding path program 8 times [2024-09-15 20:25:03,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:25:03,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467914647] [2024-09-15 20:25:03,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:25:03,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:25:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:09,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-15 20:25:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:12,620 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,003 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,473 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,652 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,813 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,874 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,916 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:25:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,988 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:14,999 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,014 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:25:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,056 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,097 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,138 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-15 20:25:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,203 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,233 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,248 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,269 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,273 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,284 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,291 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:25:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,317 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,335 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,342 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,354 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,361 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-15 20:25:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,667 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,794 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,852 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,882 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,906 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,913 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,949 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:25:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,978 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:15,995 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,003 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,021 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:25:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,077 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,133 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,137 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,144 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,162 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,169 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,176 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-15 20:25:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,731 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,791 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,819 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,833 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,842 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,845 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,848 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,851 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,861 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,865 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,868 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:25:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,892 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,896 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,902 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:25:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,966 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,970 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,984 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,987 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:16,990 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-15 20:25:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,055 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,088 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,101 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,116 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,131 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,134 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:25:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,148 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,157 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,160 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,164 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-15 20:25:17,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:25:17,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467914647] [2024-09-15 20:25:17,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467914647] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-15 20:25:17,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124755703] [2024-09-15 20:25:17,169 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-15 20:25:17,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 20:25:17,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 20:25:17,170 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) [2024-09-15 20:25:17,171 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-15 20:25:17,537 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-15 20:25:17,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-15 20:25:17,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 1675 conjuncts, 439 conjuncts are in the unsatisfiable core [2024-09-15 20:25:17,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 20:25:18,102 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-15 20:25:18,102 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 20:25:21,715 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-15 20:25:21,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124755703] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-15 20:25:21,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-15 20:25:21,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2024-09-15 20:25:21,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75028191] [2024-09-15 20:25:21,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-15 20:25:21,718 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-15 20:25:21,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:25:21,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-15 20:25:21,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-09-15 20:25:21,719 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) [2024-09-15 20:25:22,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:25:22,112 INFO L93 Difference]: Finished difference Result 247 states and 315 transitions. [2024-09-15 20:25:22,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-15 20:25:22,112 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 [2024-09-15 20:25:22,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:25:22,118 INFO L225 Difference]: With dead ends: 247 [2024-09-15 20:25:22,121 INFO L226 Difference]: Without dead ends: 235 [2024-09-15 20:25:22,121 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 [2024-09-15 20:25:22,122 INFO L434 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-15 20:25:22,122 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 697 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-15 20:25:22,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-09-15 20:25:22,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 220. [2024-09-15 20:25:22,136 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) [2024-09-15 20:25:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 274 transitions. [2024-09-15 20:25:22,138 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 274 transitions. Word has length 745 [2024-09-15 20:25:22,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:25:22,138 INFO L474 AbstractCegarLoop]: Abstraction has 220 states and 274 transitions. [2024-09-15 20:25:22,139 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) [2024-09-15 20:25:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 274 transitions. [2024-09-15 20:25:22,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 923 [2024-09-15 20:25:22,157 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 20:25:22,157 INFO L216 NwaCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1] [2024-09-15 20:25:22,187 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-15 20:25:22,361 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 [2024-09-15 20:25:22,362 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 20:25:22,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 20:25:22,362 INFO L85 PathProgramCache]: Analyzing trace with hash -242319763, now seen corresponding path program 9 times [2024-09-15 20:25:22,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 20:25:22,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944983095] [2024-09-15 20:25:22,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 20:25:22,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 20:25:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:23,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-15 20:25:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:23,984 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:24,474 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:24,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:24,879 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,001 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,055 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,092 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,170 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,172 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,174 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,176 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,180 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,185 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:25:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,192 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,193 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,194 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,195 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,197 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:25:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,205 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,209 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,212 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,214 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,214 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-15 20:25:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,229 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,234 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,237 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,239 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,241 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,247 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:25:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,249 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,253 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-15 20:25:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,278 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,286 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,291 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,294 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,296 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,297 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,298 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,299 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,300 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,301 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,302 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:25:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,306 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,307 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,312 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,313 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:25:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,317 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,320 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,322 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,322 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,323 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,324 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,326 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,326 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,327 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-15 20:25:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,478 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,516 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,549 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,581 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,594 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,596 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,598 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,601 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,601 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,602 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:25:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,606 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,609 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:25:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,619 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,621 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,623 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,623 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,624 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,626 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,627 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,628 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2024-09-15 20:25:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,653 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,676 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,682 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,684 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,684 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,685 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:25:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,687 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,689 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,689 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,690 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,691 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-15 20:25:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,695 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,698 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,699 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,700 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,701 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,702 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,703 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,704 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-15 20:25:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,710 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,718 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,720 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,721 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,721 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,722 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-15 20:25:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,724 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,724 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,725 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-15 20:25:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,727 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,729 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-15 20:25:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-15 20:25:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 20:25:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 20:25:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3247 proven. 6576 refuted. 0 times theorem prover too weak. 41087 trivial. 0 not checked. [2024-09-15 20:25:25,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 20:25:25,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944983095] [2024-09-15 20:25:25,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944983095] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-15 20:25:25,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974542635] [2024-09-15 20:25:25,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-15 20:25:25,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 20:25:25,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 20:25:25,735 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) [2024-09-15 20:25:25,737 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-15 20:25:25,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2024-09-15 20:25:25,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-15 20:25:25,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-15 20:25:25,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 20:25:26,140 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1209 proven. 5377 refuted. 0 times theorem prover too weak. 44324 trivial. 0 not checked. [2024-09-15 20:25:26,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 20:25:30,647 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1201 proven. 5477 refuted. 0 times theorem prover too weak. 44232 trivial. 0 not checked. [2024-09-15 20:25:30,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974542635] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-15 20:25:30,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-15 20:25:30,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 14, 22] total 45 [2024-09-15 20:25:30,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676947022] [2024-09-15 20:25:30,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-15 20:25:30,649 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-09-15 20:25:30,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 20:25:30,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-09-15 20:25:30,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=1517, Unknown=0, NotChecked=0, Total=1980 [2024-09-15 20:25:30,651 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) [2024-09-15 20:25:31,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 20:25:31,078 INFO L93 Difference]: Finished difference Result 221 states and 269 transitions. [2024-09-15 20:25:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-15 20:25:31,078 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 [2024-09-15 20:25:31,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 20:25:31,079 INFO L225 Difference]: With dead ends: 221 [2024-09-15 20:25:31,079 INFO L226 Difference]: Without dead ends: 0 [2024-09-15 20:25:31,080 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2155 GetRequests, 2090 SyntacticMatches, 10 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1305 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=757, Invalid=2435, Unknown=0, NotChecked=0, Total=3192 [2024-09-15 20:25:31,080 INFO L434 NwaCegarLoop]: 36 mSDtfsCounter, 161 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-15 20:25:31,080 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 181 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-15 20:25:31,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-15 20:25:31,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-15 20:25:31,081 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) [2024-09-15 20:25:31,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-15 20:25:31,081 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 922 [2024-09-15 20:25:31,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 20:25:31,081 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-15 20:25:31,081 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) [2024-09-15 20:25:31,082 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-15 20:25:31,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-15 20:25:31,084 INFO L785 garLoopResultBuilder]: Registering result SAFE for location fibonacciErr0ENSURES_VIOLATIONPOST_CONDITION (1 of 2 remaining) [2024-09-15 20:25:31,085 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-09-15 20:25:31,100 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-15 20:25:31,285 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 [2024-09-15 20:25:31,288 INFO L408 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1, 1, 1] [2024-09-15 20:25:31,290 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-15 20:25:31,293 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 08:25:31 BoogieIcfgContainer [2024-09-15 20:25:31,293 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-15 20:25:31,293 INFO L158 Benchmark]: Toolchain (without parser) took 55664.13ms. Allocated memory was 67.1MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 43.8MB in the beginning and 892.1MB in the end (delta: -848.3MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-09-15 20:25:31,293 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory was 27.7MB in the beginning and 27.7MB in the end (delta: 60.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:25:31,294 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 67.1MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:25:31,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.95ms. Allocated memory is still 67.1MB. Free memory was 43.5MB in the beginning and 30.8MB in the end (delta: 12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-15 20:25:31,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.11ms. Allocated memory is still 67.1MB. Free memory was 30.8MB in the beginning and 29.4MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-15 20:25:31,296 INFO L158 Benchmark]: Boogie Preprocessor took 23.70ms. Allocated memory is still 67.1MB. Free memory was 29.4MB in the beginning and 28.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:25:31,296 INFO L158 Benchmark]: RCFGBuilder took 245.93ms. Allocated memory is still 67.1MB. Free memory was 28.0MB in the beginning and 39.0MB in the end (delta: -11.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-15 20:25:31,296 INFO L158 Benchmark]: TraceAbstraction took 55138.09ms. Allocated memory was 67.1MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 38.4MB in the beginning and 892.1MB in the end (delta: -853.7MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-09-15 20:25:31,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory was 27.7MB in the beginning and 27.7MB in the end (delta: 60.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 67.1MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.95ms. Allocated memory is still 67.1MB. Free memory was 43.5MB in the beginning and 30.8MB in the end (delta: 12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.11ms. Allocated memory is still 67.1MB. Free memory was 30.8MB in the beginning and 29.4MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.70ms. Allocated memory is still 67.1MB. Free memory was 29.4MB in the beginning and 28.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 245.93ms. Allocated memory is still 67.1MB. Free memory was 28.0MB in the beginning and 39.0MB in the end (delta: -11.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 55138.09ms. Allocated memory was 67.1MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 38.4MB in the beginning and 892.1MB in the end (delta: -853.7MB). 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: 55.1s, OverallIterations: 14, TraceHistogramMax: 135, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.1s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1145 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1099 mSDsluCounter, 1693 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1421 mSDsCounter, 949 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4534 IncrementalHoareTripleChecker+Invalid, 5483 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 949 mSolverCounterUnsat, 272 mSDtfsCounter, 4534 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9482 GetRequests, 9026 SyntacticMatches, 61 SemanticMatches, 395 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6572 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=502occurred in iteration=11, InterpolantAutomatonStates: 274, 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, 1.0s SatisfiabilityAnalysisTime, 46.9s InterpolantComputationTime, 7885 NumberOfCodeBlocks, 6888 NumberOfCodeBlocksAsserted, 138 NumberOfCheckSat, 11773 ConstructedInterpolants, 0 QuantifiedInterpolants, 18366 SizeOfPredicates, 49 NumberOfNonLiveVariables, 6641 ConjunctsInSsa, 569 ConjunctsInUnsatCore, 34 InterpolantComputations, 4 PerfectInterpolantSequences, 408613/483494 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! [2024-09-15 20:25:31,322 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE