./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/Fibonacci02.c --full-output --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --traceabstraction.encode.modifies.clause.in.ensures.clause.of.contracts true --witnessprinter.yaml.format.version 2.1 --witnessprinter.generate.graphml.witnesses false --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive/Fibonacci02.c -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/certificate-witnesses-artifact/automizer --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --traceabstraction.encode.modifies.clause.in.ensures.clause.of.contracts true --witnessprinter.yaml.format.version 2.1 --witnessprinter.generate.graphml.witnesses false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:23:39,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:23:40,045 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-25 11:23:40,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:23:40,050 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:23:40,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:23:40,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:23:40,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:23:40,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:23:40,082 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:23:40,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:23:40,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:23:40,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:23:40,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:23:40,083 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:23:40,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:23:40,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:23:40,084 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:23:40,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:23:40,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:23:40,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:23:40,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:23:40,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:23:40,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:23:40,087 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:23:40,087 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:23:40,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:23:40,087 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:23:40,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:23:40,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:23:40,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:23:40,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:23:40,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:23:40,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:23:40,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:23:40,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:23:40,089 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:23:40,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:23:40,089 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:23:40,089 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:23:40,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:23:40,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:23:40,092 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/automizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Encode 'modifies' clause in 'ensures' clause of contracts -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-09-25 11:23:40,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:23:40,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:23:40,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:23:40,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:23:40,359 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:23:40,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-25 11:23:41,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:23:41,914 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:23:41,914 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-25 11:23:41,924 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/6fc83d4d0/d295cf1e4db0419a9b6d28e6474697a8/FLAGe577a6665 [2024-09-25 11:23:41,936 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/6fc83d4d0/d295cf1e4db0419a9b6d28e6474697a8 [2024-09-25 11:23:41,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:23:41,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-25 11:23:41,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:23:41,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:23:41,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:23:41,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:23:41" (1/1) ... [2024-09-25 11:23:41,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddc1fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:41, skipping insertion in model container [2024-09-25 11:23:41,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:23:41" (1/1) ... [2024-09-25 11:23:41,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:23:42,086 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] [2024-09-25 11:23:42,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:23:42,103 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 11:23:42,115 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] [2024-09-25 11:23:42,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:23:42,128 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:23:42,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42 WrapperNode [2024-09-25 11:23:42,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:23:42,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-25 11:23:42,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-25 11:23:42,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-25 11:23:42,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42" (1/1) ... [2024-09-25 11:23:42,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42" (1/1) ... [2024-09-25 11:23:42,143 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-25 11:23:42,143 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-25 11:23:42,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:23:42,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:23:42,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:23:42,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42" (1/1) ... [2024-09-25 11:23:42,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42" (1/1) ... [2024-09-25 11:23:42,152 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42" (1/1) ... [2024-09-25 11:23:42,162 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-25 11:23:42,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42" (1/1) ... [2024-09-25 11:23:42,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42" (1/1) ... [2024-09-25 11:23:42,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42" (1/1) ... [2024-09-25 11:23:42,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42" (1/1) ... [2024-09-25 11:23:42,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42" (1/1) ... [2024-09-25 11:23:42,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42" (1/1) ... [2024-09-25 11:23:42,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:23:42,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:23:42,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:23:42,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:23:42,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42" (1/1) ... [2024-09-25 11:23:42,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:23:42,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:23:42,204 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) [2024-09-25 11:23:42,209 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 [2024-09-25 11:23:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-09-25 11:23:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-09-25 11:23:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:23:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:23:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:23:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:23:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:23:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:23:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:23:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 11:23:42,301 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:23:42,302 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:23:42,381 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-09-25 11:23:42,381 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:23:42,404 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:23:42,404 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:23:42,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:23:42 BoogieIcfgContainer [2024-09-25 11:23:42,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:23:42,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-25 11:23:42,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-25 11:23:42,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-25 11:23:42,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:23:41" (1/3) ... [2024-09-25 11:23:42,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a877ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:23:42, skipping insertion in model container [2024-09-25 11:23:42,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:23:42" (2/3) ... [2024-09-25 11:23:42,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a877ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:23:42, skipping insertion in model container [2024-09-25 11:23:42,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:23:42" (3/3) ... [2024-09-25 11:23:42,413 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2024-09-25 11:23:42,425 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-25 11:23:42,425 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-25 11:23:42,496 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-25 11:23:42,504 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@37b70e27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-25 11:23:42,504 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-25 11:23:42,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-09-25 11:23:42,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-09-25 11:23:42,512 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:23:42,512 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 11:23:42,513 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:23:42,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:42,517 INFO L85 PathProgramCache]: Analyzing trace with hash -351828897, now seen corresponding path program 1 times [2024-09-25 11:23:42,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:23:42,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107403988] [2024-09-25 11:23:42,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:23:42,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:23:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:42,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:23:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:42,685 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 11:23:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-25 11:23:42,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:23:42,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107403988] [2024-09-25 11:23:42,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107403988] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-25 11:23:42,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-25 11:23:42,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-25 11:23:42,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746315584] [2024-09-25 11:23:42,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-25 11:23:42,733 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-25 11:23:42,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:23:42,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-25 11:23:42,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-25 11:23:42,750 INFO L87 Difference]: Start difference. First operand has 23 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-25 11:23:42,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:23:42,805 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2024-09-25 11:23:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-25 11:23:42,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2024-09-25 11:23:42,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:23:42,816 INFO L225 Difference]: With dead ends: 35 [2024-09-25 11:23:42,817 INFO L226 Difference]: Without dead ends: 23 [2024-09-25 11:23:42,819 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-25 11:23:42,821 INFO L434 NwaCegarLoop]: 20 mSDtfsCounter, 10 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-25 11:23:42,822 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 60 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-25 11:23:42,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-25 11:23:42,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-09-25 11:23:42,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-09-25 11:23:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-09-25 11:23:42,859 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2024-09-25 11:23:42,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:23:42,859 INFO L474 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-09-25 11:23:42,859 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-25 11:23:42,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:42,863 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-09-25 11:23:42,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-09-25 11:23:42,864 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:23:42,865 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 11:23:42,865 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-25 11:23:42,865 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:23:42,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:42,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1624511627, now seen corresponding path program 1 times [2024-09-25 11:23:42,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:23:42,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932629061] [2024-09-25 11:23:42,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:23:42,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:23:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:42,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:23:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:42,936 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 11:23:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:42,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-25 11:23:42,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:23:42,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932629061] [2024-09-25 11:23:42,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932629061] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-25 11:23:42,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-25 11:23:42,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-25 11:23:42,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448088967] [2024-09-25 11:23:42,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-25 11:23:42,996 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-25 11:23:42,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:23:42,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-25 11:23:42,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-25 11:23:42,996 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-25 11:23:43,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:23:43,053 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-09-25 11:23:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-25 11:23:43,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-09-25 11:23:43,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:23:43,055 INFO L225 Difference]: With dead ends: 27 [2024-09-25 11:23:43,056 INFO L226 Difference]: Without dead ends: 23 [2024-09-25 11:23:43,056 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-25 11:23:43,058 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-25 11:23:43,058 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 42 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-25 11:23:43,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-25 11:23:43,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-09-25 11:23:43,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-09-25 11:23:43,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-09-25 11:23:43,070 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2024-09-25 11:23:43,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:23:43,071 INFO L474 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-09-25 11:23:43,071 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-25 11:23:43,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:43,072 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-09-25 11:23:43,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-09-25 11:23:43,074 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:23:43,074 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 11:23:43,074 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-25 11:23:43,074 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:23:43,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:43,074 INFO L85 PathProgramCache]: Analyzing trace with hash -401354712, now seen corresponding path program 1 times [2024-09-25 11:23:43,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:23:43,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644089420] [2024-09-25 11:23:43,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:23:43,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:23:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:43,125 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:23:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:43,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 11:23:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:43,185 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:43,205 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-09-25 11:23:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-25 11:23:43,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:23:43,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644089420] [2024-09-25 11:23:43,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644089420] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:23:43,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150902265] [2024-09-25 11:23:43,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:23:43,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:23:43,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:23:43,217 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) [2024-09-25 11:23:43,221 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-25 11:23:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:43,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-25 11:23:43,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:23:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-25 11:23:43,378 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:23:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-25 11:23:43,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150902265] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:23:43,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:23:43,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2024-09-25 11:23:43,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338545621] [2024-09-25 11:23:43,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:23:43,557 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-25 11:23:43,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:23:43,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-25 11:23:43,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-09-25 11:23:43,559 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (9), 3 states have call predecessors, (9), 8 states have call successors, (9) [2024-09-25 11:23:43,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:23:43,619 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2024-09-25 11:23:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-25 11:23:43,620 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (9), 3 states have call predecessors, (9), 8 states have call successors, (9) Word has length 26 [2024-09-25 11:23:43,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:23:43,621 INFO L225 Difference]: With dead ends: 38 [2024-09-25 11:23:43,621 INFO L226 Difference]: Without dead ends: 23 [2024-09-25 11:23:43,622 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-09-25 11:23:43,623 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 23 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-25 11:23:43,625 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 45 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-25 11:23:43,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-25 11:23:43,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-09-25 11:23:43,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-09-25 11:23:43,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-09-25 11:23:43,633 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2024-09-25 11:23:43,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:23:43,633 INFO L474 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-09-25 11:23:43,633 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (9), 3 states have call predecessors, (9), 8 states have call successors, (9) [2024-09-25 11:23:43,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:43,635 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-09-25 11:23:43,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-09-25 11:23:43,636 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:23:43,636 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 11:23:43,652 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-25 11:23:43,836 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:23:43,837 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:23:43,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:43,838 INFO L85 PathProgramCache]: Analyzing trace with hash 301246430, now seen corresponding path program 1 times [2024-09-25 11:23:43,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:23:43,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066044332] [2024-09-25 11:23:43,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:23:43,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:23:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:43,921 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:23:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:43,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 11:23:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:43,991 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:44,015 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:44,022 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-25 11:23:44,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:23:44,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066044332] [2024-09-25 11:23:44,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066044332] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:23:44,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968908726] [2024-09-25 11:23:44,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:23:44,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:23:44,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:23:44,028 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) [2024-09-25 11:23:44,036 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-25 11:23:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:44,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-25 11:23:44,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:23:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-25 11:23:44,095 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:23:44,264 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-25 11:23:44,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968908726] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:23:44,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:23:44,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2024-09-25 11:23:44,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23382380] [2024-09-25 11:23:44,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:23:44,265 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-25 11:23:44,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:23:44,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-25 11:23:44,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-09-25 11:23:44,266 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-09-25 11:23:44,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:23:44,372 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2024-09-25 11:23:44,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-25 11:23:44,373 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Word has length 27 [2024-09-25 11:23:44,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:23:44,374 INFO L225 Difference]: With dead ends: 41 [2024-09-25 11:23:44,374 INFO L226 Difference]: Without dead ends: 37 [2024-09-25 11:23:44,374 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-09-25 11:23:44,375 INFO L434 NwaCegarLoop]: 20 mSDtfsCounter, 21 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 11:23:44,375 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 83 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 11:23:44,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-09-25 11:23:44,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-09-25 11:23:44,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 8 states have call successors, (8), 4 states have call predecessors, (8), 6 states have return successors, (17), 8 states have call predecessors, (17), 7 states have call successors, (17) [2024-09-25 11:23:44,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2024-09-25 11:23:44,393 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 27 [2024-09-25 11:23:44,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:23:44,395 INFO L474 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2024-09-25 11:23:44,395 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-09-25 11:23:44,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:44,395 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2024-09-25 11:23:44,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-09-25 11:23:44,396 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:23:44,396 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 11:23:44,412 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-25 11:23:44,597 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:23:44,598 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:23:44,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:44,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1626117641, now seen corresponding path program 2 times [2024-09-25 11:23:44,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:23:44,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207425016] [2024-09-25 11:23:44,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:23:44,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:23:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:44,631 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:23:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:44,633 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 11:23:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:44,653 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:44,699 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:44,704 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:44,710 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:44,720 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-09-25 11:23:44,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:23:44,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207425016] [2024-09-25 11:23:44,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207425016] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:23:44,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038783752] [2024-09-25 11:23:44,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-25 11:23:44,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:23:44,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:23:44,722 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) [2024-09-25 11:23:44,724 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-25 11:23:44,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-25 11:23:44,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:23:44,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-25 11:23:44,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:23:44,835 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-25 11:23:44,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:23:45,127 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-09-25 11:23:45,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038783752] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:23:45,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:23:45,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2024-09-25 11:23:45,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058826925] [2024-09-25 11:23:45,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:23:45,128 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-25 11:23:45,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:23:45,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-25 11:23:45,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-09-25 11:23:45,130 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (14), 7 states have call predecessors, (14), 10 states have call successors, (14) [2024-09-25 11:23:45,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:23:45,273 INFO L93 Difference]: Finished difference Result 72 states and 109 transitions. [2024-09-25 11:23:45,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-25 11:23:45,274 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (14), 7 states have call predecessors, (14), 10 states have call successors, (14) Word has length 40 [2024-09-25 11:23:45,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:23:45,275 INFO L225 Difference]: With dead ends: 72 [2024-09-25 11:23:45,275 INFO L226 Difference]: Without dead ends: 41 [2024-09-25 11:23:45,276 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 84 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2024-09-25 11:23:45,276 INFO L434 NwaCegarLoop]: 18 mSDtfsCounter, 41 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 11:23:45,277 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 91 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 11:23:45,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-09-25 11:23:45,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-09-25 11:23:45,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2024-09-25 11:23:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-09-25 11:23:45,284 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 40 [2024-09-25 11:23:45,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:23:45,284 INFO L474 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-09-25 11:23:45,284 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (14), 7 states have call predecessors, (14), 10 states have call successors, (14) [2024-09-25 11:23:45,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:45,285 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-09-25 11:23:45,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-09-25 11:23:45,286 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:23:45,286 INFO L216 NwaCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 11:23:45,299 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-25 11:23:45,487 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:23:45,488 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:23:45,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:45,488 INFO L85 PathProgramCache]: Analyzing trace with hash -506127720, now seen corresponding path program 3 times [2024-09-25 11:23:45,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:23:45,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028477398] [2024-09-25 11:23:45,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:23:45,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:23:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:45,581 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:23:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:45,583 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 11:23:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:45,692 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:45,735 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:45,776 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:45,787 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:45,789 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:45,792 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:45,800 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:45,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:45,804 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:45,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-09-25 11:23:45,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:23:45,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028477398] [2024-09-25 11:23:45,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028477398] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:23:45,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217951328] [2024-09-25 11:23:45,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-25 11:23:45,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:23:45,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:23:45,809 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) [2024-09-25 11:23:45,810 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-25 11:23:45,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-09-25 11:23:45,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:23:45,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-25 11:23:45,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:23:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 32 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-09-25 11:23:45,891 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:23:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 41 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-09-25 11:23:46,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217951328] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:23:46,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:23:46,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2024-09-25 11:23:46,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696224733] [2024-09-25 11:23:46,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:23:46,189 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-25 11:23:46,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:23:46,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-25 11:23:46,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-09-25 11:23:46,191 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (16), 1 states have call predecessors, (16), 6 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) [2024-09-25 11:23:46,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:23:46,332 INFO L93 Difference]: Finished difference Result 97 states and 143 transitions. [2024-09-25 11:23:46,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-25 11:23:46,332 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), 10 states have call successors, (16), 1 states have call predecessors, (16), 6 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) Word has length 82 [2024-09-25 11:23:46,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:23:46,335 INFO L225 Difference]: With dead ends: 97 [2024-09-25 11:23:46,335 INFO L226 Difference]: Without dead ends: 93 [2024-09-25 11:23:46,335 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 179 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-09-25 11:23:46,336 INFO L434 NwaCegarLoop]: 21 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 11:23:46,336 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 94 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 11:23:46,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-09-25 11:23:46,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2024-09-25 11:23:46,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 55 states have internal predecessors, (65), 18 states have call successors, (18), 9 states have call predecessors, (18), 12 states have return successors, (44), 22 states have call predecessors, (44), 17 states have call successors, (44) [2024-09-25 11:23:46,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2024-09-25 11:23:46,350 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 82 [2024-09-25 11:23:46,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:23:46,350 INFO L474 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2024-09-25 11:23:46,351 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), 10 states have call successors, (16), 1 states have call predecessors, (16), 6 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) [2024-09-25 11:23:46,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2024-09-25 11:23:46,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-09-25 11:23:46,357 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:23:46,357 INFO L216 NwaCegarLoop]: trace histogram [29, 29, 23, 14, 14, 14, 14, 14, 14, 14, 9, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 11:23:46,373 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-25 11:23:46,557 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:23:46,558 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:23:46,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:46,558 INFO L85 PathProgramCache]: Analyzing trace with hash 468078537, now seen corresponding path program 4 times [2024-09-25 11:23:46,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:23:46,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266487769] [2024-09-25 11:23:46,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:23:46,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:23:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:46,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:23:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:46,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 11:23:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:46,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,183 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,205 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,216 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,217 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,218 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:23:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,225 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,227 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,233 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,234 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,235 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:23:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,299 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,329 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,336 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,339 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,341 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,343 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,402 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:23:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:47,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 393 proven. 617 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2024-09-25 11:23:47,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:23:47,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266487769] [2024-09-25 11:23:47,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266487769] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:23:47,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501804732] [2024-09-25 11:23:47,411 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-25 11:23:47,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:23:47,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:23:47,415 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) [2024-09-25 11:23:47,416 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-25 11:23:47,483 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-25 11:23:47,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:23:47,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-25 11:23:47,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:23:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 103 proven. 653 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2024-09-25 11:23:47,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:23:48,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 103 proven. 693 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2024-09-25 11:23:48,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501804732] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:23:48,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:23:48,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 15] total 29 [2024-09-25 11:23:48,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236840640] [2024-09-25 11:23:48,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:23:48,653 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-25 11:23:48,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:23:48,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-25 11:23:48,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-09-25 11:23:48,654 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand has 29 states, 27 states have (on average 2.740740740740741) internal successors, (74), 29 states have internal predecessors, (74), 22 states have call successors, (27), 1 states have call predecessors, (27), 11 states have return successors, (37), 18 states have call predecessors, (37), 22 states have call successors, (37) [2024-09-25 11:23:48,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:23:48,949 INFO L93 Difference]: Finished difference Result 173 states and 318 transitions. [2024-09-25 11:23:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-25 11:23:48,949 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 2.740740740740741) internal successors, (74), 29 states have internal predecessors, (74), 22 states have call successors, (27), 1 states have call predecessors, (27), 11 states have return successors, (37), 18 states have call predecessors, (37), 22 states have call successors, (37) Word has length 204 [2024-09-25 11:23:48,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:23:48,955 INFO L225 Difference]: With dead ends: 173 [2024-09-25 11:23:48,956 INFO L226 Difference]: Without dead ends: 90 [2024-09-25 11:23:48,962 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 454 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 615 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=472, Invalid=1334, Unknown=0, NotChecked=0, Total=1806 [2024-09-25 11:23:48,963 INFO L434 NwaCegarLoop]: 23 mSDtfsCounter, 120 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-25 11:23:48,963 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 145 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-25 11:23:48,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-09-25 11:23:48,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 80. [2024-09-25 11:23:48,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 53 states have internal predecessors, (61), 16 states have call successors, (16), 12 states have call predecessors, (16), 9 states have return successors, (32), 14 states have call predecessors, (32), 15 states have call successors, (32) [2024-09-25 11:23:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2024-09-25 11:23:48,981 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 204 [2024-09-25 11:23:48,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:23:48,982 INFO L474 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2024-09-25 11:23:48,982 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 2.740740740740741) internal successors, (74), 29 states have internal predecessors, (74), 22 states have call successors, (27), 1 states have call predecessors, (27), 11 states have return successors, (37), 18 states have call predecessors, (37), 22 states have call successors, (37) [2024-09-25 11:23:48,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2024-09-25 11:23:48,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-09-25 11:23:48,989 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:23:48,989 INFO L216 NwaCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 11:23:49,004 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-25 11:23:49,189 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-25 11:23:49,190 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:23:49,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:49,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1027905163, now seen corresponding path program 5 times [2024-09-25 11:23:49,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:23:49,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417721503] [2024-09-25 11:23:49,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:23:49,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:23:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,389 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:23:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,391 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 11:23:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,593 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,710 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,770 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,809 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,843 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,872 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,887 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,891 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,896 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,898 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:23:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,906 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,908 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,910 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,913 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:23:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,936 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,943 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 11:23:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,981 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:49,994 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:50,001 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:50,004 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:50,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:50,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:50,007 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:50,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:50,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:50,012 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:23:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:50,015 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:50,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:50,018 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:50,019 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2024-09-25 11:23:50,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:23:50,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417721503] [2024-09-25 11:23:50,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417721503] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:23:50,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766635795] [2024-09-25 11:23:50,022 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-25 11:23:50,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:23:50,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:23:50,023 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) [2024-09-25 11:23:50,025 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-25 11:23:50,162 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) [2024-09-25 11:23:50,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:23:50,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-25 11:23:50,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:23:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 818 proven. 334 refuted. 0 times theorem prover too weak. 3416 trivial. 0 not checked. [2024-09-25 11:23:50,232 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:23:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 826 proven. 366 refuted. 0 times theorem prover too weak. 3376 trivial. 0 not checked. [2024-09-25 11:23:51,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766635795] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:23:51,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:23:51,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 15] total 25 [2024-09-25 11:23:51,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553973943] [2024-09-25 11:23:51,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:23:51,460 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-25 11:23:51,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:23:51,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-25 11:23:51,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-09-25 11:23:51,462 INFO L87 Difference]: Start difference. First operand 80 states and 109 transitions. Second operand has 25 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 25 states have internal predecessors, (65), 20 states have call successors, (25), 1 states have call predecessors, (25), 8 states have return successors, (33), 16 states have call predecessors, (33), 20 states have call successors, (33) [2024-09-25 11:23:51,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:23:51,613 INFO L93 Difference]: Finished difference Result 250 states and 377 transitions. [2024-09-25 11:23:51,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-25 11:23:51,614 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 25 states have internal predecessors, (65), 20 states have call successors, (25), 1 states have call predecessors, (25), 8 states have return successors, (33), 16 states have call predecessors, (33), 20 states have call successors, (33) Word has length 286 [2024-09-25 11:23:51,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:23:51,616 INFO L225 Difference]: With dead ends: 250 [2024-09-25 11:23:51,617 INFO L226 Difference]: Without dead ends: 246 [2024-09-25 11:23:51,617 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 642 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2024-09-25 11:23:51,618 INFO L434 NwaCegarLoop]: 21 mSDtfsCounter, 70 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 11:23:51,618 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 114 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 11:23:51,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-09-25 11:23:51,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 231. [2024-09-25 11:23:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 155 states have (on average 1.135483870967742) internal successors, (176), 151 states have internal predecessors, (176), 50 states have call successors, (50), 28 states have call predecessors, (50), 25 states have return successors, (123), 51 states have call predecessors, (123), 49 states have call successors, (123) [2024-09-25 11:23:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 349 transitions. [2024-09-25 11:23:51,642 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 349 transitions. Word has length 286 [2024-09-25 11:23:51,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:23:51,642 INFO L474 AbstractCegarLoop]: Abstraction has 231 states and 349 transitions. [2024-09-25 11:23:51,642 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 25 states have internal predecessors, (65), 20 states have call successors, (25), 1 states have call predecessors, (25), 8 states have return successors, (33), 16 states have call predecessors, (33), 20 states have call successors, (33) [2024-09-25 11:23:51,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:51,643 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 349 transitions. [2024-09-25 11:23:51,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2024-09-25 11:23:51,648 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:23:51,648 INFO L216 NwaCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 24, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 11:23:51,664 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-25 11:23:51,852 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:23:51,853 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:23:51,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:51,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1694340825, now seen corresponding path program 6 times [2024-09-25 11:23:51,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:23:51,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567001708] [2024-09-25 11:23:51,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:23:51,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:23:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:52,312 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:23:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:52,314 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 11:23:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:52,688 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:52,836 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:52,914 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:52,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,032 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,118 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,121 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,127 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,133 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,134 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:23:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,147 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,150 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,152 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,157 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,158 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:23:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,172 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,175 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,178 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,179 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,181 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,185 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,188 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 11:23:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,209 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,216 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,224 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,225 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,226 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,228 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,231 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,232 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,234 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:23:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,238 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,241 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,243 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,244 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-25 11:23:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,388 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,485 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,626 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,634 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,637 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,638 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,639 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,640 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,731 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,734 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:23:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,748 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,758 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:23:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,777 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,787 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,794 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,796 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,798 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,800 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,804 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 11:23:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,837 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,861 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,878 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,885 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,888 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,892 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,893 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2818 proven. 2810 refuted. 0 times theorem prover too weak. 10779 trivial. 0 not checked. [2024-09-25 11:23:53,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:23:53,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567001708] [2024-09-25 11:23:53,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567001708] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:23:53,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405069332] [2024-09-25 11:23:53,902 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-25 11:23:53,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:23:53,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:23:53,904 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) [2024-09-25 11:23:53,908 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-25 11:23:54,054 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2024-09-25 11:23:54,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:23:54,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-25 11:23:54,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:23:54,143 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 533 proven. 2177 refuted. 0 times theorem prover too weak. 13697 trivial. 0 not checked. [2024-09-25 11:23:54,143 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:23:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 537 proven. 2230 refuted. 0 times theorem prover too weak. 13640 trivial. 0 not checked. [2024-09-25 11:23:56,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405069332] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:23:56,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:23:56,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 17] total 36 [2024-09-25 11:23:56,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856586068] [2024-09-25 11:23:56,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:23:56,434 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-25 11:23:56,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:23:56,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-25 11:23:56,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=953, Unknown=0, NotChecked=0, Total=1260 [2024-09-25 11:23:56,435 INFO L87 Difference]: Start difference. First operand 231 states and 349 transitions. Second operand has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (33), 1 states have call predecessors, (33), 14 states have return successors, (48), 27 states have call predecessors, (48), 26 states have call successors, (48) [2024-09-25 11:23:56,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:23:56,916 INFO L93 Difference]: Finished difference Result 365 states and 660 transitions. [2024-09-25 11:23:56,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-25 11:23:56,917 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (33), 1 states have call predecessors, (33), 14 states have return successors, (48), 27 states have call predecessors, (48), 26 states have call successors, (48) Word has length 531 [2024-09-25 11:23:56,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:23:56,919 INFO L225 Difference]: With dead ends: 365 [2024-09-25 11:23:56,919 INFO L226 Difference]: Without dead ends: 148 [2024-09-25 11:23:56,922 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1275 GetRequests, 1210 SyntacticMatches, 8 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=831, Invalid=2591, Unknown=0, NotChecked=0, Total=3422 [2024-09-25 11:23:56,922 INFO L434 NwaCegarLoop]: 33 mSDtfsCounter, 190 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-25 11:23:56,922 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 266 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-25 11:23:56,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-09-25 11:23:56,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 119. [2024-09-25 11:23:56,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 82 states have (on average 1.0853658536585367) internal successors, (89), 80 states have internal predecessors, (89), 25 states have call successors, (25), 19 states have call predecessors, (25), 11 states have return successors, (56), 19 states have call predecessors, (56), 24 states have call successors, (56) [2024-09-25 11:23:56,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 170 transitions. [2024-09-25 11:23:56,934 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 170 transitions. Word has length 531 [2024-09-25 11:23:56,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:23:56,934 INFO L474 AbstractCegarLoop]: Abstraction has 119 states and 170 transitions. [2024-09-25 11:23:56,934 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (33), 1 states have call predecessors, (33), 14 states have return successors, (48), 27 states have call predecessors, (48), 26 states have call successors, (48) [2024-09-25 11:23:56,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:56,935 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2024-09-25 11:23:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2024-09-25 11:23:56,947 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:23:56,948 INFO L216 NwaCegarLoop]: trace histogram [125, 125, 101, 62, 62, 62, 62, 62, 62, 62, 39, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 11:23:56,961 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-25 11:23:57,148 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:23:57,149 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:23:57,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:23:57,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1852929859, now seen corresponding path program 7 times [2024-09-25 11:23:57,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:23:57,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145580997] [2024-09-25 11:23:57,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:23:57,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:23:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:58,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:23:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:58,042 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 11:23:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:58,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:58,869 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,035 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,142 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,202 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,237 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,266 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,291 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,303 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,305 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,307 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,310 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,312 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:23:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,317 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,319 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,320 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,321 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,322 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:23:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,329 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,332 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,334 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,334 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,335 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,337 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,338 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,339 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 11:23:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,354 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,358 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,361 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,363 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,365 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,366 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,368 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,369 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,370 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:23:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,373 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,375 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,377 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-25 11:23:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,406 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,410 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,413 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,419 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,423 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:23:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,426 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,429 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,433 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:23:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,437 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,441 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,443 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,444 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,448 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,449 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-25 11:23:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,784 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,860 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,912 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:23:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:23:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,949 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:23:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:23:59,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:23:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,004 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,008 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,019 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,019 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,020 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,021 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:24:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,029 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,031 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,033 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,035 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,039 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 11:24:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,076 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,078 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,080 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,081 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,082 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,082 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,084 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,089 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,090 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,092 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-25 11:24:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,151 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,164 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,174 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,178 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,179 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,181 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,184 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,185 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,191 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,192 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,193 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,194 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,197 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 5753 proven. 5825 refuted. 0 times theorem prover too weak. 32036 trivial. 0 not checked. [2024-09-25 11:24:00,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:00,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145580997] [2024-09-25 11:24:00,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145580997] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:24:00,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727904261] [2024-09-25 11:24:00,197 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-25 11:24:00,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:00,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:00,199 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) [2024-09-25 11:24:00,200 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-25 11:24:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:00,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 1924 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-25 11:24:00,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:24:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2058 refuted. 0 times theorem prover too weak. 37762 trivial. 0 not checked. [2024-09-25 11:24:00,578 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:24:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2150 refuted. 0 times theorem prover too weak. 37670 trivial. 0 not checked. [2024-09-25 11:24:04,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727904261] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:24:04,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:24:04,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 13, 21] total 45 [2024-09-25 11:24:04,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130618507] [2024-09-25 11:24:04,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:24:04,465 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-09-25 11:24:04,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:24:04,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-09-25 11:24:04,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=1545, Unknown=0, NotChecked=0, Total=1980 [2024-09-25 11:24:04,467 INFO L87 Difference]: Start difference. First operand 119 states and 170 transitions. Second operand has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (39), 1 states have call predecessors, (39), 19 states have return successors, (58), 33 states have call predecessors, (58), 32 states have call successors, (58) [2024-09-25 11:24:05,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:24:05,193 INFO L93 Difference]: Finished difference Result 292 states and 611 transitions. [2024-09-25 11:24:05,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-25 11:24:05,194 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (39), 1 states have call predecessors, (39), 19 states have return successors, (58), 33 states have call predecessors, (58), 32 states have call successors, (58) Word has length 858 [2024-09-25 11:24:05,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:24:05,196 INFO L225 Difference]: With dead ends: 292 [2024-09-25 11:24:05,196 INFO L226 Difference]: Without dead ends: 163 [2024-09-25 11:24:05,199 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2040 GetRequests, 1955 SyntacticMatches, 10 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2124 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1252, Invalid=4600, Unknown=0, NotChecked=0, Total=5852 [2024-09-25 11:24:05,199 INFO L434 NwaCegarLoop]: 49 mSDtfsCounter, 237 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-25 11:24:05,200 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 358 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-25 11:24:05,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-09-25 11:24:05,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 139. [2024-09-25 11:24:05,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 97 states have (on average 1.0206185567010309) internal successors, (99), 95 states have internal predecessors, (99), 30 states have call successors, (30), 24 states have call predecessors, (30), 11 states have return successors, (54), 19 states have call predecessors, (54), 29 states have call successors, (54) [2024-09-25 11:24:05,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2024-09-25 11:24:05,212 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 858 [2024-09-25 11:24:05,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:24:05,213 INFO L474 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2024-09-25 11:24:05,213 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (39), 1 states have call predecessors, (39), 19 states have return successors, (58), 33 states have call predecessors, (58), 32 states have call successors, (58) [2024-09-25 11:24:05,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:05,213 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2024-09-25 11:24:05,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2024-09-25 11:24:05,216 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:24:05,216 INFO L216 NwaCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 11:24:05,230 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-25 11:24:05,420 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:05,420 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:24:05,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:05,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2072743553, now seen corresponding path program 8 times [2024-09-25 11:24:05,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:24:05,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330580503] [2024-09-25 11:24:05,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:05,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:24:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:11,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:24:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:11,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 11:24:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:13,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:14,882 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,235 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,398 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,538 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,619 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,686 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,734 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,761 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,766 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,778 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,782 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,787 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,806 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,818 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,832 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:24:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,873 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,892 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,904 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,908 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,912 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:15,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 11:24:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,036 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,076 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,089 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,092 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,127 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,142 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,146 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-25 11:24:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,278 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,334 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,382 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,385 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,389 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,392 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,435 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,438 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,441 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:24:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,468 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,482 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,491 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,494 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,499 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,502 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,520 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,525 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-25 11:24:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:16,877 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,061 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,099 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,129 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,142 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,158 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,165 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,169 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,172 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:24:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,200 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,213 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,222 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,225 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,228 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,231 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,239 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,243 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 11:24:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,302 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,328 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,349 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,352 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,355 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,358 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,366 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,369 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,386 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,394 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-25 11:24:17,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:17,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330580503] [2024-09-25 11:24:17,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330580503] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:24:17,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381198545] [2024-09-25 11:24:17,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-25 11:24:17,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:17,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:17,410 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) [2024-09-25 11:24:17,412 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-25 11:24:17,658 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-25 11:24:17,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:24:17,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 439 conjuncts are in the unsatisfiable core [2024-09-25 11:24:17,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:24:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-25 11:24:18,250 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:24:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-25 11:24:21,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381198545] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:24:21,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:24:21,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2024-09-25 11:24:21,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195816512] [2024-09-25 11:24:21,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:24:21,678 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-25 11:24:21,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:24:21,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-25 11:24:21,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-09-25 11:24:21,679 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (25), 25 states have call predecessors, (25), 8 states have call successors, (25) [2024-09-25 11:24:21,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:24:21,969 INFO L93 Difference]: Finished difference Result 152 states and 204 transitions. [2024-09-25 11:24:21,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-25 11:24:21,969 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (25), 25 states have call predecessors, (25), 8 states have call successors, (25) Word has length 749 [2024-09-25 11:24:21,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:24:21,972 INFO L225 Difference]: With dead ends: 152 [2024-09-25 11:24:21,972 INFO L226 Difference]: Without dead ends: 148 [2024-09-25 11:24:21,972 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1938 GetRequests, 1904 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-09-25 11:24:21,973 INFO L434 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-25 11:24:21,973 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1077 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-25 11:24:21,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-09-25 11:24:21,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 147. [2024-09-25 11:24:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 102 states have (on average 1.0196078431372548) internal successors, (104), 100 states have internal predecessors, (104), 31 states have call successors, (31), 24 states have call predecessors, (31), 13 states have return successors, (61), 22 states have call predecessors, (61), 30 states have call successors, (61) [2024-09-25 11:24:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2024-09-25 11:24:21,984 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 749 [2024-09-25 11:24:21,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:24:21,985 INFO L474 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2024-09-25 11:24:21,985 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (25), 25 states have call predecessors, (25), 8 states have call successors, (25) [2024-09-25 11:24:21,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:21,985 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2024-09-25 11:24:21,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2024-09-25 11:24:21,993 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:24:21,993 INFO L216 NwaCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 11:24:22,010 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-25 11:24:22,197 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-25 11:24:22,198 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:24:22,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:22,198 INFO L85 PathProgramCache]: Analyzing trace with hash -562081978, now seen corresponding path program 9 times [2024-09-25 11:24:22,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:24:22,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059532722] [2024-09-25 11:24:22,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:22,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:24:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:23,033 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:24:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:23,035 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 11:24:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:23,795 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,307 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,501 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,623 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,704 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,785 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,787 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,788 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,789 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,790 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,835 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,838 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,840 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,845 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,847 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,848 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,849 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,850 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:24:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,859 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,862 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,865 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,866 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,866 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,867 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,869 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,870 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,871 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 11:24:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,888 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,891 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,893 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,893 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,894 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,895 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,897 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,898 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,902 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,904 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,904 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,905 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,907 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-25 11:24:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,932 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,955 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,964 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,966 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,967 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:24:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,972 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,976 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,978 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,979 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,980 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,981 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,983 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,984 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:24,986 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-25 11:24:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,064 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,121 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,163 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,197 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,226 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,238 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,239 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,241 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,250 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,261 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,263 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,266 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:24:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,274 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,284 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,285 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,294 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,296 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,297 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,301 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2024-09-25 11:24:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,329 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,341 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,348 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,352 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,354 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,357 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,358 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,359 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,367 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,369 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,375 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,379 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 11:24:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,383 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,386 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,388 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,390 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,390 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,391 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,393 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,394 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,396 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 11:24:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,403 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,411 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,425 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,429 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,433 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 11:24:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,447 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,449 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 11:24:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,453 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 11:24:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,453 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 11:24:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3313 proven. 5871 refuted. 0 times theorem prover too weak. 41726 trivial. 0 not checked. [2024-09-25 11:24:25,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:25,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059532722] [2024-09-25 11:24:25,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059532722] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:24:25,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426700213] [2024-09-25 11:24:25,460 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-25 11:24:25,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:25,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:25,461 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) [2024-09-25 11:24:25,463 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-25 11:24:25,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2024-09-25 11:24:25,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:24:25,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-25 11:24:25,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:24:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1209 proven. 5377 refuted. 0 times theorem prover too weak. 44324 trivial. 0 not checked. [2024-09-25 11:24:25,861 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:24:30,555 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1201 proven. 5477 refuted. 0 times theorem prover too weak. 44232 trivial. 0 not checked. [2024-09-25 11:24:30,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426700213] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:24:30,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:24:30,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 22] total 43 [2024-09-25 11:24:30,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847178100] [2024-09-25 11:24:30,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:24:30,558 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-09-25 11:24:30,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:24:30,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-09-25 11:24:30,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=1391, Unknown=0, NotChecked=0, Total=1806 [2024-09-25 11:24:30,561 INFO L87 Difference]: Start difference. First operand 147 states and 196 transitions. Second operand has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (39), 1 states have call predecessors, (39), 17 states have return successors, (57), 28 states have call predecessors, (57), 33 states have call successors, (57) [2024-09-25 11:24:30,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:24:30,983 INFO L93 Difference]: Finished difference Result 290 states and 403 transitions. [2024-09-25 11:24:30,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-25 11:24:30,983 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (39), 1 states have call predecessors, (39), 17 states have return successors, (57), 28 states have call predecessors, (57), 33 states have call successors, (57) Word has length 926 [2024-09-25 11:24:30,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:24:30,985 INFO L225 Difference]: With dead ends: 290 [2024-09-25 11:24:30,985 INFO L226 Difference]: Without dead ends: 0 [2024-09-25 11:24:30,987 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2166 GetRequests, 2101 SyntacticMatches, 10 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1258 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=757, Invalid=2435, Unknown=0, NotChecked=0, Total=3192 [2024-09-25 11:24:30,988 INFO L434 NwaCegarLoop]: 49 mSDtfsCounter, 122 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-25 11:24:30,988 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 336 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-25 11:24:30,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-25 11:24:30,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-25 11:24:30,989 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) [2024-09-25 11:24:30,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-25 11:24:30,989 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 926 [2024-09-25 11:24:30,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:24:30,990 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-25 11:24:30,990 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (39), 1 states have call predecessors, (39), 17 states have return successors, (57), 28 states have call predecessors, (57), 33 states have call successors, (57) [2024-09-25 11:24:30,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:30,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-25 11:24:30,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-25 11:24:30,993 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-09-25 11:24:31,006 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-25 11:24:31,193 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-09-25 11:24:31,196 INFO L408 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2024-09-25 11:24:31,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-09-25 11:24:34,833 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-25 11:24:34,856 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-09-25 11:24:34,857 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-09-25 11:24:34,857 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-09-25 11:24:34,857 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-09-25 11:24:34,857 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-09-25 11:24:34,857 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-09-25 11:24:34,857 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-09-25 11:24:34,858 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-09-25 11:24:34,858 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-09-25 11:24:34,859 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-09-25 11:24:34,860 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-09-25 11:24:34,860 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-09-25 11:24:34,860 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-09-25 11:24:34,860 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-09-25 11:24:34,860 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-09-25 11:24:34,860 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-09-25 11:24:34,860 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-09-25 11:24:34,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 11:24:34 BoogieIcfgContainer [2024-09-25 11:24:34,861 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-25 11:24:34,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-09-25 11:24:34,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-09-25 11:24:34,861 INFO L274 PluginConnector]: Witness Printer initialized [2024-09-25 11:24:34,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:23:42" (3/4) ... [2024-09-25 11:24:34,863 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-09-25 11:24:34,904 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-09-25 11:24:34,904 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-09-25 11:24:34,905 INFO L158 Benchmark]: Toolchain (without parser) took 52966.17ms. Allocated memory was 115.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 77.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 635.3MB. Max. memory is 16.1GB. [2024-09-25 11:24:34,905 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:24:34,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.90ms. Allocated memory is still 115.3MB. Free memory was 77.6MB in the beginning and 66.6MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:24:34,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 13.42ms. Allocated memory is still 115.3MB. Free memory was 66.6MB in the beginning and 65.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:24:34,905 INFO L158 Benchmark]: Boogie Preprocessor took 26.66ms. Allocated memory is still 115.3MB. Free memory was 65.5MB in the beginning and 64.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:24:34,906 INFO L158 Benchmark]: RCFGBuilder took 233.69ms. Allocated memory is still 115.3MB. Free memory was 64.1MB in the beginning and 52.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:24:34,906 INFO L158 Benchmark]: TraceAbstraction took 52454.01ms. Allocated memory was 115.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 51.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 900.6MB. Max. memory is 16.1GB. [2024-09-25 11:24:34,906 INFO L158 Benchmark]: Witness Printer took 43.34ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:24:34,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.90ms. Allocated memory is still 115.3MB. Free memory was 77.6MB in the beginning and 66.6MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 13.42ms. Allocated memory is still 115.3MB. Free memory was 66.6MB in the beginning and 65.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.66ms. Allocated memory is still 115.3MB. Free memory was 65.5MB in the beginning and 64.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 233.69ms. Allocated memory is still 115.3MB. Free memory was 64.1MB in the beginning and 52.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 52454.01ms. Allocated memory was 115.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 51.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 900.6MB. Max. memory is 16.1GB. * Witness Printer took 43.34ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid * 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: 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 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.7s, OverallIterations: 12, TraceHistogramMax: 135, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 938 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 887 mSDsluCounter, 2711 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2380 mSDsCounter, 829 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3874 IncrementalHoareTripleChecker+Invalid, 4703 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 829 mSolverCounterUnsat, 331 mSDtfsCounter, 3874 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9053 GetRequests, 8651 SyntacticMatches, 50 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5872 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=231occurred in iteration=8, InterpolantAutomatonStates: 247, 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, 12 MinimizatonAttempts, 89 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 41.5s InterpolantComputationTime, 7485 NumberOfCodeBlocks, 6483 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 11182 ConstructedInterpolants, 0 QuantifiedInterpolants, 17429 SizeOfPredicates, 40 NumberOfNonLiveVariables, 6202 ConjunctsInSsa, 552 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 382855/453612 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 1 specifications checked. All of them hold - ProcedureContractResult [Line: 16]: Procedure Contract for fibonacci Derived contract for procedure fibonacci. Ensures: ((\result == 0) || (0 < n)) RESULT: Ultimate proved your program to be correct! [2024-09-25 11:24:34,931 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