./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-97.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 d5e4cb9ac1eb80d849fbfc0dc84b475939efb7668f397b899cd3f0a90b7f4ba1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 04:04:30,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 04:04:30,538 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 04:04:30,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 04:04:30,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 04:04:30,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 04:04:30,565 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 04:04:30,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 04:04:30,566 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 04:04:30,567 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 04:04:30,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 04:04:30,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 04:04:30,568 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 04:04:30,568 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 04:04:30,569 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 04:04:30,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 04:04:30,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 04:04:30,573 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 04:04:30,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 04:04:30,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 04:04:30,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 04:04:30,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 04:04:30,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 04:04:30,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 04:04:30,577 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 04:04:30,578 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 04:04:30,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 04:04:30,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 04:04:30,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 04:04:30,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 04:04:30,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 04:04:30,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 04:04:30,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:04:30,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 04:04:30,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 04:04:30,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 04:04:30,592 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 04:04:30,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 04:04:30,592 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 04:04:30,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 04:04:30,592 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 04:04:30,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 04:04:30,593 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/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5e4cb9ac1eb80d849fbfc0dc84b475939efb7668f397b899cd3f0a90b7f4ba1 [2024-10-13 04:04:30,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 04:04:30,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 04:04:30,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 04:04:30,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 04:04:30,886 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 04:04:30,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-97.i [2024-10-13 04:04:32,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 04:04:32,581 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 04:04:32,585 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-97.i [2024-10-13 04:04:32,603 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31da55594/e8ddeb34ea0348c7b3377ee1e10b9356/FLAGa89b1906b [2024-10-13 04:04:32,617 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31da55594/e8ddeb34ea0348c7b3377ee1e10b9356 [2024-10-13 04:04:32,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 04:04:32,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 04:04:32,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 04:04:32,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 04:04:32,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 04:04:32,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:04:32" (1/1) ... [2024-10-13 04:04:32,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bbb045f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:32, skipping insertion in model container [2024-10-13 04:04:32,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:04:32" (1/1) ... [2024-10-13 04:04:32,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 04:04:32,836 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-97.i[916,929] [2024-10-13 04:04:32,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:04:32,939 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 04:04:32,951 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-97.i[916,929] [2024-10-13 04:04:33,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:04:33,026 INFO L204 MainTranslator]: Completed translation [2024-10-13 04:04:33,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33 WrapperNode [2024-10-13 04:04:33,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 04:04:33,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 04:04:33,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 04:04:33,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 04:04:33,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33" (1/1) ... [2024-10-13 04:04:33,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33" (1/1) ... [2024-10-13 04:04:33,087 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2024-10-13 04:04:33,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 04:04:33,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 04:04:33,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 04:04:33,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 04:04:33,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33" (1/1) ... [2024-10-13 04:04:33,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33" (1/1) ... [2024-10-13 04:04:33,107 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33" (1/1) ... [2024-10-13 04:04:33,142 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]. [2024-10-13 04:04:33,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33" (1/1) ... [2024-10-13 04:04:33,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33" (1/1) ... [2024-10-13 04:04:33,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33" (1/1) ... [2024-10-13 04:04:33,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33" (1/1) ... [2024-10-13 04:04:33,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33" (1/1) ... [2024-10-13 04:04:33,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33" (1/1) ... [2024-10-13 04:04:33,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 04:04:33,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 04:04:33,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 04:04:33,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 04:04:33,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33" (1/1) ... [2024-10-13 04:04:33,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:04:33,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:04:33,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 04:04:33,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 04:04:33,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 04:04:33,277 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 04:04:33,278 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 04:04:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 04:04:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 04:04:33,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 04:04:33,376 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 04:04:33,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 04:04:33,788 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-13 04:04:33,789 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 04:04:33,832 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 04:04:33,832 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 04:04:33,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:04:33 BoogieIcfgContainer [2024-10-13 04:04:33,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 04:04:33,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 04:04:33,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 04:04:33,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 04:04:33,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:04:32" (1/3) ... [2024-10-13 04:04:33,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e07ed2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:04:33, skipping insertion in model container [2024-10-13 04:04:33,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:33" (2/3) ... [2024-10-13 04:04:33,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e07ed2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:04:33, skipping insertion in model container [2024-10-13 04:04:33,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:04:33" (3/3) ... [2024-10-13 04:04:33,841 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-97.i [2024-10-13 04:04:33,858 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 04:04:33,858 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 04:04:33,947 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 04:04:33,953 INFO L333 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=LoopHeads, 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;@50de321c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 04:04:33,953 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 04:04:33,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 49 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 04:04:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-13 04:04:33,989 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:04:33,990 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:04:33,991 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:04:33,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:04:33,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1821303811, now seen corresponding path program 1 times [2024-10-13 04:04:34,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:04:34,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112337801] [2024-10-13 04:04:34,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:04:34,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:04:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:04:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:04:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:04:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:04:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:04:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:04:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:04:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:04:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:04:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:04:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:04:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:04:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:04:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 04:04:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 04:04:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 04:04:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:04:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:04:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 04:04:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:04:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 04:04:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:04:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 04:04:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:04:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-10-13 04:04:34,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:04:34,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112337801] [2024-10-13 04:04:34,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112337801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:04:34,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:04:34,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 04:04:34,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916846471] [2024-10-13 04:04:34,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:04:34,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 04:04:34,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:04:34,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 04:04:34,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 04:04:34,582 INFO L87 Difference]: Start difference. First operand has 75 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 49 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-13 04:04:34,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:04:34,635 INFO L93 Difference]: Finished difference Result 147 states and 264 transitions. [2024-10-13 04:04:34,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 04:04:34,639 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 155 [2024-10-13 04:04:34,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:04:34,649 INFO L225 Difference]: With dead ends: 147 [2024-10-13 04:04:34,650 INFO L226 Difference]: Without dead ends: 73 [2024-10-13 04:04:34,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 04:04:34,658 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:04:34,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 04:04:34,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-13 04:04:34,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-10-13 04:04:34,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 47 states have (on average 1.446808510638298) internal successors, (68), 47 states have internal predecessors, (68), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 04:04:34,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 116 transitions. [2024-10-13 04:04:34,714 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 116 transitions. Word has length 155 [2024-10-13 04:04:34,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:04:34,714 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 116 transitions. [2024-10-13 04:04:34,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-13 04:04:34,715 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 116 transitions. [2024-10-13 04:04:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-13 04:04:34,720 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:04:34,721 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:04:34,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 04:04:34,721 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:04:34,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:04:34,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1769755653, now seen corresponding path program 1 times [2024-10-13 04:04:34,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:04:34,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979973770] [2024-10-13 04:04:34,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:04:34,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:04:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:04:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:04:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:04:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:04:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:04:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:34,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:04:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:04:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:04:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:04:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:04:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:04:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:04:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:04:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 04:04:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 04:04:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 04:04:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:04:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:04:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 04:04:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:04:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 04:04:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:04:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 04:04:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:04:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-10-13 04:04:35,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:04:35,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979973770] [2024-10-13 04:04:35,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979973770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:04:35,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:04:35,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 04:04:35,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556975037] [2024-10-13 04:04:35,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:04:35,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 04:04:35,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:04:35,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 04:04:35,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 04:04:35,095 INFO L87 Difference]: Start difference. First operand 73 states and 116 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-10-13 04:04:35,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:04:35,193 INFO L93 Difference]: Finished difference Result 208 states and 330 transitions. [2024-10-13 04:04:35,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 04:04:35,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 155 [2024-10-13 04:04:35,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:04:35,200 INFO L225 Difference]: With dead ends: 208 [2024-10-13 04:04:35,201 INFO L226 Difference]: Without dead ends: 136 [2024-10-13 04:04:35,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 04:04:35,204 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 94 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 04:04:35,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 289 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 04:04:35,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-10-13 04:04:35,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 83. [2024-10-13 04:04:35,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 57 states have (on average 1.4736842105263157) internal successors, (84), 57 states have internal predecessors, (84), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 04:04:35,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 132 transitions. [2024-10-13 04:04:35,232 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 132 transitions. Word has length 155 [2024-10-13 04:04:35,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:04:35,235 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 132 transitions. [2024-10-13 04:04:35,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-10-13 04:04:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2024-10-13 04:04:35,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-13 04:04:35,239 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:04:35,239 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:04:35,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 04:04:35,239 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:04:35,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:04:35,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1761712083, now seen corresponding path program 1 times [2024-10-13 04:04:35,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:04:35,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515921751] [2024-10-13 04:04:35,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:04:35,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:04:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 04:04:35,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149564022] [2024-10-13 04:04:35,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:04:35,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:04:35,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:04:35,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:04:35,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 04:04:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:04:36,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-13 04:04:36,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:04:37,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 528 proven. 105 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2024-10-13 04:04:37,043 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:04:41,257 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_z_6 Int)) (or (< v_z_6 (mod |c_ULTIMATE.start_step_~stepLocal_6~0#1| 256)) (< 65535 v_z_6) (< (mod (div v_z_6 (mod c_~var_1_7~0 4294967296)) 4294967296) v_z_6))) is different from false [2024-10-13 04:05:15,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:05:15,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515921751] [2024-10-13 04:05:15,290 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 04:05:15,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149564022] [2024-10-13 04:05:15,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149564022] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:05:15,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 04:05:15,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-13 04:05:15,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035367213] [2024-10-13 04:05:15,295 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 04:05:15,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 04:05:15,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:05:15,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 04:05:15,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=117, Unknown=9, NotChecked=22, Total=182 [2024-10-13 04:05:15,298 INFO L87 Difference]: Start difference. First operand 83 states and 132 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-13 04:06:08,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:06:08,948 INFO L93 Difference]: Finished difference Result 314 states and 470 transitions. [2024-10-13 04:06:08,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-13 04:06:08,948 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 155 [2024-10-13 04:06:08,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:06:08,951 INFO L225 Difference]: With dead ends: 314 [2024-10-13 04:06:08,951 INFO L226 Difference]: Without dead ends: 232 [2024-10-13 04:06:08,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 168 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 89.0s TimeCoverageRelationStatistics Valid=310, Invalid=1005, Unknown=21, NotChecked=70, Total=1406 [2024-10-13 04:06:08,954 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 273 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-13 04:06:08,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 322 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-13 04:06:08,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-10-13 04:06:08,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 137. [2024-10-13 04:06:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 107 states have internal predecessors, (155), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-13 04:06:08,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 207 transitions. [2024-10-13 04:06:08,990 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 207 transitions. Word has length 155 [2024-10-13 04:06:08,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:06:08,994 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 207 transitions. [2024-10-13 04:06:08,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-13 04:06:08,995 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 207 transitions. [2024-10-13 04:06:08,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-13 04:06:08,997 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:06:08,997 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:06:09,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 04:06:09,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:06:09,199 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:06:09,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:06:09,201 INFO L85 PathProgramCache]: Analyzing trace with hash -2094702573, now seen corresponding path program 1 times [2024-10-13 04:06:09,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:06:09,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009934484] [2024-10-13 04:06:09,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:06:09,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:06:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:06:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:06:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:06:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:06:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:06:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:06:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:06:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:06:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:06:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:06:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:06:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:06:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:06:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 04:06:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 04:06:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 04:06:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:06:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:06:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 04:06:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:06:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 04:06:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:06:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 04:06:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:06:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-10-13 04:06:10,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:06:10,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009934484] [2024-10-13 04:06:10,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009934484] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:06:10,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310167322] [2024-10-13 04:06:10,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:06:10,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:06:10,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:06:10,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:06:10,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 04:06:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:06:10,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 04:06:10,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:06:11,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 365 proven. 12 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-10-13 04:06:11,286 INFO L311 TraceCheckSpWp]: Computing backward predicates...