./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-40.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-40.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 a5c1f731c6afd6eda80ecc2a1a4422b310bbf0b35c642eb8cecc45d271c75d56 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:58:36,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:58:36,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 01:58:36,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:58:36,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:58:36,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:58:36,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:58:36,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:58:36,395 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:58:36,396 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:58:36,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:58:36,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:58:36,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:58:36,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:58:36,397 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:58:36,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:58:36,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:58:36,399 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:58:36,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 01:58:36,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:58:36,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:58:36,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:58:36,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:58:36,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:58:36,401 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:58:36,402 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:58:36,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:58:36,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:58:36,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:58:36,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:58:36,403 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:58:36,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:58:36,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:58:36,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:58:36,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:58:36,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:58:36,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 01:58:36,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 01:58:36,406 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:58:36,406 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:58:36,406 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:58:36,407 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:58:36,407 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5c1f731c6afd6eda80ecc2a1a4422b310bbf0b35c642eb8cecc45d271c75d56 [2024-11-12 01:58:36,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:58:36,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:58:36,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:58:36,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:58:36,673 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:58:36,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-40.i [2024-11-12 01:58:38,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:58:38,318 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:58:38,320 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-40.i [2024-11-12 01:58:38,333 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53b7c708c/f503a2e80fd746338c99761dd92b8a93/FLAG7cb5eceef [2024-11-12 01:58:38,707 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53b7c708c/f503a2e80fd746338c99761dd92b8a93 [2024-11-12 01:58:38,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:58:38,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:58:38,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:58:38,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:58:38,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:58:38,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:58:38" (1/1) ... [2024-11-12 01:58:38,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8160d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:38, skipping insertion in model container [2024-11-12 01:58:38,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:58:38" (1/1) ... [2024-11-12 01:58:38,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:58:38,921 WARN L250 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_fillercode_fillercodesize_ps-cn-10_file-40.i[915,928] [2024-11-12 01:58:38,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:58:38,991 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:58:39,002 WARN L250 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_fillercode_fillercodesize_ps-cn-10_file-40.i[915,928] [2024-11-12 01:58:39,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:58:39,055 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:58:39,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39 WrapperNode [2024-11-12 01:58:39,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:58:39,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:58:39,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:58:39,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:58:39,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39" (1/1) ... [2024-11-12 01:58:39,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39" (1/1) ... [2024-11-12 01:58:39,113 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2024-11-12 01:58:39,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:58:39,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:58:39,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:58:39,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:58:39,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39" (1/1) ... [2024-11-12 01:58:39,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39" (1/1) ... [2024-11-12 01:58:39,136 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39" (1/1) ... [2024-11-12 01:58:39,157 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]. [2024-11-12 01:58:39,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39" (1/1) ... [2024-11-12 01:58:39,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39" (1/1) ... [2024-11-12 01:58:39,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39" (1/1) ... [2024-11-12 01:58:39,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39" (1/1) ... [2024-11-12 01:58:39,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39" (1/1) ... [2024-11-12 01:58:39,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39" (1/1) ... [2024-11-12 01:58:39,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:58:39,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:58:39,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:58:39,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:58:39,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39" (1/1) ... [2024-11-12 01:58:39,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:58:39,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:58:39,225 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) [2024-11-12 01:58:39,228 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 [2024-11-12 01:58:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:58:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:58:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:58:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 01:58:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:58:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:58:39,373 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:58:39,375 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:58:39,722 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-12 01:58:39,722 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:58:39,735 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:58:39,736 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 01:58:39,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:58:39 BoogieIcfgContainer [2024-11-12 01:58:39,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:58:39,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:58:39,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:58:39,744 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:58:39,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:58:38" (1/3) ... [2024-11-12 01:58:39,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fde949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:58:39, skipping insertion in model container [2024-11-12 01:58:39,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:39" (2/3) ... [2024-11-12 01:58:39,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fde949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:58:39, skipping insertion in model container [2024-11-12 01:58:39,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:58:39" (3/3) ... [2024-11-12 01:58:39,751 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-40.i [2024-11-12 01:58:39,787 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:58:39,787 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:58:39,876 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:58:39,886 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;@4363a803, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:58:39,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:58:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 01:58:39,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-12 01:58:39,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:58:39,906 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 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] [2024-11-12 01:58:39,907 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:58:39,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:58:39,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1397367109, now seen corresponding path program 1 times [2024-11-12 01:58:39,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:58:39,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976705911] [2024-11-12 01:58:39,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:58:39,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:58:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:58:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:58:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 01:58:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:58:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 01:58:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:58:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 01:58:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:58:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 01:58:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:58:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 01:58:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:58:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:58:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:58:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:58:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:58:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:58:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:58:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:58:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,398 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 01:58:40,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:58:40,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976705911] [2024-11-12 01:58:40,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976705911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:58:40,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:58:40,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 01:58:40,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018033122] [2024-11-12 01:58:40,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:58:40,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 01:58:40,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:58:40,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 01:58:40,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:58:40,438 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 01:58:40,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:58:40,469 INFO L93 Difference]: Finished difference Result 119 states and 203 transitions. [2024-11-12 01:58:40,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 01:58:40,471 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 125 [2024-11-12 01:58:40,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:58:40,482 INFO L225 Difference]: With dead ends: 119 [2024-11-12 01:58:40,483 INFO L226 Difference]: Without dead ends: 59 [2024-11-12 01:58:40,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:58:40,498 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:58:40,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:58:40,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-12 01:58:40,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-12 01:58:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 01:58:40,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2024-11-12 01:58:40,544 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 125 [2024-11-12 01:58:40,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:58:40,545 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2024-11-12 01:58:40,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 01:58:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-11-12 01:58:40,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-12 01:58:40,549 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:58:40,549 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 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] [2024-11-12 01:58:40,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 01:58:40,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:58:40,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:58:40,551 INFO L85 PathProgramCache]: Analyzing trace with hash 80062753, now seen corresponding path program 1 times [2024-11-12 01:58:40,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:58:40,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939337829] [2024-11-12 01:58:40,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:58:40,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:58:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:58:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:58:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 01:58:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:58:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 01:58:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:58:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 01:58:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:58:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 01:58:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:58:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 01:58:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:58:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:58:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:58:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:58:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:58:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:58:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:58:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:58:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:40,882 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 01:58:40,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:58:40,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939337829] [2024-11-12 01:58:40,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939337829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:58:40,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:58:40,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:58:40,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138763831] [2024-11-12 01:58:40,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:58:40,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:58:40,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:58:40,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:58:40,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:58:40,889 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 01:58:40,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:58:40,910 INFO L93 Difference]: Finished difference Result 115 states and 171 transitions. [2024-11-12 01:58:40,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:58:40,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 126 [2024-11-12 01:58:40,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:58:40,912 INFO L225 Difference]: With dead ends: 115 [2024-11-12 01:58:40,912 INFO L226 Difference]: Without dead ends: 59 [2024-11-12 01:58:40,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:58:40,914 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:58:40,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:58:40,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-12 01:58:40,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-12 01:58:40,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 01:58:40,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2024-11-12 01:58:40,924 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 126 [2024-11-12 01:58:40,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:58:40,926 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2024-11-12 01:58:40,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 01:58:40,926 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2024-11-12 01:58:40,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-12 01:58:40,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:58:40,928 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 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] [2024-11-12 01:58:40,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 01:58:40,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:58:40,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:58:40,929 INFO L85 PathProgramCache]: Analyzing trace with hash -729283873, now seen corresponding path program 1 times [2024-11-12 01:58:40,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:58:40,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806177331] [2024-11-12 01:58:40,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:58:40,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:58:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:58:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:58:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 01:58:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:58:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 01:58:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:58:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 01:58:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:58:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 01:58:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:58:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 01:58:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:58:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:58:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:58:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:58:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:58:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:58:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:58:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:58:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-12 01:58:41,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:58:41,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806177331] [2024-11-12 01:58:41,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806177331] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 01:58:41,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904008987] [2024-11-12 01:58:41,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:58:41,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 01:58:41,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:58:41,445 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) [2024-11-12 01:58:41,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 01:58:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:41,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 01:58:41,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 01:58:41,821 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 354 proven. 30 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-12 01:58:41,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 01:58:42,048 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-12 01:58:42,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904008987] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 01:58:42,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 01:58:42,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-12 01:58:42,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364175325] [2024-11-12 01:58:42,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 01:58:42,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 01:58:42,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:58:42,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 01:58:42,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 01:58:42,054 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-12 01:58:42,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:58:42,259 INFO L93 Difference]: Finished difference Result 121 states and 172 transitions. [2024-11-12 01:58:42,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 01:58:42,263 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 126 [2024-11-12 01:58:42,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:58:42,265 INFO L225 Difference]: With dead ends: 121 [2024-11-12 01:58:42,265 INFO L226 Difference]: Without dead ends: 65 [2024-11-12 01:58:42,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 286 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:58:42,269 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 84 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:58:42,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 129 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 01:58:42,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-12 01:58:42,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 61. [2024-11-12 01:58:42,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 39 states have internal predecessors, (45), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 01:58:42,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 83 transitions. [2024-11-12 01:58:42,291 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 83 transitions. Word has length 126 [2024-11-12 01:58:42,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:58:42,292 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 83 transitions. [2024-11-12 01:58:42,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-12 01:58:42,292 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2024-11-12 01:58:42,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-12 01:58:42,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:58:42,296 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 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] [2024-11-12 01:58:42,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 01:58:42,497 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 [2024-11-12 01:58:42,497 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:58:42,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:58:42,498 INFO L85 PathProgramCache]: Analyzing trace with hash -28219295, now seen corresponding path program 1 times [2024-11-12 01:58:42,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:58:42,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243492690] [2024-11-12 01:58:42,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:58:42,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:58:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 01:58:42,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1408084056] [2024-11-12 01:58:42,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:58:42,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 01:58:42,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:58:42,581 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) [2024-11-12 01:58:42,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 01:58:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 01:58:42,744 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 01:58:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 01:58:42,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 01:58:42,868 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 01:58:42,869 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-12 01:58:42,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 01:58:43,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-12 01:58:43,075 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-12 01:58:43,184 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 01:58:43,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:58:43 BoogieIcfgContainer [2024-11-12 01:58:43,188 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 01:58:43,189 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 01:58:43,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 01:58:43,189 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 01:58:43,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:58:39" (3/4) ... [2024-11-12 01:58:43,192 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 01:58:43,193 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 01:58:43,195 INFO L158 Benchmark]: Toolchain (without parser) took 4482.56ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 124.8MB in the beginning and 78.7MB in the end (delta: 46.1MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2024-11-12 01:58:43,195 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 174.1MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 01:58:43,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.33ms. Allocated memory is still 174.1MB. Free memory was 124.8MB in the beginning and 108.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-12 01:58:43,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.33ms. Allocated memory is still 174.1MB. Free memory was 108.0MB in the beginning and 104.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 01:58:43,196 INFO L158 Benchmark]: Boogie Preprocessor took 75.86ms. Allocated memory is still 174.1MB. Free memory was 104.3MB in the beginning and 97.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-12 01:58:43,196 INFO L158 Benchmark]: RCFGBuilder took 546.00ms. Allocated memory is still 174.1MB. Free memory was 97.0MB in the beginning and 74.5MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 01:58:43,196 INFO L158 Benchmark]: TraceAbstraction took 3449.63ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 73.4MB in the beginning and 78.7MB in the end (delta: -5.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-12 01:58:43,196 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 241.2MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 01:58:43,200 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 174.1MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.33ms. Allocated memory is still 174.1MB. Free memory was 124.8MB in the beginning and 108.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.33ms. Allocated memory is still 174.1MB. Free memory was 108.0MB in the beginning and 104.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.86ms. Allocated memory is still 174.1MB. Free memory was 104.3MB in the beginning and 97.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 546.00ms. Allocated memory is still 174.1MB. Free memory was 97.0MB in the beginning and 74.5MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3449.63ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 73.4MB in the beginning and 78.7MB in the end (delta: -5.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 241.2MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 137, overapproximation of someBinaryDOUBLEComparisonOperation at line 137, overapproximation of someUnaryDOUBLEoperation at line 35. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] signed short int var_1_4 = -200; [L24] unsigned short int var_1_8 = 5; [L25] unsigned char var_1_9 = 1; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 16; [L29] unsigned char var_1_15 = 50; [L30] unsigned short int var_1_16 = 1; [L31] float var_1_17 = 25.4; [L32] float var_1_20 = 1.6; [L33] unsigned short int var_1_21 = 0; [L34] float var_1_24 = 128.5; [L35] double var_1_25 = -0.5; [L36] signed long int var_1_26 = 4; [L37] signed char var_1_27 = 2; [L38] signed char var_1_28 = 5; [L39] signed short int var_1_29 = 16; [L40] signed char var_1_30 = 2; [L41] unsigned char var_1_31 = 0; [L42] unsigned char var_1_32 = 128; [L43] unsigned long int var_1_33 = 64; [L44] double var_1_34 = 100.375; [L45] unsigned char var_1_35 = 1; [L46] double var_1_36 = 2.4; [L47] unsigned char last_1_var_1_9 = 1; [L48] float last_1_var_1_24 = 128.5; VAL [isInitial=0, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=-200, var_1_8=5, var_1_9=1] [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] CALL updateLastVariables() [L133] last_1_var_1_9 = var_1_9 [L134] last_1_var_1_24 = var_1_24 VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=-200, var_1_8=5, var_1_9=1] [L144] RET updateLastVariables() [L145] CALL updateVariables() [L102] var_1_4 = __VERIFIER_nondet_short() [L103] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=5, var_1_9=1] [L103] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=5, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=5, var_1_9=1] [L104] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=5, var_1_9=1] [L105] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=5, var_1_9=1] [L105] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=5, var_1_9=1] [L106] var_1_8 = __VERIFIER_nondet_ushort() [L107] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_9=1] [L107] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_9=1] [L108] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L108] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L109] var_1_10 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L111] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L111] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L112] var_1_11 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L113] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L114] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L114] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L115] var_1_15 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L116] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L117] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L117] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L118] var_1_20 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L119] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=5, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L120] var_1_28 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_28 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L121] RET assume_abort_if_not(var_1_28 >= -127) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L122] CALL assume_abort_if_not(var_1_28 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L122] RET assume_abort_if_not(var_1_28 <= 126) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=128, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L123] var_1_32 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L124] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L125] CALL assume_abort_if_not(var_1_32 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L125] RET assume_abort_if_not(var_1_32 <= 254) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L126] var_1_35 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=64, var_1_34=803/8, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=64, var_1_34=803/8, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L127] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=64, var_1_34=803/8, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L128] CALL assume_abort_if_not(var_1_35 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L128] RET assume_abort_if_not(var_1_35 <= 1) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_36=12/5, var_1_4=2, var_1_8=0, var_1_9=1] [L129] var_1_36 = __VERIFIER_nondet_double() [L130] CALL assume_abort_if_not((var_1_36 >= -922337.2036854765600e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L130] RET assume_abort_if_not((var_1_36 >= -922337.2036854765600e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-127, var_1_29=16, var_1_30=2, var_1_31=0, var_1_32=0, var_1_33=64, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L145] RET updateVariables() [L146] CALL step() [L52] var_1_27 = var_1_28 [L53] var_1_29 = 1 [L54] var_1_30 = var_1_28 [L55] var_1_31 = var_1_32 [L56] var_1_33 = 256u VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L57] COND FALSE !(! var_1_35) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L62] COND FALSE !((last_1_var_1_9 && var_1_11) && (50 > var_1_8)) [L69] var_1_12 = var_1_15 VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L71] unsigned char stepLocal_1 = var_1_10; VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, stepLocal_1=0, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L72] COND FALSE !((var_1_12 != var_1_4) || stepLocal_1) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L75] var_1_26 = var_1_12 VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=2, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L76] COND FALSE !((var_1_9 && var_1_11) && var_1_9) [L79] var_1_21 = ((23370 - var_1_15) + var_1_12) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=23370, var_1_24=257/2, var_1_26=2, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L81] signed long int stepLocal_2 = -4; VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, stepLocal_2=-4, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=23370, var_1_24=257/2, var_1_26=2, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L82] COND FALSE !(! (-4 < var_1_12)) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, stepLocal_2=-4, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=23370, var_1_24=257/2, var_1_26=2, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L85] COND FALSE !(stepLocal_2 > var_1_21) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=23370, var_1_24=257/2, var_1_26=2, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L89] var_1_16 = (((((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) < (var_1_15)) ? ((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) : (var_1_15))) [L90] var_1_25 = var_1_20 [L91] unsigned short int stepLocal_0 = var_1_16; VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, stepLocal_0=2, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L92] COND TRUE ((var_1_16 * var_1_16) / var_1_4) <= stepLocal_0 [L93] var_1_1 = var_1_12 VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=2, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L97] COND FALSE !((var_1_16 - ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) < (var_1_12 - var_1_16)) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=2, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L146] RET step() [L147] CALL, EXPR property() [L137-L138] return (((((((((((var_1_16 * var_1_16) / var_1_4) <= var_1_16) ? (var_1_1 == ((unsigned short int) var_1_12)) : (var_1_1 == ((unsigned short int) (var_1_12 + var_1_12)))) && (((var_1_12 != var_1_4) || var_1_10) ? (var_1_9 == ((unsigned char) var_1_11)) : 1)) && (((last_1_var_1_9 && var_1_11) && (50 > var_1_8)) ? (((- last_1_var_1_24) < last_1_var_1_24) ? (last_1_var_1_9 ? (var_1_12 == ((unsigned char) 5)) : 1) : 1) : (var_1_12 == ((unsigned char) var_1_15)))) && (var_1_16 == ((unsigned short int) (((((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) < (var_1_15)) ? ((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) : (var_1_15)))))) && (((var_1_16 - ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) < (var_1_12 - var_1_16)) ? (var_1_17 == ((float) var_1_20)) : 1)) && (((var_1_9 && var_1_11) && var_1_9) ? (var_1_21 == ((unsigned short int) (var_1_26 + (var_1_15 + ((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))))))) : (var_1_21 == ((unsigned short int) ((23370 - var_1_15) + var_1_12))))) && ((! (-4 < var_1_12)) ? (var_1_24 == ((float) var_1_20)) : ((-4 > var_1_21) ? (var_1_24 == ((float) 10.6f)) : 1))) && (var_1_25 == ((double) var_1_20))) && (var_1_26 == ((signed long int) var_1_12)) ; VAL [\result=0, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=2, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=2, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=2, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_27=-127, var_1_28=-127, var_1_29=1, var_1_30=-127, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=803/8, var_1_35=1, var_1_4=2, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 4, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 382 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 228 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 385 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 755 NumberOfCodeBlocks, 755 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 624 ConstructedInterpolants, 0 QuantifiedInterpolants, 1114 SizeOfPredicates, 1 NumberOfNonLiveVariables, 318 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 3330/3420 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 01:58:43,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-40.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 a5c1f731c6afd6eda80ecc2a1a4422b310bbf0b35c642eb8cecc45d271c75d56 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:58:45,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:58:45,545 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-12 01:58:45,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:58:45,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:58:45,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:58:45,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:58:45,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:58:45,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:58:45,595 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:58:45,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:58:45,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:58:45,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:58:45,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:58:45,597 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:58:45,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:58:45,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:58:45,598 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:58:45,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:58:45,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:58:45,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:58:45,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:58:45,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:58:45,600 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 01:58:45,601 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 01:58:45,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:58:45,601 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 01:58:45,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:58:45,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:58:45,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:58:45,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:58:45,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:58:45,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:58:45,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:58:45,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:58:45,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:58:45,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:58:45,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:58:45,615 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 01:58:45,615 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 01:58:45,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:58:45,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:58:45,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:58:45,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:58:45,616 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5c1f731c6afd6eda80ecc2a1a4422b310bbf0b35c642eb8cecc45d271c75d56 [2024-11-12 01:58:45,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:58:45,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:58:45,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:58:45,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:58:45,945 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:58:45,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-40.i [2024-11-12 01:58:47,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:58:47,681 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:58:47,685 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-40.i [2024-11-12 01:58:47,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4daa56427/bd8e4dd9ecc04344bb2b24e3c237ad7b/FLAG29b5f1396 [2024-11-12 01:58:47,715 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4daa56427/bd8e4dd9ecc04344bb2b24e3c237ad7b [2024-11-12 01:58:47,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:58:47,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:58:47,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:58:47,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:58:47,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:58:47,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:58:47" (1/1) ... [2024-11-12 01:58:47,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c73eae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:47, skipping insertion in model container [2024-11-12 01:58:47,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:58:47" (1/1) ... [2024-11-12 01:58:47,763 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:58:47,976 WARN L250 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_fillercode_fillercodesize_ps-cn-10_file-40.i[915,928] [2024-11-12 01:58:48,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:58:48,068 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:58:48,081 WARN L250 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_fillercode_fillercodesize_ps-cn-10_file-40.i[915,928] [2024-11-12 01:58:48,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:58:48,146 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:58:48,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48 WrapperNode [2024-11-12 01:58:48,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:58:48,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:58:48,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:58:48,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:58:48,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48" (1/1) ... [2024-11-12 01:58:48,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48" (1/1) ... [2024-11-12 01:58:48,203 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-11-12 01:58:48,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:58:48,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:58:48,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:58:48,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:58:48,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48" (1/1) ... [2024-11-12 01:58:48,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48" (1/1) ... [2024-11-12 01:58:48,221 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48" (1/1) ... [2024-11-12 01:58:48,239 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]. [2024-11-12 01:58:48,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48" (1/1) ... [2024-11-12 01:58:48,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48" (1/1) ... [2024-11-12 01:58:48,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48" (1/1) ... [2024-11-12 01:58:48,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48" (1/1) ... [2024-11-12 01:58:48,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48" (1/1) ... [2024-11-12 01:58:48,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48" (1/1) ... [2024-11-12 01:58:48,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:58:48,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:58:48,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:58:48,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:58:48,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48" (1/1) ... [2024-11-12 01:58:48,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:58:48,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:58:48,318 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) [2024-11-12 01:58:48,322 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 [2024-11-12 01:58:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:58:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-12 01:58:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:58:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:58:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:58:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:58:48,453 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:58:48,455 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:58:49,085 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-12 01:58:49,085 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:58:49,100 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:58:49,100 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 01:58:49,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:58:49 BoogieIcfgContainer [2024-11-12 01:58:49,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:58:49,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:58:49,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:58:49,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:58:49,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:58:47" (1/3) ... [2024-11-12 01:58:49,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508302f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:58:49, skipping insertion in model container [2024-11-12 01:58:49,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:58:48" (2/3) ... [2024-11-12 01:58:49,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508302f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:58:49, skipping insertion in model container [2024-11-12 01:58:49,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:58:49" (3/3) ... [2024-11-12 01:58:49,111 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-40.i [2024-11-12 01:58:49,148 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:58:49,148 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:58:49,223 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:58:49,231 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;@44e29458, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:58:49,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:58:49,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 01:58:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-12 01:58:49,249 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:58:49,250 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 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] [2024-11-12 01:58:49,250 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:58:49,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:58:49,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1397367109, now seen corresponding path program 1 times [2024-11-12 01:58:49,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 01:58:49,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684655631] [2024-11-12 01:58:49,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:58:49,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 01:58:49,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 01:58:49,278 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 01:58:49,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-12 01:58:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:49,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-12 01:58:49,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 01:58:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-12 01:58:49,656 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 01:58:49,657 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 01:58:49,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684655631] [2024-11-12 01:58:49,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684655631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:58:49,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:58:49,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 01:58:49,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130685936] [2024-11-12 01:58:49,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:58:49,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 01:58:49,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 01:58:49,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 01:58:49,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:58:49,700 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 01:58:49,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:58:49,733 INFO L93 Difference]: Finished difference Result 119 states and 203 transitions. [2024-11-12 01:58:49,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 01:58:49,735 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 125 [2024-11-12 01:58:49,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:58:49,743 INFO L225 Difference]: With dead ends: 119 [2024-11-12 01:58:49,743 INFO L226 Difference]: Without dead ends: 59 [2024-11-12 01:58:49,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:58:49,751 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:58:49,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:58:49,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-12 01:58:49,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-12 01:58:49,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 01:58:49,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2024-11-12 01:58:49,798 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 125 [2024-11-12 01:58:49,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:58:49,798 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2024-11-12 01:58:49,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 01:58:49,799 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-11-12 01:58:49,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-12 01:58:49,802 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:58:49,802 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 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] [2024-11-12 01:58:49,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-12 01:58:50,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 01:58:50,004 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:58:50,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:58:50,005 INFO L85 PathProgramCache]: Analyzing trace with hash 80062753, now seen corresponding path program 1 times [2024-11-12 01:58:50,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 01:58:50,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645276581] [2024-11-12 01:58:50,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:58:50,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 01:58:50,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 01:58:50,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 01:58:50,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-12 01:58:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:50,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 01:58:50,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 01:58:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 354 proven. 30 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-12 01:58:50,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 01:58:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-12 01:58:50,735 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 01:58:50,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645276581] [2024-11-12 01:58:50,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1645276581] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 01:58:50,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 01:58:50,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-12 01:58:50,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821044051] [2024-11-12 01:58:50,736 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 01:58:50,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 01:58:50,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 01:58:50,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 01:58:50,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 01:58:50,740 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-12 01:58:51,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:58:51,159 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2024-11-12 01:58:51,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 01:58:51,170 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 126 [2024-11-12 01:58:51,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:58:51,172 INFO L225 Difference]: With dead ends: 121 [2024-11-12 01:58:51,173 INFO L226 Difference]: Without dead ends: 65 [2024-11-12 01:58:51,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 244 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:58:51,174 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 88 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 01:58:51,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 128 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 01:58:51,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-12 01:58:51,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 61. [2024-11-12 01:58:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 39 states have internal predecessors, (46), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 01:58:51,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2024-11-12 01:58:51,187 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 126 [2024-11-12 01:58:51,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:58:51,188 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2024-11-12 01:58:51,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-12 01:58:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2024-11-12 01:58:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-12 01:58:51,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:58:51,193 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 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] [2024-11-12 01:58:51,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-12 01:58:51,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 01:58:51,395 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:58:51,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:58:51,396 INFO L85 PathProgramCache]: Analyzing trace with hash 781127331, now seen corresponding path program 1 times [2024-11-12 01:58:51,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 01:58:51,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080907360] [2024-11-12 01:58:51,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:58:51,397 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 01:58:51,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 01:58:51,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 01:58:51,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-12 01:58:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:51,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 01:58:51,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 01:58:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 01:58:51,618 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 01:58:51,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 01:58:51,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080907360] [2024-11-12 01:58:51,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080907360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:58:51,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:58:51,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:58:51,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125514384] [2024-11-12 01:58:51,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:58:51,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:58:51,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 01:58:51,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:58:51,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:58:51,621 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 01:58:51,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:58:51,701 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2024-11-12 01:58:51,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:58:51,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 126 [2024-11-12 01:58:51,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:58:51,713 INFO L225 Difference]: With dead ends: 119 [2024-11-12 01:58:51,713 INFO L226 Difference]: Without dead ends: 61 [2024-11-12 01:58:51,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:58:51,715 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:58:51,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 01:58:51,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-12 01:58:51,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-12 01:58:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 39 states have internal predecessors, (45), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 01:58:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 83 transitions. [2024-11-12 01:58:51,725 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 83 transitions. Word has length 126 [2024-11-12 01:58:51,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:58:51,725 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 83 transitions. [2024-11-12 01:58:51,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 01:58:51,726 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2024-11-12 01:58:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-12 01:58:51,727 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:58:51,728 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 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] [2024-11-12 01:58:51,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-12 01:58:51,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 01:58:51,929 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:58:51,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:58:51,930 INFO L85 PathProgramCache]: Analyzing trace with hash -28219295, now seen corresponding path program 1 times [2024-11-12 01:58:51,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 01:58:51,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515421743] [2024-11-12 01:58:51,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:58:51,931 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 01:58:51,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 01:58:51,935 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 01:58:51,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-12 01:58:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:58:52,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-12 01:58:52,189 INFO L279 TraceCheckSpWp]: Computing forward predicates...