./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-27.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-27.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 e79123d310ccbbfae3d8263279cae4e31c01266f439645cd8009b4db2afa383c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 10:32:15,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 10:32:15,051 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 10:32:15,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 10:32:15,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 10:32:15,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 10:32:15,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 10:32:15,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 10:32:15,088 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 10:32:15,089 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 10:32:15,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 10:32:15,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 10:32:15,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 10:32:15,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 10:32:15,092 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 10:32:15,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 10:32:15,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 10:32:15,092 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 10:32:15,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 10:32:15,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 10:32:15,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 10:32:15,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 10:32:15,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 10:32:15,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 10:32:15,097 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 10:32:15,097 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 10:32:15,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 10:32:15,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 10:32:15,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 10:32:15,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 10:32:15,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 10:32:15,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 10:32:15,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:32:15,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 10:32:15,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 10:32:15,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 10:32:15,099 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 10:32:15,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 10:32:15,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 10:32:15,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 10:32:15,100 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 10:32:15,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 10:32:15,101 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e79123d310ccbbfae3d8263279cae4e31c01266f439645cd8009b4db2afa383c [2024-10-11 10:32:15,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 10:32:15,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 10:32:15,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 10:32:15,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 10:32:15,350 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 10:32:15,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-27.i [2024-10-11 10:32:16,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 10:32:17,000 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 10:32:17,001 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-27.i [2024-10-11 10:32:17,013 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d7e30c6fa/d91c4d88831b42dfbd3e456302decb66/FLAG335993e3f [2024-10-11 10:32:17,028 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d7e30c6fa/d91c4d88831b42dfbd3e456302decb66 [2024-10-11 10:32:17,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 10:32:17,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 10:32:17,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 10:32:17,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 10:32:17,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 10:32:17,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617d273c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17, skipping insertion in model container [2024-10-11 10:32:17,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 10:32:17,215 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-27.i[913,926] [2024-10-11 10:32:17,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:32:17,296 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 10:32:17,307 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-27.i[913,926] [2024-10-11 10:32:17,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:32:17,347 INFO L204 MainTranslator]: Completed translation [2024-10-11 10:32:17,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17 WrapperNode [2024-10-11 10:32:17,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 10:32:17,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 10:32:17,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 10:32:17,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 10:32:17,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,397 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2024-10-11 10:32:17,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 10:32:17,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 10:32:17,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 10:32:17,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 10:32:17,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,411 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,423 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 10:32:17,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 10:32:17,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 10:32:17,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 10:32:17,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 10:32:17,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17" (1/1) ... [2024-10-11 10:32:17,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:32:17,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:32:17,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 10:32:17,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 10:32:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 10:32:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 10:32:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 10:32:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 10:32:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 10:32:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 10:32:17,603 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 10:32:17,604 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 10:32:17,922 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-11 10:32:17,922 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 10:32:17,958 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 10:32:17,959 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 10:32:17,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:32:17 BoogieIcfgContainer [2024-10-11 10:32:17,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 10:32:17,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 10:32:17,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 10:32:17,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 10:32:17,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:32:17" (1/3) ... [2024-10-11 10:32:17,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d690ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:32:17, skipping insertion in model container [2024-10-11 10:32:17,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:17" (2/3) ... [2024-10-11 10:32:17,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d690ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:32:17, skipping insertion in model container [2024-10-11 10:32:17,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:32:17" (3/3) ... [2024-10-11 10:32:17,966 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-27.i [2024-10-11 10:32:17,981 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 10:32:17,981 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 10:32:18,050 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 10:32:18,057 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;@6ac2c2ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 10:32:18,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 10:32:18,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 42 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 10:32:18,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-11 10:32:18,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:32:18,071 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:32:18,072 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:32:18,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:32:18,076 INFO L85 PathProgramCache]: Analyzing trace with hash -718201147, now seen corresponding path program 1 times [2024-10-11 10:32:18,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:32:18,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910133895] [2024-10-11 10:32:18,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:32:18,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:32:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:32:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:32:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:32:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:32:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:32:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 10:32:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 10:32:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 10:32:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 10:32:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 10:32:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 10:32:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 10:32:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 10:32:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 10:32:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 10:32:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 10:32:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 10:32:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 10:32:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 10:32:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 10:32:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 10:32:18,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:32:18,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910133895] [2024-10-11 10:32:18,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910133895] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:32:18,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:32:18,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:32:18,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723200599] [2024-10-11 10:32:18,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:32:18,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:32:18,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:32:18,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:32:18,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:32:18,864 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 42 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 10:32:18,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:32:18,991 INFO L93 Difference]: Finished difference Result 186 states and 333 transitions. [2024-10-11 10:32:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:32:18,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127 [2024-10-11 10:32:18,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:32:19,001 INFO L225 Difference]: With dead ends: 186 [2024-10-11 10:32:19,001 INFO L226 Difference]: Without dead ends: 123 [2024-10-11 10:32:19,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:32:19,009 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 50 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:32:19,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 254 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:32:19,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-11 10:32:19,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 119. [2024-10-11 10:32:19,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 76 states have (on average 1.3157894736842106) internal successors, (100), 76 states have internal predecessors, (100), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 10:32:19,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 180 transitions. [2024-10-11 10:32:19,065 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 180 transitions. Word has length 127 [2024-10-11 10:32:19,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:32:19,066 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 180 transitions. [2024-10-11 10:32:19,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 10:32:19,066 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 180 transitions. [2024-10-11 10:32:19,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-11 10:32:19,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:32:19,069 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:32:19,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 10:32:19,069 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:32:19,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:32:19,070 INFO L85 PathProgramCache]: Analyzing trace with hash 2084301009, now seen corresponding path program 1 times [2024-10-11 10:32:19,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:32:19,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841327697] [2024-10-11 10:32:19,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:32:19,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:32:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:32:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:32:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:32:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:32:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:32:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 10:32:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 10:32:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 10:32:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 10:32:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 10:32:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 10:32:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 10:32:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 10:32:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 10:32:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 10:32:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 10:32:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 10:32:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 10:32:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 10:32:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 10:32:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:19,401 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 10:32:19,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:32:19,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841327697] [2024-10-11 10:32:19,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841327697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:32:19,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:32:19,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:32:19,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76403101] [2024-10-11 10:32:19,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:32:19,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:32:19,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:32:19,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:32:19,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:32:19,408 INFO L87 Difference]: Start difference. First operand 119 states and 180 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 10:32:19,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:32:19,547 INFO L93 Difference]: Finished difference Result 239 states and 363 transitions. [2024-10-11 10:32:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:32:19,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2024-10-11 10:32:19,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:32:19,553 INFO L225 Difference]: With dead ends: 239 [2024-10-11 10:32:19,553 INFO L226 Difference]: Without dead ends: 121 [2024-10-11 10:32:19,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:32:19,560 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 92 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:32:19,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 122 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:32:19,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-11 10:32:19,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-10-11 10:32:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 78 states have (on average 1.3076923076923077) internal successors, (102), 78 states have internal predecessors, (102), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 10:32:19,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 182 transitions. [2024-10-11 10:32:19,598 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 182 transitions. Word has length 128 [2024-10-11 10:32:19,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:32:19,599 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 182 transitions. [2024-10-11 10:32:19,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 10:32:19,600 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 182 transitions. [2024-10-11 10:32:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-11 10:32:19,604 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:32:19,605 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:32:19,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 10:32:19,605 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:32:19,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:32:19,605 INFO L85 PathProgramCache]: Analyzing trace with hash 257657297, now seen corresponding path program 1 times [2024-10-11 10:32:19,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:32:19,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492395949] [2024-10-11 10:32:19,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:32:19,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:32:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 10:32:19,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 10:32:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 10:32:19,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 10:32:19,941 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 10:32:19,942 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 10:32:19,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 10:32:19,946 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 10:32:20,039 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 10:32:20,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 10:32:20 BoogieIcfgContainer [2024-10-11 10:32:20,043 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 10:32:20,043 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 10:32:20,044 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 10:32:20,044 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 10:32:20,045 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:32:17" (3/4) ... [2024-10-11 10:32:20,047 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 10:32:20,048 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 10:32:20,051 INFO L158 Benchmark]: Toolchain (without parser) took 3017.25ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 81.9MB in the beginning and 150.5MB in the end (delta: -68.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 10:32:20,051 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 10:32:20,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.44ms. Allocated memory is still 155.2MB. Free memory was 81.7MB in the beginning and 66.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 10:32:20,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.23ms. Allocated memory is still 155.2MB. Free memory was 66.4MB in the beginning and 63.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 10:32:20,054 INFO L158 Benchmark]: Boogie Preprocessor took 43.51ms. Allocated memory is still 155.2MB. Free memory was 63.6MB in the beginning and 59.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 10:32:20,055 INFO L158 Benchmark]: RCFGBuilder took 516.45ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 59.9MB in the beginning and 161.5MB in the end (delta: -101.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-11 10:32:20,055 INFO L158 Benchmark]: TraceAbstraction took 2082.12ms. Allocated memory is still 203.4MB. Free memory was 160.5MB in the beginning and 151.5MB in the end (delta: 9.0MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. [2024-10-11 10:32:20,055 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 203.4MB. Free memory was 151.5MB in the beginning and 150.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 10:32:20,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.44ms. Allocated memory is still 155.2MB. Free memory was 81.7MB in the beginning and 66.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.23ms. Allocated memory is still 155.2MB. Free memory was 66.4MB in the beginning and 63.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.51ms. Allocated memory is still 155.2MB. Free memory was 63.6MB in the beginning and 59.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 516.45ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 59.9MB in the beginning and 161.5MB in the end (delta: -101.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2082.12ms. Allocated memory is still 203.4MB. Free memory was 160.5MB in the beginning and 151.5MB in the end (delta: 9.0MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 203.4MB. Free memory was 151.5MB in the beginning and 150.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 125, overapproximation of someBinaryArithmeticFLOAToperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.9; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 31.5; [L26] float var_1_5 = 25.4; [L27] float var_1_6 = 9.5; [L28] float var_1_7 = 63.2; [L29] unsigned long int var_1_8 = 1; [L30] signed short int var_1_10 = -50; [L31] unsigned long int var_1_11 = 8; [L32] unsigned char var_1_12 = 32; [L33] float var_1_13 = 15.625; [L34] unsigned char var_1_14 = 1; [L35] unsigned char var_1_15 = 0; [L36] unsigned char var_1_16 = 1; [L37] unsigned char var_1_17 = 1; [L38] unsigned char var_1_19 = 0; [L39] unsigned char var_1_20 = 8; [L40] unsigned short int var_1_21 = 16; [L41] unsigned short int var_1_22 = 128; [L129] isInitial = 1 [L130] FCALL initially() [L131] COND TRUE 1 [L132] FCALL updateLastVariables() [L133] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L90] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L91] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L91] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L92] var_1_3 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L93] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L94] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L94] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L95] var_1_4 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L96] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L97] var_1_5 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L98] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L99] var_1_6 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_7=316/5, var_1_8=1] [L100] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_7=316/5, var_1_8=1] [L101] var_1_7 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L102] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L103] var_1_11 = __VERIFIER_nondet_ulong() [L104] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L104] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L105] CALL assume_abort_if_not(var_1_11 <= 33) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L105] RET assume_abort_if_not(var_1_11 <= 33) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L106] var_1_13 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L107] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L108] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L108] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L109] var_1_15 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L110] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L111] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L111] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L112] var_1_16 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L113] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L114] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L114] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L115] var_1_17 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L116] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L117] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L117] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L118] var_1_19 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L119] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L120] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L120] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L133] RET updateVariables() [L134] CALL step() [L45] COND TRUE var_1_6 == (var_1_4 / var_1_13) [L46] var_1_12 = var_1_11 VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L48] var_1_20 = var_1_11 [L49] var_1_21 = 8 VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L50] EXPR 2u >> var_1_11 VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L50] COND TRUE (var_1_21 + var_1_12) > (2u >> var_1_11) [L51] COND TRUE var_1_12 != var_1_21 [L52] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L57] COND FALSE !(! var_1_2) VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L68] unsigned char stepLocal_1 = var_1_14; [L69] unsigned char stepLocal_0 = var_1_14; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L70] COND TRUE var_1_14 || stepLocal_0 VAL [isInitial=1, stepLocal_1=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L71] COND TRUE stepLocal_1 || var_1_14 [L72] var_1_1 = (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7) VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L79] COND FALSE !(var_1_6 > (- var_1_7)) [L84] var_1_8 = var_1_20 VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=0] [L86] var_1_22 = var_1_8 [L134] RET step() [L135] CALL, EXPR property() [L125] EXPR (((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1) VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=4294967296, var_1_21=8, var_1_22=0, var_1_2=1, var_1_3=1, var_1_8=0] [L125-L126] return ((((((((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1)) && ((var_1_6 == (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned char) var_1_11)) : 1)) && ((! var_1_2) ? ((var_1_2 || var_1_3) ? (var_1_14 == ((unsigned char) ((! (! var_1_15)) && (var_1_16 && var_1_17)))) : ((((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))) >= var_1_21) ? (var_1_14 == ((unsigned char) (var_1_2 || var_1_16))) : (var_1_14 == ((unsigned char) (! var_1_19))))) : 1)) && (var_1_20 == ((unsigned char) var_1_11))) && (var_1_21 == ((unsigned short int) 8))) && (var_1_22 == ((unsigned short int) var_1_8)) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=4294967296, var_1_21=8, var_1_22=0, var_1_2=1, var_1_3=1, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=4294967296, var_1_21=8, var_1_22=0, var_1_2=1, var_1_3=1, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 376 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 206 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 170 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=2, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1520/1520 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 [2024-10-11 10:32:20,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-27.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 e79123d310ccbbfae3d8263279cae4e31c01266f439645cd8009b4db2afa383c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 10:32:22,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 10:32:22,213 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 10:32:22,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 10:32:22,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 10:32:22,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 10:32:22,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 10:32:22,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 10:32:22,257 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 10:32:22,258 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 10:32:22,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 10:32:22,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 10:32:22,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 10:32:22,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 10:32:22,260 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 10:32:22,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 10:32:22,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 10:32:22,262 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 10:32:22,262 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 10:32:22,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 10:32:22,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 10:32:22,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 10:32:22,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 10:32:22,266 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 10:32:22,266 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 10:32:22,266 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 10:32:22,266 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 10:32:22,267 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 10:32:22,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 10:32:22,267 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 10:32:22,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 10:32:22,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 10:32:22,268 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 10:32:22,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 10:32:22,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:32:22,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 10:32:22,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 10:32:22,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 10:32:22,270 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 10:32:22,270 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 10:32:22,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 10:32:22,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 10:32:22,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 10:32:22,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 10:32:22,271 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 10:32:22,271 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e79123d310ccbbfae3d8263279cae4e31c01266f439645cd8009b4db2afa383c [2024-10-11 10:32:22,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 10:32:22,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 10:32:22,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 10:32:22,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 10:32:22,599 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 10:32:22,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-27.i [2024-10-11 10:32:24,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 10:32:24,290 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 10:32:24,291 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-27.i [2024-10-11 10:32:24,300 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f00e6767e/60776caa927e49bea49e789e494d05b3/FLAG3bbd5dc27 [2024-10-11 10:32:24,666 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f00e6767e/60776caa927e49bea49e789e494d05b3 [2024-10-11 10:32:24,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 10:32:24,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 10:32:24,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 10:32:24,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 10:32:24,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 10:32:24,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:32:24" (1/1) ... [2024-10-11 10:32:24,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b522ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:24, skipping insertion in model container [2024-10-11 10:32:24,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:32:24" (1/1) ... [2024-10-11 10:32:24,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 10:32:24,895 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-27.i[913,926] [2024-10-11 10:32:24,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:32:24,965 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 10:32:24,977 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-27.i[913,926] [2024-10-11 10:32:25,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:32:25,029 INFO L204 MainTranslator]: Completed translation [2024-10-11 10:32:25,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25 WrapperNode [2024-10-11 10:32:25,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 10:32:25,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 10:32:25,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 10:32:25,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 10:32:25,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25" (1/1) ... [2024-10-11 10:32:25,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25" (1/1) ... [2024-10-11 10:32:25,081 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-10-11 10:32:25,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 10:32:25,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 10:32:25,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 10:32:25,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 10:32:25,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25" (1/1) ... [2024-10-11 10:32:25,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25" (1/1) ... [2024-10-11 10:32:25,096 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25" (1/1) ... [2024-10-11 10:32:25,113 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 10:32:25,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25" (1/1) ... [2024-10-11 10:32:25,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25" (1/1) ... [2024-10-11 10:32:25,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25" (1/1) ... [2024-10-11 10:32:25,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25" (1/1) ... [2024-10-11 10:32:25,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25" (1/1) ... [2024-10-11 10:32:25,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25" (1/1) ... [2024-10-11 10:32:25,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 10:32:25,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 10:32:25,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 10:32:25,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 10:32:25,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25" (1/1) ... [2024-10-11 10:32:25,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:32:25,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:32:25,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 10:32:25,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 10:32:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 10:32:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 10:32:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 10:32:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 10:32:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 10:32:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 10:32:25,311 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 10:32:25,313 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 10:32:31,285 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-11 10:32:31,286 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 10:32:31,351 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 10:32:31,352 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 10:32:31,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:32:31 BoogieIcfgContainer [2024-10-11 10:32:31,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 10:32:31,355 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 10:32:31,355 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 10:32:31,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 10:32:31,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:32:24" (1/3) ... [2024-10-11 10:32:31,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717bd4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:32:31, skipping insertion in model container [2024-10-11 10:32:31,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:25" (2/3) ... [2024-10-11 10:32:31,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717bd4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:32:31, skipping insertion in model container [2024-10-11 10:32:31,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:32:31" (3/3) ... [2024-10-11 10:32:31,362 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-27.i [2024-10-11 10:32:31,375 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 10:32:31,376 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 10:32:31,435 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 10:32:31,443 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;@76b311e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 10:32:31,443 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 10:32:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 10:32:31,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 10:32:31,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:32:31,461 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:32:31,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:32:31,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:32:31,468 INFO L85 PathProgramCache]: Analyzing trace with hash 123817539, now seen corresponding path program 1 times [2024-10-11 10:32:31,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 10:32:31,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970654767] [2024-10-11 10:32:31,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:32:31,480 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 [2024-10-11 10:32:31,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 10:32:31,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 10:32:31,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 10:32:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:31,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 10:32:31,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 10:32:31,904 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-10-11 10:32:31,905 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 10:32:31,905 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 10:32:31,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970654767] [2024-10-11 10:32:31,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [970654767] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:32:31,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:32:31,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 10:32:31,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106200551] [2024-10-11 10:32:31,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:32:31,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 10:32:31,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 10:32:31,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 10:32:31,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:32:31,930 INFO L87 Difference]: Start difference. First operand has 57 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 10:32:33,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 10:32:33,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:32:33,663 INFO L93 Difference]: Finished difference Result 111 states and 196 transitions. [2024-10-11 10:32:33,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 10:32:33,694 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-10-11 10:32:33,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:32:33,700 INFO L225 Difference]: With dead ends: 111 [2024-10-11 10:32:33,700 INFO L226 Difference]: Without dead ends: 55 [2024-10-11 10:32:33,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:32:33,705 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 10:32:33,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 10:32:33,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-10-11 10:32:33,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-10-11 10:32:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 33 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 10:32:33,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 84 transitions. [2024-10-11 10:32:33,741 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 84 transitions. Word has length 124 [2024-10-11 10:32:33,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:32:33,742 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 84 transitions. [2024-10-11 10:32:33,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 10:32:33,742 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2024-10-11 10:32:33,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 10:32:33,744 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:32:33,744 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:32:33,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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)] Forceful destruction successful, exit code 0 [2024-10-11 10:32:33,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 10:32:33,949 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:32:33,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:32:33,950 INFO L85 PathProgramCache]: Analyzing trace with hash -341608901, now seen corresponding path program 1 times [2024-10-11 10:32:33,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 10:32:33,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1436826855] [2024-10-11 10:32:33,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:32:33,955 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 [2024-10-11 10:32:33,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 10:32:33,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/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) [2024-10-11 10:32:33,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 10:32:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:34,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 10:32:34,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 10:32:34,900 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-10-11 10:32:34,900 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 10:32:35,377 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 10:32:35,377 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 10:32:35,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1436826855] [2024-10-11 10:32:35,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1436826855] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 10:32:35,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 10:32:35,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-10-11 10:32:35,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502629349] [2024-10-11 10:32:35,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:32:35,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:32:35,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 10:32:35,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:32:35,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 10:32:35,389 INFO L87 Difference]: Start difference. First operand 55 states and 84 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 10:32:38,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 10:32:38,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:32:38,217 INFO L93 Difference]: Finished difference Result 113 states and 170 transitions. [2024-10-11 10:32:38,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:32:38,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 124 [2024-10-11 10:32:38,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:32:38,248 INFO L225 Difference]: With dead ends: 113 [2024-10-11 10:32:38,248 INFO L226 Difference]: Without dead ends: 59 [2024-10-11 10:32:38,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 10:32:38,250 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 48 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-11 10:32:38,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 107 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-11 10:32:38,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-11 10:32:38,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-10-11 10:32:38,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 10:32:38,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2024-10-11 10:32:38,275 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 124 [2024-10-11 10:32:38,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:32:38,276 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2024-10-11 10:32:38,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 10:32:38,276 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2024-10-11 10:32:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-11 10:32:38,277 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:32:38,278 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:32:38,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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)] Forceful destruction successful, exit code 0 [2024-10-11 10:32:38,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/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 [2024-10-11 10:32:38,483 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:32:38,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:32:38,483 INFO L85 PathProgramCache]: Analyzing trace with hash 2079370460, now seen corresponding path program 1 times [2024-10-11 10:32:38,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 10:32:38,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528606422] [2024-10-11 10:32:38,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:32:38,484 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 [2024-10-11 10:32:38,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 10:32:38,487 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/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) [2024-10-11 10:32:38,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 10:32:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:38,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 10:32:38,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 10:32:39,545 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 10:32:39,545 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 10:32:39,546 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 10:32:39,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528606422] [2024-10-11 10:32:39,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528606422] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:32:39,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:32:39,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:32:39,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776151701] [2024-10-11 10:32:39,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:32:39,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:32:39,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 10:32:39,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:32:39,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:32:39,548 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 10:32:42,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 10:32:42,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:32:42,330 INFO L93 Difference]: Finished difference Result 175 states and 256 transitions. [2024-10-11 10:32:42,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:32:42,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 125 [2024-10-11 10:32:42,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:32:42,333 INFO L225 Difference]: With dead ends: 175 [2024-10-11 10:32:42,333 INFO L226 Difference]: Without dead ends: 117 [2024-10-11 10:32:42,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:32:42,334 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 16 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-11 10:32:42,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 224 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-11 10:32:42,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-11 10:32:42,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 113. [2024-10-11 10:32:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 68 states have internal predecessors, (84), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 10:32:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 164 transitions. [2024-10-11 10:32:42,357 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 164 transitions. Word has length 125 [2024-10-11 10:32:42,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:32:42,358 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 164 transitions. [2024-10-11 10:32:42,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 10:32:42,358 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2024-10-11 10:32:42,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 10:32:42,362 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:32:42,362 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:32:42,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 10:32:42,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-clean/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 [2024-10-11 10:32:42,564 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:32:42,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:32:42,564 INFO L85 PathProgramCache]: Analyzing trace with hash -211015577, now seen corresponding path program 1 times [2024-10-11 10:32:42,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 10:32:42,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060461882] [2024-10-11 10:32:42,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:32:42,565 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 [2024-10-11 10:32:42,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 10:32:42,566 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/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) [2024-10-11 10:32:42,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 10:32:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:32:42,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 10:32:42,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 10:32:58,722 WARN L286 SmtUtils]: Spent 6.46s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-11 10:33:09,563 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 358 proven. 72 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-10-11 10:33:09,563 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 10:33:32,159 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 10:33:32,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060461882] [2024-10-11 10:33:32,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060461882] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 10:33:32,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [150756046] [2024-10-11 10:33:32,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:33:32,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-10-11 10:33:32,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/cvc4 [2024-10-11 10:33:32,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-10-11 10:33:32,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-10-11 10:33:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:33:33,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-11 10:33:33,074 INFO L278 TraceCheckSpWp]: Computing forward predicates...