./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_codestructure_normal_file-30.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_codestructure_normal_file-30.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 552b13618f2386da274168de8e30ff0529ac5ed23541c18f07ea90cf7d0b9e92 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 07:19:36,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 07:19:36,586 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 07:19:36,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 07:19:36,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 07:19:36,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 07:19:36,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 07:19:36,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 07:19:36,620 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 07:19:36,621 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 07:19:36,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 07:19:36,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 07:19:36,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 07:19:36,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 07:19:36,623 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 07:19:36,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 07:19:36,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 07:19:36,624 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 07:19:36,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 07:19:36,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 07:19:36,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 07:19:36,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 07:19:36,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 07:19:36,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 07:19:36,630 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 07:19:36,631 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 07:19:36,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 07:19:36,631 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 07:19:36,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 07:19:36,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 07:19:36,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 07:19:36,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 07:19:36,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:19:36,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 07:19:36,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 07:19:36,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 07:19:36,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 07:19:36,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 07:19:36,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 07:19:36,634 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 07:19:36,635 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 07:19:36,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 07:19:36,635 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 552b13618f2386da274168de8e30ff0529ac5ed23541c18f07ea90cf7d0b9e92 [2024-10-11 07:19:36,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 07:19:36,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 07:19:36,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 07:19:36,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 07:19:36,924 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 07:19:36,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i [2024-10-11 07:19:38,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 07:19:38,488 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 07:19:38,488 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i [2024-10-11 07:19:38,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/bd2abe560/f55c4a78472f4b77b48832ee20de28ba/FLAGad2df9406 [2024-10-11 07:19:38,517 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/bd2abe560/f55c4a78472f4b77b48832ee20de28ba [2024-10-11 07:19:38,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 07:19:38,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 07:19:38,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 07:19:38,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 07:19:38,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 07:19:38,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1938b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38, skipping insertion in model container [2024-10-11 07:19:38,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 07:19:38,719 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_codestructure_normal_file-30.i[913,926] [2024-10-11 07:19:38,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:19:38,783 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 07:19:38,793 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_codestructure_normal_file-30.i[913,926] [2024-10-11 07:19:38,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:19:38,831 INFO L204 MainTranslator]: Completed translation [2024-10-11 07:19:38,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38 WrapperNode [2024-10-11 07:19:38,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 07:19:38,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 07:19:38,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 07:19:38,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 07:19:38,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,878 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2024-10-11 07:19:38,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 07:19:38,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 07:19:38,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 07:19:38,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 07:19:38,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,891 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,904 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 07:19:38,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 07:19:38,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 07:19:38,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 07:19:38,929 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 07:19:38,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38" (1/1) ... [2024-10-11 07:19:38,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:19:38,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:19:38,976 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 07:19:38,983 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 07:19:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 07:19:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 07:19:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 07:19:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 07:19:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 07:19:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 07:19:39,130 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 07:19:39,132 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 07:19:39,476 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-11 07:19:39,476 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 07:19:39,522 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 07:19:39,523 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 07:19:39,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:19:39 BoogieIcfgContainer [2024-10-11 07:19:39,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 07:19:39,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 07:19:39,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 07:19:39,530 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 07:19:39,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:19:38" (1/3) ... [2024-10-11 07:19:39,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632b7e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:19:39, skipping insertion in model container [2024-10-11 07:19:39,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:38" (2/3) ... [2024-10-11 07:19:39,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632b7e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:19:39, skipping insertion in model container [2024-10-11 07:19:39,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:19:39" (3/3) ... [2024-10-11 07:19:39,535 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-30.i [2024-10-11 07:19:39,548 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 07:19:39,548 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 07:19:39,602 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 07:19:39,608 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;@5037674d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 07:19:39,608 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 07:19:39,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 44 states have (on average 1.5227272727272727) internal successors, (67), 45 states have internal predecessors, (67), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 07:19:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-11 07:19:39,627 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:19:39,628 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:39,629 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:19:39,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:19:39,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1847633091, now seen corresponding path program 1 times [2024-10-11 07:19:39,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:19:39,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660369278] [2024-10-11 07:19:39,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:19:39,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:19:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:39,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:19:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:39,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:19:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:39,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:19:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:39,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:19:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:39,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:19:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:39,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:19:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:39,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:19:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:39,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:19:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:19:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 07:19:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 07:19:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 07:19:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 07:19:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 07:19:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 07:19:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 07:19:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 07:19:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 07:19:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 07:19:40,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:19:40,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660369278] [2024-10-11 07:19:40,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660369278] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:19:40,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:19:40,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 07:19:40,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355483552] [2024-10-11 07:19:40,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:19:40,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 07:19:40,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:19:40,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 07:19:40,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 07:19:40,130 INFO L87 Difference]: Start difference. First operand has 65 states, 44 states have (on average 1.5227272727272727) internal successors, (67), 45 states have internal predecessors, (67), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 07:19:40,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:19:40,166 INFO L93 Difference]: Finished difference Result 127 states and 222 transitions. [2024-10-11 07:19:40,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 07:19:40,170 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2024-10-11 07:19:40,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:19:40,180 INFO L225 Difference]: With dead ends: 127 [2024-10-11 07:19:40,180 INFO L226 Difference]: Without dead ends: 63 [2024-10-11 07:19:40,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 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 07:19:40,190 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 07:19:40,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:19:40,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-11 07:19:40,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-10-11 07:19:40,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 43 states have (on average 1.441860465116279) internal successors, (62), 43 states have internal predecessors, (62), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 07:19:40,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 98 transitions. [2024-10-11 07:19:40,246 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 98 transitions. Word has length 117 [2024-10-11 07:19:40,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:19:40,246 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 98 transitions. [2024-10-11 07:19:40,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 07:19:40,247 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2024-10-11 07:19:40,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-11 07:19:40,253 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:19:40,253 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:40,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 07:19:40,254 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:19:40,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:19:40,255 INFO L85 PathProgramCache]: Analyzing trace with hash 810477257, now seen corresponding path program 1 times [2024-10-11 07:19:40,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:19:40,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463221097] [2024-10-11 07:19:40,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:19:40,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:19:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:19:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:19:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:19:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:19:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:19:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:19:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:19:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:19:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:19:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 07:19:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 07:19:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 07:19:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 07:19:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 07:19:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 07:19:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 07:19:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 07:19:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 07:19:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:40,995 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-10-11 07:19:40,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:19:40,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463221097] [2024-10-11 07:19:40,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463221097] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 07:19:41,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899938330] [2024-10-11 07:19:41,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:19:41,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 07:19:41,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:19:41,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 07:19:41,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 07:19:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:41,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 07:19:41,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 07:19:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 248 proven. 72 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-10-11 07:19:41,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 07:19:42,050 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-10-11 07:19:42,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899938330] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 07:19:42,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 07:19:42,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 13 [2024-10-11 07:19:42,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641210678] [2024-10-11 07:19:42,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 07:19:42,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 07:19:42,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:19:42,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 07:19:42,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-11 07:19:42,057 INFO L87 Difference]: Start difference. First operand 63 states and 98 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-10-11 07:19:42,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:19:42,789 INFO L93 Difference]: Finished difference Result 183 states and 274 transitions. [2024-10-11 07:19:42,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 07:19:42,790 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 117 [2024-10-11 07:19:42,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:19:42,793 INFO L225 Difference]: With dead ends: 183 [2024-10-11 07:19:42,793 INFO L226 Difference]: Without dead ends: 121 [2024-10-11 07:19:42,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 263 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2024-10-11 07:19:42,795 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 339 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 07:19:42,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 341 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 07:19:42,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-11 07:19:42,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 105. [2024-10-11 07:19:42,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 79 states have internal predecessors, (109), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 07:19:42,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 153 transitions. [2024-10-11 07:19:42,825 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 153 transitions. Word has length 117 [2024-10-11 07:19:42,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:19:42,826 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 153 transitions. [2024-10-11 07:19:42,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-10-11 07:19:42,826 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 153 transitions. [2024-10-11 07:19:42,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-11 07:19:42,828 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:19:42,829 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:42,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 07:19:43,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 07:19:43,033 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:19:43,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:19:43,034 INFO L85 PathProgramCache]: Analyzing trace with hash 301377440, now seen corresponding path program 1 times [2024-10-11 07:19:43,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:19:43,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883127143] [2024-10-11 07:19:43,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:19:43,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:19:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:19:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:19:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:19:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:19:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:19:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:19:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:19:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:19:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:19:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 07:19:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 07:19:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 07:19:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 07:19:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 07:19:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 07:19:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 07:19:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 07:19:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 07:19:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:43,268 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 07:19:43,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:19:43,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883127143] [2024-10-11 07:19:43,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883127143] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:19:43,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:19:43,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 07:19:43,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295157013] [2024-10-11 07:19:43,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:19:43,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 07:19:43,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:19:43,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 07:19:43,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:19:43,271 INFO L87 Difference]: Start difference. First operand 105 states and 153 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-11 07:19:43,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:19:43,380 INFO L93 Difference]: Finished difference Result 236 states and 344 transitions. [2024-10-11 07:19:43,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 07:19:43,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 119 [2024-10-11 07:19:43,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:19:43,384 INFO L225 Difference]: With dead ends: 236 [2024-10-11 07:19:43,384 INFO L226 Difference]: Without dead ends: 132 [2024-10-11 07:19:43,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:19:43,386 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 98 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:19:43,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 266 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 07:19:43,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-10-11 07:19:43,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 116. [2024-10-11 07:19:43,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 07:19:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 171 transitions. [2024-10-11 07:19:43,408 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 171 transitions. Word has length 119 [2024-10-11 07:19:43,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:19:43,409 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 171 transitions. [2024-10-11 07:19:43,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-11 07:19:43,409 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 171 transitions. [2024-10-11 07:19:43,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-11 07:19:43,411 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:19:43,411 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:43,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 07:19:43,411 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:19:43,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:19:43,412 INFO L85 PathProgramCache]: Analyzing trace with hash -978486238, now seen corresponding path program 1 times [2024-10-11 07:19:43,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:19:43,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718864695] [2024-10-11 07:19:43,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:19:43,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:19:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 07:19:43,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 07:19:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 07:19:43,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 07:19:43,559 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 07:19:43,560 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 07:19:43,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 07:19:43,566 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-11 07:19:43,663 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 07:19:43,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:19:43 BoogieIcfgContainer [2024-10-11 07:19:43,666 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 07:19:43,667 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 07:19:43,667 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 07:19:43,667 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 07:19:43,668 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:19:39" (3/4) ... [2024-10-11 07:19:43,670 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 07:19:43,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 07:19:43,672 INFO L158 Benchmark]: Toolchain (without parser) took 5149.91ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 100.1MB in the beginning and 91.2MB in the end (delta: 8.9MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2024-10-11 07:19:43,672 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 169.9MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 07:19:43,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.32ms. Allocated memory is still 169.9MB. Free memory was 99.9MB in the beginning and 85.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 07:19:43,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.62ms. Allocated memory is still 169.9MB. Free memory was 85.1MB in the beginning and 82.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 07:19:43,673 INFO L158 Benchmark]: Boogie Preprocessor took 49.08ms. Allocated memory is still 169.9MB. Free memory was 82.8MB in the beginning and 80.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 07:19:43,673 INFO L158 Benchmark]: RCFGBuilder took 595.14ms. Allocated memory is still 169.9MB. Free memory was 80.2MB in the beginning and 125.9MB in the end (delta: -45.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-10-11 07:19:43,674 INFO L158 Benchmark]: TraceAbstraction took 4140.00ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 125.3MB in the beginning and 91.2MB in the end (delta: 34.1MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. [2024-10-11 07:19:43,674 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 230.7MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 07:19:43,676 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 169.9MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.32ms. Allocated memory is still 169.9MB. Free memory was 99.9MB in the beginning and 85.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.62ms. Allocated memory is still 169.9MB. Free memory was 85.1MB in the beginning and 82.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.08ms. Allocated memory is still 169.9MB. Free memory was 82.8MB in the beginning and 80.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 595.14ms. Allocated memory is still 169.9MB. Free memory was 80.2MB in the beginning and 125.9MB in the end (delta: -45.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4140.00ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 125.3MB in the beginning and 91.2MB in the end (delta: 34.1MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 230.7MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryArithmeticDOUBLEoperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed short int var_1_2 = -256; [L24] signed long int var_1_3 = 256; [L25] unsigned char var_1_4 = 0; [L26] double var_1_5 = 127.5; [L27] unsigned char var_1_6 = 0; [L28] double var_1_7 = 10000000000000.125; [L29] double var_1_8 = 1.25; [L30] double var_1_9 = 4.125; [L31] double var_1_10 = 25.7; [L32] signed long int var_1_11 = -2; [L33] double var_1_12 = 49.75; [L34] signed long int var_1_13 = 5; [L35] signed long int var_1_14 = 128; [L36] signed long int var_1_15 = 1000; [L37] double var_1_16 = 0.2; [L38] double var_1_17 = 0.25; [L39] double var_1_18 = 99999999999999.5; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] FCALL updateLastVariables() [L135] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_2 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L94] RET assume_abort_if_not(var_1_2 >= -32768) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L95] CALL assume_abort_if_not(var_1_2 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L95] RET assume_abort_if_not(var_1_2 <= 32767) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L96] var_1_3 = __VERIFIER_nondet_long() [L97] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L97] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L98] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L98] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L99] var_1_4 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L100] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L101] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L101] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L102] var_1_6 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L103] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L104] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L104] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L105] var_1_7 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && 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=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4, var_1_9=33/8] [L106] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4, var_1_9=33/8] [L107] var_1_9 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L108] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L109] var_1_10 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L110] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L111] var_1_12 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L112] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L113] var_1_13 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L114] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L115] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L115] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L116] var_1_14 = __VERIFIER_nondet_long() [L117] CALL assume_abort_if_not(var_1_14 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L117] RET assume_abort_if_not(var_1_14 >= -2147483647) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L118] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L118] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L119] var_1_17 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L120] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L121] var_1_18 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L122] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L135] RET updateVariables() [L136] CALL step() [L43] COND FALSE !((var_1_2 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= var_1_3) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L46] COND TRUE \read(var_1_1) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_8=5/4] [L47] COND FALSE !(var_1_2 >= var_1_3) [L52] var_1_5 = var_1_7 VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=0, var_1_7=100000000000005, var_1_8=5/4] [L55] COND FALSE !(10.55f < var_1_5) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=0, var_1_7=100000000000005, var_1_8=5/4] [L60] COND TRUE var_1_5 > var_1_7 [L61] var_1_8 = var_1_10 VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=0, var_1_7=100000000000005, var_1_8=100000000000004] [L66] COND TRUE \read(var_1_1) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=0, var_1_7=100000000000005, var_1_8=100000000000004] [L67] COND TRUE ((((var_1_9) > (49.75)) ? (var_1_9) : (49.75))) > var_1_12 [L68] var_1_11 = ((((var_1_2) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (var_1_2) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=0, var_1_7=100000000000005, var_1_8=100000000000004] [L73] EXPR var_1_3 & var_1_13 VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=0, var_1_7=100000000000005, var_1_8=100000000000004] [L73] COND FALSE !((- var_1_2) > (var_1_3 & var_1_13)) [L84] var_1_15 = var_1_13 VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=0, var_1_7=100000000000005, var_1_8=100000000000004] [L86] COND TRUE ((((var_1_12) < (var_1_5)) ? (var_1_12) : (var_1_5))) >= var_1_7 [L87] var_1_16 = (var_1_17 + (var_1_18 + 16.75)) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=0, var_1_7=100000000000005, var_1_8=100000000000004] [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR ((((((var_1_2 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= var_1_3) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_2 >= var_1_3) ? ((var_1_6 || (var_1_2 < var_1_3)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_5) ? ((var_1_5 > (var_1_7 * var_1_9)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_5 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (var_1_1 ? ((((((var_1_9) > (49.75)) ? (var_1_9) : (49.75))) > var_1_12) ? (var_1_11 == ((signed long int) ((((var_1_2) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (var_1_2) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) var_1_2)))) && (((- var_1_2) > (var_1_3 & var_1_13)) ? ((var_1_2 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13))) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=0, var_1_7=100000000000005, var_1_8=100000000000004] [L127-L128] return (((((((var_1_2 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= var_1_3) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_2 >= var_1_3) ? ((var_1_6 || (var_1_2 < var_1_3)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_5) ? ((var_1_5 > (var_1_7 * var_1_9)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_5 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (var_1_1 ? ((((((var_1_9) > (49.75)) ? (var_1_9) : (49.75))) > var_1_12) ? (var_1_11 == ((signed long int) ((((var_1_2) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (var_1_2) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) var_1_2)))) && (((- var_1_2) > (var_1_3 & var_1_13)) ? ((var_1_2 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))) && ((((((var_1_12) < (var_1_5)) ? (var_1_12) : (var_1_5))) >= var_1_7) ? (var_1_16 == ((double) (var_1_17 + (var_1_18 + 16.75)))) : (var_1_16 == ((double) var_1_17))) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=0, var_1_7=100000000000005, var_1_8=100000000000004] [L19] reach_error() VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=0, var_1_7=100000000000005, var_1_8=100000000000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 438 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 437 mSDsluCounter, 702 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 430 mSDsCounter, 121 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 447 IncrementalHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 121 mSolverCounterUnsat, 272 mSDtfsCounter, 447 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 389 GetRequests, 357 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=3, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 32 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 589 NumberOfCodeBlocks, 589 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 582 ConstructedInterpolants, 0 QuantifiedInterpolants, 2140 SizeOfPredicates, 3 NumberOfNonLiveVariables, 267 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 2910/3060 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 07:19:43,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_codestructure_normal_file-30.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 552b13618f2386da274168de8e30ff0529ac5ed23541c18f07ea90cf7d0b9e92 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 07:19:45,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 07:19:46,074 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 07:19:46,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 07:19:46,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 07:19:46,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 07:19:46,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 07:19:46,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 07:19:46,132 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 07:19:46,134 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 07:19:46,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 07:19:46,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 07:19:46,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 07:19:46,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 07:19:46,136 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 07:19:46,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 07:19:46,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 07:19:46,137 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 07:19:46,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 07:19:46,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 07:19:46,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 07:19:46,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 07:19:46,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 07:19:46,142 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 07:19:46,142 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 07:19:46,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 07:19:46,142 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 07:19:46,142 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 07:19:46,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 07:19:46,143 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 07:19:46,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 07:19:46,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 07:19:46,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 07:19:46,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 07:19:46,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:19:46,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 07:19:46,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 07:19:46,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 07:19:46,145 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 07:19:46,145 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 07:19:46,146 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 07:19:46,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 07:19:46,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 07:19:46,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 07:19:46,148 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 07:19:46,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 552b13618f2386da274168de8e30ff0529ac5ed23541c18f07ea90cf7d0b9e92 [2024-10-11 07:19:46,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 07:19:46,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 07:19:46,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 07:19:46,533 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 07:19:46,534 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 07:19:46,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i [2024-10-11 07:19:48,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 07:19:48,333 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 07:19:48,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i [2024-10-11 07:19:48,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ba1e7c84d/b74f1fdf29cf42d1a767de95e08015c2/FLAG97c0caebe [2024-10-11 07:19:48,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ba1e7c84d/b74f1fdf29cf42d1a767de95e08015c2 [2024-10-11 07:19:48,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 07:19:48,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 07:19:48,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 07:19:48,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 07:19:48,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 07:19:48,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c52abb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48, skipping insertion in model container [2024-10-11 07:19:48,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,400 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 07:19:48,593 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_codestructure_normal_file-30.i[913,926] [2024-10-11 07:19:48,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:19:48,685 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 07:19:48,700 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_codestructure_normal_file-30.i[913,926] [2024-10-11 07:19:48,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:19:48,752 INFO L204 MainTranslator]: Completed translation [2024-10-11 07:19:48,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48 WrapperNode [2024-10-11 07:19:48,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 07:19:48,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 07:19:48,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 07:19:48,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 07:19:48,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,818 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-10-11 07:19:48,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 07:19:48,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 07:19:48,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 07:19:48,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 07:19:48,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,835 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,856 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 07:19:48,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 07:19:48,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 07:19:48,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 07:19:48,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 07:19:48,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48" (1/1) ... [2024-10-11 07:19:48,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:19:48,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:19:48,940 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 07:19:48,944 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 07:19:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 07:19:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 07:19:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 07:19:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 07:19:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 07:19:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 07:19:49,082 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 07:19:49,084 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 07:19:55,822 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-11 07:19:55,822 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 07:19:55,875 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 07:19:55,875 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 07:19:55,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:19:55 BoogieIcfgContainer [2024-10-11 07:19:55,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 07:19:55,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 07:19:55,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 07:19:55,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 07:19:55,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:19:48" (1/3) ... [2024-10-11 07:19:55,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1897c394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:19:55, skipping insertion in model container [2024-10-11 07:19:55,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:19:48" (2/3) ... [2024-10-11 07:19:55,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1897c394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:19:55, skipping insertion in model container [2024-10-11 07:19:55,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:19:55" (3/3) ... [2024-10-11 07:19:55,885 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-30.i [2024-10-11 07:19:55,902 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 07:19:55,903 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 07:19:55,975 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 07:19:55,983 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;@28769b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 07:19:55,984 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 07:19:55,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.5142857142857142) internal successors, (53), 36 states have internal predecessors, (53), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 07:19:56,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-11 07:19:56,002 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:19:56,004 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:56,004 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:19:56,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:19:56,011 INFO L85 PathProgramCache]: Analyzing trace with hash 341585577, now seen corresponding path program 1 times [2024-10-11 07:19:56,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 07:19:56,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901932216] [2024-10-11 07:19:56,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:19:56,027 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 07:19:56,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 07:19:56,050 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 07:19:56,053 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 07:19:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:19:56,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 07:19:56,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 07:19:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-10-11 07:19:56,550 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 07:19:56,551 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 07:19:56,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [901932216] [2024-10-11 07:19:56,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [901932216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:19:56,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:19:56,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 07:19:56,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612420412] [2024-10-11 07:19:56,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:19:56,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 07:19:56,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 07:19:56,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 07:19:56,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 07:19:56,590 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.5142857142857142) internal successors, (53), 36 states have internal predecessors, (53), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 07:20:00,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 07:20:00,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:20:00,741 INFO L93 Difference]: Finished difference Result 109 states and 194 transitions. [2024-10-11 07:20:00,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 07:20:00,785 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2024-10-11 07:20:00,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:20:00,792 INFO L225 Difference]: With dead ends: 109 [2024-10-11 07:20:00,792 INFO L226 Difference]: Without dead ends: 54 [2024-10-11 07:20:00,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 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 07:20:00,797 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:20:00,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-10-11 07:20:00,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-11 07:20:00,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-11 07:20:00,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 07:20:00,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 84 transitions. [2024-10-11 07:20:00,842 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 84 transitions. Word has length 114 [2024-10-11 07:20:00,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:20:00,843 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 84 transitions. [2024-10-11 07:20:00,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 07:20:00,844 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-10-11 07:20:00,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-11 07:20:00,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:20:00,847 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:00,865 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 (2)] Ended with exit code 0 [2024-10-11 07:20:01,048 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 07:20:01,048 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:20:01,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:20:01,049 INFO L85 PathProgramCache]: Analyzing trace with hash 302460573, now seen corresponding path program 1 times [2024-10-11 07:20:01,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 07:20:01,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2019012041] [2024-10-11 07:20:01,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:20:01,050 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 07:20:01,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 07:20:01,053 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 07:20:01,054 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 07:20:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:20:01,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 07:20:01,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 07:20:04,156 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 248 proven. 72 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-10-11 07:20:04,157 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 07:20:05,521 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-10-11 07:20:05,522 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 07:20:05,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2019012041] [2024-10-11 07:20:05,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2019012041] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 07:20:05,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 07:20:05,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-10-11 07:20:05,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495902623] [2024-10-11 07:20:05,523 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 07:20:05,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 07:20:05,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 07:20:05,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 07:20:05,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-11 07:20:05,527 INFO L87 Difference]: Start difference. First operand 54 states and 84 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-10-11 07:20:11,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 07:20:14,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 07:20:14,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:20:14,813 INFO L93 Difference]: Finished difference Result 126 states and 188 transitions. [2024-10-11 07:20:14,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 07:20:14,814 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 114 [2024-10-11 07:20:14,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:20:14,817 INFO L225 Difference]: With dead ends: 126 [2024-10-11 07:20:14,817 INFO L226 Difference]: Without dead ends: 73 [2024-10-11 07:20:14,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 217 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2024-10-11 07:20:14,819 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 110 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-10-11 07:20:14,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 150 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 168 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2024-10-11 07:20:14,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-11 07:20:14,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 68. [2024-10-11 07:20:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 43 states have internal predecessors, (53), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 07:20:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 97 transitions. [2024-10-11 07:20:14,840 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 97 transitions. Word has length 114 [2024-10-11 07:20:14,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:20:14,841 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 97 transitions. [2024-10-11 07:20:14,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-10-11 07:20:14,842 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2024-10-11 07:20:14,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-11 07:20:14,845 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:20:14,846 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:14,867 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 07:20:15,046 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 07:20:15,047 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:20:15,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:20:15,048 INFO L85 PathProgramCache]: Analyzing trace with hash 995345702, now seen corresponding path program 1 times [2024-10-11 07:20:15,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 07:20:15,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1214066002] [2024-10-11 07:20:15,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:20:15,049 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 07:20:15,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 07:20:15,052 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 07:20:15,055 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 07:20:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:20:15,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 07:20:15,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 07:20:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 07:20:15,536 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 07:20:15,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 07:20:15,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1214066002] [2024-10-11 07:20:15,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1214066002] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:20:15,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:20:15,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 07:20:15,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689170800] [2024-10-11 07:20:15,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:20:15,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 07:20:15,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 07:20:15,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 07:20:15,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:20:15,543 INFO L87 Difference]: Start difference. First operand 68 states and 97 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-11 07:20:19,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 07:20:24,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 07:20:25,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 07:20:27,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 07:20:31,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 07:20:36,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 07:20:36,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:20:36,522 INFO L93 Difference]: Finished difference Result 168 states and 234 transitions. [2024-10-11 07:20:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 07:20:36,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 116 [2024-10-11 07:20:36,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:20:36,533 INFO L225 Difference]: With dead ends: 168 [2024-10-11 07:20:36,533 INFO L226 Difference]: Without dead ends: 107 [2024-10-11 07:20:36,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:20:36,535 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 42 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2024-10-11 07:20:36,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 160 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 2 Unknown, 0 Unchecked, 21.0s Time] [2024-10-11 07:20:36,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-11 07:20:36,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104. [2024-10-11 07:20:36,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 69 states have internal predecessors, (85), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 07:20:36,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 145 transitions. [2024-10-11 07:20:36,554 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 145 transitions. Word has length 116 [2024-10-11 07:20:36,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:20:36,555 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 145 transitions. [2024-10-11 07:20:36,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-11 07:20:36,556 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 145 transitions. [2024-10-11 07:20:36,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-11 07:20:36,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:20:36,557 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:36,580 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 (4)] Forceful destruction successful, exit code 0 [2024-10-11 07:20:36,758 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 07:20:36,759 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:20:36,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:20:36,759 INFO L85 PathProgramCache]: Analyzing trace with hash 185999076, now seen corresponding path program 1 times [2024-10-11 07:20:36,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 07:20:36,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704160750] [2024-10-11 07:20:36,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:20:36,763 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 07:20:36,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 07:20:36,766 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 07:20:36,768 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 07:20:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:20:37,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-11 07:20:37,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 07:20:59,543 WARN L286 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)