./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/AllInterval-007.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/xcsp/AllInterval-007.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79ad480fc17f59cc4e46ec2dbc023b5da3460c72b3c8ca1cc6dbc35a93f8cf64 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 06:36:11,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 06:36:11,504 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 06:36:11,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 06:36:11,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 06:36:11,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 06:36:11,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 06:36:11,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 06:36:11,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 06:36:11,537 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 06:36:11,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 06:36:11,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 06:36:11,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 06:36:11,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 06:36:11,537 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 06:36:11,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 06:36:11,538 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 06:36:11,538 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 06:36:11,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 06:36:11,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 06:36:11,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 06:36:11,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 06:36:11,539 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 06:36:11,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 06:36:11,539 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 06:36:11,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 06:36:11,539 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 06:36:11,539 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 06:36:11,539 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 06:36:11,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 06:36:11,539 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79ad480fc17f59cc4e46ec2dbc023b5da3460c72b3c8ca1cc6dbc35a93f8cf64 [2025-03-08 06:36:11,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 06:36:11,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 06:36:11,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 06:36:11,825 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 06:36:11,825 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 06:36:11,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-007.c [2025-03-08 06:36:12,940 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/939cdd2da/219a463d5b7c49049ff23e5ba62e9f4c/FLAG24e310ed4 [2025-03-08 06:36:13,169 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 06:36:13,171 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-007.c [2025-03-08 06:36:13,176 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/939cdd2da/219a463d5b7c49049ff23e5ba62e9f4c/FLAG24e310ed4 [2025-03-08 06:36:13,186 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/939cdd2da/219a463d5b7c49049ff23e5ba62e9f4c [2025-03-08 06:36:13,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 06:36:13,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 06:36:13,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 06:36:13,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 06:36:13,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 06:36:13,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a4ab68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13, skipping insertion in model container [2025-03-08 06:36:13,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 06:36:13,333 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-007.c[3690,3703] [2025-03-08 06:36:13,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 06:36:13,343 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 06:36:13,360 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-007.c[3690,3703] [2025-03-08 06:36:13,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 06:36:13,372 INFO L204 MainTranslator]: Completed translation [2025-03-08 06:36:13,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13 WrapperNode [2025-03-08 06:36:13,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 06:36:13,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 06:36:13,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 06:36:13,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 06:36:13,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,413 INFO L138 Inliner]: procedures = 13, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 162 [2025-03-08 06:36:13,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 06:36:13,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 06:36:13,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 06:36:13,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 06:36:13,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,423 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,431 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]. [2025-03-08 06:36:13,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,434 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 06:36:13,438 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 06:36:13,438 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 06:36:13,438 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 06:36:13,439 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13" (1/1) ... [2025-03-08 06:36:13,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 06:36:13,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:36:13,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 06:36:13,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 06:36:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 06:36:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 06:36:13,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 06:36:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 06:36:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2025-03-08 06:36:13,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2025-03-08 06:36:13,527 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 06:36:13,528 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 06:36:13,703 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-03-08 06:36:13,703 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 06:36:13,712 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 06:36:13,712 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 06:36:13,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:36:13 BoogieIcfgContainer [2025-03-08 06:36:13,713 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 06:36:13,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 06:36:13,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 06:36:13,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 06:36:13,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:36:13" (1/3) ... [2025-03-08 06:36:13,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a289a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:36:13, skipping insertion in model container [2025-03-08 06:36:13,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:36:13" (2/3) ... [2025-03-08 06:36:13,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a289a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:36:13, skipping insertion in model container [2025-03-08 06:36:13,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:36:13" (3/3) ... [2025-03-08 06:36:13,720 INFO L128 eAbstractionObserver]: Analyzing ICFG AllInterval-007.c [2025-03-08 06:36:13,730 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 06:36:13,732 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AllInterval-007.c that has 2 procedures, 98 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-08 06:36:13,778 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 06:36:13,790 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;@57e8682d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 06:36:13,791 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 06:36:13,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-03-08 06:36:13,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2025-03-08 06:36:13,807 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:36:13,808 INFO L218 NwaCegarLoop]: trace histogram [68, 68, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:36:13,808 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:36:13,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:36:13,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1731865675, now seen corresponding path program 1 times [2025-03-08 06:36:13,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:36:13,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40408288] [2025-03-08 06:36:13,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:36:13,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:36:13,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 362 statements into 1 equivalence classes. [2025-03-08 06:36:13,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 362 of 362 statements. [2025-03-08 06:36:13,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:36:13,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:36:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 9112 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 8978 trivial. 0 not checked. [2025-03-08 06:36:14,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:36:14,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40408288] [2025-03-08 06:36:14,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40408288] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 06:36:14,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396719553] [2025-03-08 06:36:14,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:36:14,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:36:14,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:36:14,125 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 06:36:14,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 06:36:14,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 362 statements into 1 equivalence classes. [2025-03-08 06:36:14,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 362 of 362 statements. [2025-03-08 06:36:14,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:36:14,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:36:14,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 06:36:14,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 06:36:14,372 INFO L134 CoverageAnalysis]: Checked inductivity of 9112 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 8978 trivial. 0 not checked. [2025-03-08 06:36:14,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 06:36:14,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396719553] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 06:36:14,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 06:36:14,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 06:36:14,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781653074] [2025-03-08 06:36:14,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 06:36:14,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 06:36:14,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 06:36:14,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 06:36:14,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 06:36:14,400 INFO L87 Difference]: Start difference. First operand has 98 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 2 states have call successors, (68) [2025-03-08 06:36:14,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 06:36:14,424 INFO L93 Difference]: Finished difference Result 190 states and 392 transitions. [2025-03-08 06:36:14,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 06:36:14,425 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 2 states have call successors, (68) Word has length 362 [2025-03-08 06:36:14,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 06:36:14,430 INFO L225 Difference]: With dead ends: 190 [2025-03-08 06:36:14,430 INFO L226 Difference]: Without dead ends: 95 [2025-03-08 06:36:14,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 06:36:14,436 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 06:36:14,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 06:36:14,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-03-08 06:36:14,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2025-03-08 06:36:14,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 25 states have (on average 1.0) internal successors, (25), 25 states have internal predecessors, (25), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-03-08 06:36:14,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 161 transitions. [2025-03-08 06:36:14,489 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 161 transitions. Word has length 362 [2025-03-08 06:36:14,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 06:36:14,489 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 161 transitions. [2025-03-08 06:36:14,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 2 states have call successors, (68) [2025-03-08 06:36:14,489 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 161 transitions. [2025-03-08 06:36:14,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2025-03-08 06:36:14,496 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:36:14,496 INFO L218 NwaCegarLoop]: trace histogram [68, 68, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 06:36:14,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 06:36:14,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 06:36:14,698 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:36:14,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:36:14,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1423490417, now seen corresponding path program 1 times [2025-03-08 06:36:14,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:36:14,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227110930] [2025-03-08 06:36:14,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:36:14,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:36:14,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 362 statements into 1 equivalence classes. [2025-03-08 06:36:15,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 362 of 362 statements. [2025-03-08 06:36:15,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:36:15,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 06:36:15,079 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 06:36:15,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 362 statements into 1 equivalence classes. [2025-03-08 06:36:15,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 362 of 362 statements. [2025-03-08 06:36:15,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:36:15,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 06:36:15,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 06:36:15,499 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 06:36:15,500 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 06:36:15,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 06:36:15,503 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 06:36:15,577 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 06:36:15,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 06:36:15 BoogieIcfgContainer [2025-03-08 06:36:15,580 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 06:36:15,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 06:36:15,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 06:36:15,581 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 06:36:15,582 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:36:13" (3/4) ... [2025-03-08 06:36:15,582 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-08 06:36:15,692 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 205. [2025-03-08 06:36:15,790 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 06:36:15,790 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 06:36:15,791 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 06:36:15,794 INFO L158 Benchmark]: Toolchain (without parser) took 2602.79ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 52.3MB in the end (delta: 59.4MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2025-03-08 06:36:15,794 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 06:36:15,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.26ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 99.5MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 06:36:15,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.23ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 98.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 06:36:15,794 INFO L158 Benchmark]: Boogie Preprocessor took 23.12ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 06:36:15,794 INFO L158 Benchmark]: IcfgBuilder took 274.70ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 78.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 06:36:15,795 INFO L158 Benchmark]: TraceAbstraction took 1865.82ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 69.5MB in the end (delta: 8.7MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2025-03-08 06:36:15,795 INFO L158 Benchmark]: Witness Printer took 209.79ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 52.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 06:36:15,796 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.26ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 99.5MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.23ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 98.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.12ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 274.70ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 78.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1865.82ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 69.5MB in the end (delta: 8.7MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Witness Printer took 209.79ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 52.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. 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 - CounterExampleResult [Line: 135]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L29] CALL assume(var0 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L29] RET assume(var0 >= 0) VAL [var0=3] [L30] CALL assume(var0 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L30] RET assume(var0 <= 6) VAL [var0=3] [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L33] CALL assume(var1 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L33] RET assume(var1 >= 0) VAL [var0=3, var1=1] [L34] CALL assume(var1 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L34] RET assume(var1 <= 6) VAL [var0=3, var1=1] [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L37] CALL assume(var2 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L37] RET assume(var2 >= 0) VAL [var0=3, var1=1, var2=6] [L38] CALL assume(var2 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L38] RET assume(var2 <= 6) VAL [var0=3, var1=1, var2=6] [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L41] CALL assume(var3 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L41] RET assume(var3 >= 0) VAL [var0=3, var1=1, var2=6, var3=0] [L42] CALL assume(var3 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L42] RET assume(var3 <= 6) VAL [var0=3, var1=1, var2=6, var3=0] [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L45] CALL assume(var4 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L45] RET assume(var4 >= 0) VAL [var0=3, var1=1, var2=6, var3=0, var4=4] [L46] CALL assume(var4 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L46] RET assume(var4 <= 6) VAL [var0=3, var1=1, var2=6, var3=0, var4=4] [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L49] CALL assume(var5 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L49] RET assume(var5 >= 0) VAL [var0=3, var1=1, var2=6, var3=0, var4=4, var5=5] [L50] CALL assume(var5 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L50] RET assume(var5 <= 6) VAL [var0=3, var1=1, var2=6, var3=0, var4=4, var5=5] [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L53] CALL assume(var6 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L53] RET assume(var6 >= 0) VAL [var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2] [L54] CALL assume(var6 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L54] RET assume(var6 <= 6) VAL [var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2] [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L57] CALL assume(var7 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L57] RET assume(var7 >= 1) VAL [var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2] [L58] CALL assume(var7 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L58] RET assume(var7 <= 6) VAL [var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2] [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L61] CALL assume(var8 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L61] RET assume(var8 >= 1) VAL [var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5] [L62] CALL assume(var8 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L62] RET assume(var8 <= 6) VAL [var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5] [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L65] CALL assume(var9 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L65] RET assume(var9 >= 1) VAL [var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L66] CALL assume(var9 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L66] RET assume(var9 <= 6) VAL [var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L69] CALL assume(var10 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L69] RET assume(var10 >= 1) VAL [var0=3, var10=4, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L70] CALL assume(var10 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L70] RET assume(var10 <= 6) VAL [var0=3, var10=4, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L71] int var11; [L72] var11 = __VERIFIER_nondet_int() [L73] CALL assume(var11 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L73] RET assume(var11 >= 1) VAL [var0=3, var10=4, var11=1, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L74] CALL assume(var11 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L74] RET assume(var11 <= 6) VAL [var0=3, var10=4, var11=1, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L75] int var12; [L76] var12 = __VERIFIER_nondet_int() [L77] CALL assume(var12 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L77] RET assume(var12 >= 1) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L78] CALL assume(var12 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L78] RET assume(var12 <= 6) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L79] int myvar0 = 1; VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L80] CALL assume(var0 != var1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L80] RET assume(var0 != var1) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L81] CALL assume(var0 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L81] RET assume(var0 != var2) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L82] CALL assume(var0 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L82] RET assume(var0 != var3) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L83] CALL assume(var0 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L83] RET assume(var0 != var4) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L84] CALL assume(var0 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L84] RET assume(var0 != var5) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L85] CALL assume(var0 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L85] RET assume(var0 != var6) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L86] CALL assume(var1 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L86] RET assume(var1 != var2) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L87] CALL assume(var1 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L87] RET assume(var1 != var3) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L88] CALL assume(var1 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L88] RET assume(var1 != var4) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L89] CALL assume(var1 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L89] RET assume(var1 != var5) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L90] CALL assume(var1 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L90] RET assume(var1 != var6) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L91] CALL assume(var2 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L91] RET assume(var2 != var3) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L92] CALL assume(var2 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L92] RET assume(var2 != var4) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L93] CALL assume(var2 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L93] RET assume(var2 != var5) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L94] CALL assume(var2 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L94] RET assume(var2 != var6) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L95] CALL assume(var3 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L95] RET assume(var3 != var4) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L96] CALL assume(var3 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L96] RET assume(var3 != var5) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L97] CALL assume(var3 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L97] RET assume(var3 != var6) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L98] CALL assume(var4 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L98] RET assume(var4 != var5) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L99] CALL assume(var4 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L99] RET assume(var4 != var6) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L100] CALL assume(var5 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L100] RET assume(var5 != var6) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L101] CALL assume(var7 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L101] RET assume(var7 != var8) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L102] CALL assume(var7 != var9) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L102] RET assume(var7 != var9) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L103] CALL assume(var7 != var10) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L103] RET assume(var7 != var10) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L104] CALL assume(var7 != var11) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L104] RET assume(var7 != var11) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L105] CALL assume(var7 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L105] RET assume(var7 != var12) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L106] CALL assume(var8 != var9) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L106] RET assume(var8 != var9) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L107] CALL assume(var8 != var10) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L107] RET assume(var8 != var10) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L108] CALL assume(var8 != var11) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L108] RET assume(var8 != var11) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L109] CALL assume(var8 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L109] RET assume(var8 != var12) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L110] CALL assume(var9 != var10) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L110] RET assume(var9 != var10) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L111] CALL assume(var9 != var11) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L111] RET assume(var9 != var11) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L112] CALL assume(var9 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L112] RET assume(var9 != var12) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L113] CALL assume(var10 != var11) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L113] RET assume(var10 != var11) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L114] CALL assume(var10 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L114] RET assume(var10 != var12) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L115] CALL assume(var11 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L115] RET assume(var11 != var12) VAL [var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L116] int var_for_abs; [L117] var_for_abs = var0 - var1 [L118] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=2] [L119] CALL assume(var7 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L119] RET assume(var7 == var_for_abs) VAL [var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=2] [L120] var_for_abs = var1 - var2 [L121] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var10=4, var11=1, var12=3, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=5] [L122] CALL assume(var8 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L122] RET assume(var8 == var_for_abs) VAL [var10=4, var11=1, var12=3, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=5] [L123] var_for_abs = var2 - var3 [L124] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var10=4, var11=1, var12=3, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=6] [L125] CALL assume(var9 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L125] RET assume(var9 == var_for_abs) VAL [var10=4, var11=1, var12=3, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=6] [L126] var_for_abs = var3 - var4 [L127] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var10=4, var11=1, var12=3, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=4] [L128] CALL assume(var10 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L128] RET assume(var10 == var_for_abs) VAL [var10=4, var11=1, var12=3, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=4] [L129] var_for_abs = var4 - var5 [L130] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var10=4, var11=1, var12=3, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=1] [L131] CALL assume(var11 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L131] RET assume(var11 == var_for_abs) VAL [var10=4, var11=1, var12=3, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=1] [L132] var_for_abs = var5 - var6 [L133] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var10=4, var11=1, var12=3, var7=2, var8=5, var9=6, var_for_abs=3] [L134] CALL assume(var12 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L134] RET assume(var12 == var_for_abs) VAL [var10=4, var11=1, var12=3, var7=2, var8=5, var9=6, var_for_abs=3] [L135] reach_error() VAL [var10=4, var11=1, var12=3, var7=2, var8=5, var9=6, var_for_abs=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 98 locations, 233 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 68, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 161 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 363 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 1086 NumberOfCodeBlocks, 1086 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 722 SizeOfPredicates, 0 NumberOfNonLiveVariables, 676 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 18090/18224 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-03-08 06:36:15,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE