./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 419067b5ad1c50d11f0cfbab5d6575c99441963cff6e7f0dfff88e7c41e5907f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 03:02:29,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 03:02:29,720 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 03:02:29,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 03:02:29,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 03:02:29,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 03:02:29,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 03:02:29,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 03:02:29,765 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 03:02:29,767 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 03:02:29,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 03:02:29,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 03:02:29,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 03:02:29,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 03:02:29,769 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 03:02:29,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 03:02:29,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 03:02:29,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 03:02:29,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 03:02:29,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 03:02:29,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 03:02:29,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 03:02:29,775 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 03:02:29,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 03:02:29,776 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 03:02:29,776 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 03:02:29,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 03:02:29,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 03:02:29,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 03:02:29,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 03:02:29,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 03:02:29,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 03:02:29,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 03:02:29,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 03:02:29,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 03:02:29,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 03:02:29,781 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 03:02:29,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 03:02:29,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 03:02:29,783 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 419067b5ad1c50d11f0cfbab5d6575c99441963cff6e7f0dfff88e7c41e5907f [2024-11-10 03:02:30,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 03:02:30,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 03:02:30,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 03:02:30,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 03:02:30,083 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 03:02:30,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c [2024-11-10 03:02:31,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 03:02:31,916 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 03:02:31,917 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c [2024-11-10 03:02:31,950 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf5de1b5/59abe9f041fd4c0f8f7f3e1abaebd2ed/FLAGedb79d977 [2024-11-10 03:02:32,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf5de1b5/59abe9f041fd4c0f8f7f3e1abaebd2ed [2024-11-10 03:02:32,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 03:02:32,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 03:02:32,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 03:02:32,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 03:02:32,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 03:02:32,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:02:32" (1/1) ... [2024-11-10 03:02:32,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a7d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:32, skipping insertion in model container [2024-11-10 03:02:32,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:02:32" (1/1) ... [2024-11-10 03:02:32,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 03:02:32,506 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/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c[1262,1275] [2024-11-10 03:02:32,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 03:02:32,883 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 03:02:32,893 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/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c[1262,1275] [2024-11-10 03:02:33,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 03:02:33,164 INFO L204 MainTranslator]: Completed translation [2024-11-10 03:02:33,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33 WrapperNode [2024-11-10 03:02:33,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 03:02:33,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 03:02:33,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 03:02:33,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 03:02:33,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33" (1/1) ... [2024-11-10 03:02:33,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33" (1/1) ... [2024-11-10 03:02:33,652 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3317 [2024-11-10 03:02:33,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 03:02:33,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 03:02:33,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 03:02:33,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 03:02:33,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33" (1/1) ... [2024-11-10 03:02:33,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33" (1/1) ... [2024-11-10 03:02:33,750 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33" (1/1) ... [2024-11-10 03:02:33,971 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 03:02:33,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33" (1/1) ... [2024-11-10 03:02:33,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33" (1/1) ... [2024-11-10 03:02:34,067 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33" (1/1) ... [2024-11-10 03:02:34,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33" (1/1) ... [2024-11-10 03:02:34,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33" (1/1) ... [2024-11-10 03:02:34,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33" (1/1) ... [2024-11-10 03:02:34,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 03:02:34,170 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 03:02:34,171 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 03:02:34,171 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 03:02:34,172 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33" (1/1) ... [2024-11-10 03:02:34,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 03:02:34,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:02:34,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 03:02:34,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 03:02:34,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 03:02:34,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 03:02:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 03:02:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 03:02:34,633 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 03:02:34,636 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 03:02:37,478 INFO L? ?]: Removed 2308 outVars from TransFormulas that were not future-live. [2024-11-10 03:02:37,479 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 03:02:37,609 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 03:02:37,610 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 03:02:37,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:02:37 BoogieIcfgContainer [2024-11-10 03:02:37,610 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 03:02:37,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 03:02:37,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 03:02:37,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 03:02:37,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:02:32" (1/3) ... [2024-11-10 03:02:37,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309e788c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:02:37, skipping insertion in model container [2024-11-10 03:02:37,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:33" (2/3) ... [2024-11-10 03:02:37,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309e788c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:02:37, skipping insertion in model container [2024-11-10 03:02:37,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:02:37" (3/3) ... [2024-11-10 03:02:37,621 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_bufferAlloc.c [2024-11-10 03:02:37,641 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 03:02:37,642 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 03:02:37,738 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 03:02:37,746 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;@77ada0a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 03:02:37,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 03:02:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 713 states, 711 states have (on average 1.4964838255977497) internal successors, (1064), 712 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:37,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 03:02:37,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:02:37,767 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:02:37,767 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:02:37,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:02:37,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1023627319, now seen corresponding path program 1 times [2024-11-10 03:02:37,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:02:37,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047513714] [2024-11-10 03:02:37,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:02:37,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:02:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:02:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 03:02:38,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:02:38,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047513714] [2024-11-10 03:02:38,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047513714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:02:38,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:02:38,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 03:02:38,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892602866] [2024-11-10 03:02:38,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:02:38,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 03:02:38,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:02:38,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 03:02:38,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 03:02:38,593 INFO L87 Difference]: Start difference. First operand has 713 states, 711 states have (on average 1.4964838255977497) internal successors, (1064), 712 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:39,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:02:39,120 INFO L93 Difference]: Finished difference Result 1341 states and 2005 transitions. [2024-11-10 03:02:39,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 03:02:39,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-10 03:02:39,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:02:39,146 INFO L225 Difference]: With dead ends: 1341 [2024-11-10 03:02:39,146 INFO L226 Difference]: Without dead ends: 710 [2024-11-10 03:02:39,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 03:02:39,161 INFO L432 NwaCegarLoop]: 881 mSDtfsCounter, 0 mSDsluCounter, 1757 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2638 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 03:02:39,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2638 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 03:02:39,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-10 03:02:39,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 710. [2024-11-10 03:02:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 709 states have (on average 1.4950634696755993) internal successors, (1060), 709 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 1060 transitions. [2024-11-10 03:02:39,254 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 1060 transitions. Word has length 52 [2024-11-10 03:02:39,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:02:39,255 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 1060 transitions. [2024-11-10 03:02:39,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:39,256 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1060 transitions. [2024-11-10 03:02:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 03:02:39,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:02:39,259 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:02:39,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 03:02:39,259 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:02:39,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:02:39,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1812730258, now seen corresponding path program 1 times [2024-11-10 03:02:39,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:02:39,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826673046] [2024-11-10 03:02:39,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:02:39,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:02:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:02:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 03:02:39,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:02:39,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826673046] [2024-11-10 03:02:39,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826673046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:02:39,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:02:39,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 03:02:39,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350340764] [2024-11-10 03:02:39,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:02:39,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 03:02:39,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:02:39,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 03:02:39,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 03:02:39,511 INFO L87 Difference]: Start difference. First operand 710 states and 1060 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:39,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:02:39,900 INFO L93 Difference]: Finished difference Result 1340 states and 2001 transitions. [2024-11-10 03:02:39,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 03:02:39,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2024-11-10 03:02:39,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:02:39,904 INFO L225 Difference]: With dead ends: 1340 [2024-11-10 03:02:39,904 INFO L226 Difference]: Without dead ends: 712 [2024-11-10 03:02:39,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 03:02:39,907 INFO L432 NwaCegarLoop]: 881 mSDtfsCounter, 0 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2635 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 03:02:39,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2635 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 03:02:39,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-10 03:02:39,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2024-11-10 03:02:39,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 711 states have (on average 1.4936708860759493) internal successors, (1062), 711 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:39,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1062 transitions. [2024-11-10 03:02:39,924 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1062 transitions. Word has length 53 [2024-11-10 03:02:39,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:02:39,924 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 1062 transitions. [2024-11-10 03:02:39,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:39,925 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1062 transitions. [2024-11-10 03:02:39,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 03:02:39,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:02:39,927 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:02:39,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 03:02:39,927 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:02:39,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:02:39,928 INFO L85 PathProgramCache]: Analyzing trace with hash 107307772, now seen corresponding path program 1 times [2024-11-10 03:02:39,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:02:39,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337090632] [2024-11-10 03:02:39,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:02:39,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:02:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:02:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 03:02:40,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:02:40,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337090632] [2024-11-10 03:02:40,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337090632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:02:40,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:02:40,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 03:02:40,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863378599] [2024-11-10 03:02:40,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:02:40,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 03:02:40,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:02:40,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 03:02:40,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 03:02:40,357 INFO L87 Difference]: Start difference. First operand 712 states and 1062 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:40,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:02:40,843 INFO L93 Difference]: Finished difference Result 1340 states and 2000 transitions. [2024-11-10 03:02:40,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 03:02:40,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-10 03:02:40,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:02:40,847 INFO L225 Difference]: With dead ends: 1340 [2024-11-10 03:02:40,847 INFO L226 Difference]: Without dead ends: 710 [2024-11-10 03:02:40,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 03:02:40,850 INFO L432 NwaCegarLoop]: 852 mSDtfsCounter, 1015 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 03:02:40,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1015 Valid, 1703 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 03:02:40,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-10 03:02:40,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 710. [2024-11-10 03:02:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 709 states have (on average 1.4922425952045133) internal successors, (1058), 709 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:40,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 1058 transitions. [2024-11-10 03:02:40,869 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 1058 transitions. Word has length 54 [2024-11-10 03:02:40,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:02:40,869 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 1058 transitions. [2024-11-10 03:02:40,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:40,870 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1058 transitions. [2024-11-10 03:02:40,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 03:02:40,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:02:40,873 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:02:40,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 03:02:40,874 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:02:40,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:02:40,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1549573555, now seen corresponding path program 1 times [2024-11-10 03:02:40,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:02:40,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348733839] [2024-11-10 03:02:40,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:02:40,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:02:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 03:02:40,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 03:02:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 03:02:41,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 03:02:41,034 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 03:02:41,035 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-10 03:02:41,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 03:02:41,043 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 03:02:41,126 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 03:02:41,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:02:41 BoogieIcfgContainer [2024-11-10 03:02:41,130 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 03:02:41,130 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 03:02:41,130 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 03:02:41,130 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 03:02:41,131 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:02:37" (3/4) ... [2024-11-10 03:02:41,136 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 03:02:41,137 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 03:02:41,138 INFO L158 Benchmark]: Toolchain (without parser) took 8969.07ms. Allocated memory was 163.6MB in the beginning and 515.9MB in the end (delta: 352.3MB). Free memory was 105.2MB in the beginning and 302.5MB in the end (delta: -197.3MB). Peak memory consumption was 155.4MB. Max. memory is 16.1GB. [2024-11-10 03:02:41,139 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 163.6MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 03:02:41,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 994.68ms. Allocated memory is still 163.6MB. Free memory was 105.2MB in the beginning and 107.1MB in the end (delta: -1.9MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2024-11-10 03:02:41,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 487.42ms. Allocated memory was 163.6MB in the beginning and 257.9MB in the end (delta: 94.4MB). Free memory was 107.1MB in the beginning and 164.6MB in the end (delta: -57.4MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2024-11-10 03:02:41,141 INFO L158 Benchmark]: Boogie Preprocessor took 514.98ms. Allocated memory is still 257.9MB. Free memory was 164.6MB in the beginning and 139.5MB in the end (delta: 25.1MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2024-11-10 03:02:41,142 INFO L158 Benchmark]: IcfgBuilder took 3440.12ms. Allocated memory was 257.9MB in the beginning and 515.9MB in the end (delta: 257.9MB). Free memory was 139.5MB in the beginning and 270.1MB in the end (delta: -130.7MB). Peak memory consumption was 152.6MB. Max. memory is 16.1GB. [2024-11-10 03:02:41,142 INFO L158 Benchmark]: TraceAbstraction took 3515.04ms. Allocated memory is still 515.9MB. Free memory was 269.1MB in the beginning and 302.5MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 03:02:41,142 INFO L158 Benchmark]: Witness Printer took 7.32ms. Allocated memory is still 515.9MB. Free memory is still 302.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 03:02:41,144 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 163.6MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 994.68ms. Allocated memory is still 163.6MB. Free memory was 105.2MB in the beginning and 107.1MB in the end (delta: -1.9MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 487.42ms. Allocated memory was 163.6MB in the beginning and 257.9MB in the end (delta: 94.4MB). Free memory was 107.1MB in the beginning and 164.6MB in the end (delta: -57.4MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 514.98ms. Allocated memory is still 257.9MB. Free memory was 164.6MB in the beginning and 139.5MB in the end (delta: 25.1MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * IcfgBuilder took 3440.12ms. Allocated memory was 257.9MB in the beginning and 515.9MB in the end (delta: 257.9MB). Free memory was 139.5MB in the beginning and 270.1MB in the end (delta: -130.7MB). Peak memory consumption was 152.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3515.04ms. Allocated memory is still 515.9MB. Free memory was 269.1MB in the beginning and 302.5MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.32ms. Allocated memory is still 515.9MB. Free memory is still 302.5MB. 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: 21]: 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 bitwiseAnd at line 151. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 4); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (4 - 1); [L32] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 5); [L33] const SORT_7 msb_SORT_7 = (SORT_7)1 << (5 - 1); [L35] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 32); [L36] const SORT_22 msb_SORT_22 = (SORT_22)1 << (32 - 1); [L38] const SORT_7 var_8 = 0; [L39] const SORT_7 var_11 = 16; [L40] const SORT_1 var_15 = 1; [L41] const SORT_1 var_19 = 0; [L42] const SORT_22 var_23 = 0; [L43] const SORT_22 var_24 = 15; [L44] const SORT_22 var_74 = 14; [L45] const SORT_22 var_92 = 13; [L46] const SORT_22 var_110 = 12; [L47] const SORT_22 var_128 = 11; [L48] const SORT_22 var_146 = 10; [L49] const SORT_22 var_164 = 9; [L50] const SORT_22 var_182 = 8; [L51] const SORT_22 var_200 = 7; [L52] const SORT_22 var_218 = 6; [L53] const SORT_22 var_236 = 5; [L54] const SORT_22 var_254 = 4; [L55] const SORT_22 var_272 = 3; [L56] const SORT_22 var_290 = 2; [L57] const SORT_22 var_308 = 1; [L58] const SORT_4 var_347 = 0; [L59] const SORT_22 var_351 = 16; [L61] SORT_1 input_2; [L62] SORT_1 input_3; [L63] SORT_4 input_5; [L64] SORT_1 input_6; [L65] SORT_1 input_386; [L66] SORT_4 input_388; [L67] SORT_1 input_404; [L68] SORT_4 input_408; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L70] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L71] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L72] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L73] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L74] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L75] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L76] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L77] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L78] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L79] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L80] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L81] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L82] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L83] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L84] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L85] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L86] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L87] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L88] SORT_1 state_345 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_8=0, var_92=13] [L89] SORT_4 state_348 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L91] SORT_7 init_10_arg_1 = var_8; [L92] state_9 = init_10_arg_1 [L93] SORT_1 init_21_arg_1 = var_19; [L94] state_20 = init_21_arg_1 [L95] SORT_1 init_26_arg_1 = var_19; [L96] state_25 = init_26_arg_1 [L97] SORT_1 init_28_arg_1 = var_19; [L98] state_27 = init_28_arg_1 [L99] SORT_1 init_31_arg_1 = var_19; [L100] state_30 = init_31_arg_1 [L101] SORT_1 init_33_arg_1 = var_19; [L102] state_32 = init_33_arg_1 [L103] SORT_1 init_37_arg_1 = var_19; [L104] state_36 = init_37_arg_1 [L105] SORT_1 init_39_arg_1 = var_19; [L106] state_38 = init_39_arg_1 [L107] SORT_1 init_42_arg_1 = var_19; [L108] state_41 = init_42_arg_1 [L109] SORT_1 init_44_arg_1 = var_19; [L110] state_43 = init_44_arg_1 [L111] SORT_1 init_49_arg_1 = var_19; [L112] state_48 = init_49_arg_1 [L113] SORT_1 init_51_arg_1 = var_19; [L114] state_50 = init_51_arg_1 [L115] SORT_1 init_54_arg_1 = var_19; [L116] state_53 = init_54_arg_1 [L117] SORT_1 init_56_arg_1 = var_19; [L118] state_55 = init_56_arg_1 [L119] SORT_1 init_60_arg_1 = var_19; [L120] state_59 = init_60_arg_1 [L121] SORT_1 init_62_arg_1 = var_19; [L122] state_61 = init_62_arg_1 [L123] SORT_1 init_65_arg_1 = var_19; [L124] state_64 = init_65_arg_1 [L125] SORT_1 init_67_arg_1 = var_19; [L126] state_66 = init_67_arg_1 [L127] SORT_1 init_346_arg_1 = var_19; [L128] state_345 = init_346_arg_1 [L129] SORT_4 init_349_arg_1 = var_347; [L130] state_348 = init_349_arg_1 VAL [mask_SORT_1=1, mask_SORT_7=31, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_345=0, state_348=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_92=13] [L133] input_2 = __VERIFIER_nondet_uchar() [L134] input_3 = __VERIFIER_nondet_uchar() [L135] input_5 = __VERIFIER_nondet_uchar() [L136] input_6 = __VERIFIER_nondet_uchar() [L137] EXPR input_6 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_7=31, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_345=0, state_348=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_92=13] [L137] input_6 = input_6 & mask_SORT_1 [L138] input_386 = __VERIFIER_nondet_uchar() [L139] input_388 = __VERIFIER_nondet_uchar() [L140] input_404 = __VERIFIER_nondet_uchar() [L141] input_408 = __VERIFIER_nondet_uchar() [L144] SORT_7 var_12_arg_0 = state_9; [L145] SORT_7 var_12_arg_1 = var_11; [L146] SORT_1 var_12 = var_12_arg_0 <= var_12_arg_1; [L147] SORT_1 var_16_arg_0 = var_12; [L148] SORT_1 var_16 = ~var_16_arg_0; [L149] SORT_1 var_17_arg_0 = var_15; [L150] SORT_1 var_17_arg_1 = var_16; VAL [input_6=0, mask_SORT_1=1, mask_SORT_7=31, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_345=0, state_348=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_17_arg_0=1, var_17_arg_1=-2, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_92=13] [L151] EXPR var_17_arg_0 & var_17_arg_1 VAL [input_6=0, mask_SORT_1=1, mask_SORT_7=31, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_345=0, state_348=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_92=13] [L151] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L152] EXPR var_17 & mask_SORT_1 VAL [input_6=0, mask_SORT_1=1, mask_SORT_7=31, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_345=0, state_348=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_347=0, var_351=16, var_74=14, var_92=13] [L152] var_17 = var_17 & mask_SORT_1 [L153] SORT_1 bad_18_arg_0 = var_17; [L154] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 713 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1015 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1015 mSDsluCounter, 6976 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4362 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1480 IncrementalHoareTripleChecker+Invalid, 1481 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2614 mSDtfsCounter, 1480 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=713occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-10 03:02:41,182 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 419067b5ad1c50d11f0cfbab5d6575c99441963cff6e7f0dfff88e7c41e5907f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 03:02:43,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 03:02:43,539 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-10 03:02:43,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 03:02:43,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 03:02:43,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 03:02:43,594 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 03:02:43,594 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 03:02:43,595 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 03:02:43,596 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 03:02:43,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 03:02:43,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 03:02:43,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 03:02:43,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 03:02:43,599 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 03:02:43,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 03:02:43,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 03:02:43,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 03:02:43,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 03:02:43,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 03:02:43,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 03:02:43,607 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 03:02:43,607 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 03:02:43,608 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 03:02:43,608 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 03:02:43,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 03:02:43,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 03:02:43,608 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 03:02:43,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 03:02:43,609 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 03:02:43,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 03:02:43,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 03:02:43,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 03:02:43,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 03:02:43,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 03:02:43,611 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 03:02:43,612 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 03:02:43,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 03:02:43,613 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 03:02:43,613 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 03:02:43,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 03:02:43,613 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 419067b5ad1c50d11f0cfbab5d6575c99441963cff6e7f0dfff88e7c41e5907f [2024-11-10 03:02:43,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 03:02:43,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 03:02:43,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 03:02:43,979 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 03:02:43,980 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 03:02:43,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c [2024-11-10 03:02:45,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 03:02:45,921 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 03:02:45,922 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c [2024-11-10 03:02:45,941 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8742c1dc2/f6f6ea9c23a9467a983b08d9714f7bb6/FLAG971c52edf [2024-11-10 03:02:45,954 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8742c1dc2/f6f6ea9c23a9467a983b08d9714f7bb6 [2024-11-10 03:02:45,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 03:02:45,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 03:02:45,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 03:02:45,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 03:02:45,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 03:02:45,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:02:45" (1/1) ... [2024-11-10 03:02:45,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e215ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:45, skipping insertion in model container [2024-11-10 03:02:45,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:02:45" (1/1) ... [2024-11-10 03:02:46,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 03:02:46,295 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/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c[1262,1275] [2024-11-10 03:02:46,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 03:02:46,679 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 03:02:46,690 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/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bufferAlloc.c[1262,1275] [2024-11-10 03:02:46,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 03:02:46,887 INFO L204 MainTranslator]: Completed translation [2024-11-10 03:02:46,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46 WrapperNode [2024-11-10 03:02:46,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 03:02:46,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 03:02:46,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 03:02:46,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 03:02:46,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46" (1/1) ... [2024-11-10 03:02:46,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46" (1/1) ... [2024-11-10 03:02:47,077 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1917 [2024-11-10 03:02:47,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 03:02:47,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 03:02:47,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 03:02:47,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 03:02:47,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46" (1/1) ... [2024-11-10 03:02:47,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46" (1/1) ... [2024-11-10 03:02:47,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46" (1/1) ... [2024-11-10 03:02:47,202 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 03:02:47,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46" (1/1) ... [2024-11-10 03:02:47,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46" (1/1) ... [2024-11-10 03:02:47,242 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46" (1/1) ... [2024-11-10 03:02:47,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46" (1/1) ... [2024-11-10 03:02:47,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46" (1/1) ... [2024-11-10 03:02:47,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46" (1/1) ... [2024-11-10 03:02:47,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 03:02:47,282 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 03:02:47,282 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 03:02:47,282 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 03:02:47,283 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46" (1/1) ... [2024-11-10 03:02:47,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 03:02:47,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:02:47,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 03:02:47,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 03:02:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 03:02:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 03:02:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 03:02:47,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 03:02:47,772 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 03:02:47,774 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 03:02:53,856 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-10 03:02:53,857 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 03:02:53,867 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 03:02:53,867 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 03:02:53,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:02:53 BoogieIcfgContainer [2024-11-10 03:02:53,868 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 03:02:53,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 03:02:53,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 03:02:53,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 03:02:53,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:02:45" (1/3) ... [2024-11-10 03:02:53,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd4e2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:02:53, skipping insertion in model container [2024-11-10 03:02:53,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:02:46" (2/3) ... [2024-11-10 03:02:53,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd4e2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:02:53, skipping insertion in model container [2024-11-10 03:02:53,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:02:53" (3/3) ... [2024-11-10 03:02:53,877 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_bufferAlloc.c [2024-11-10 03:02:53,894 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 03:02:53,895 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 03:02:53,947 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 03:02:53,955 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;@256a6549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 03:02:53,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 03:02:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 03:02:53,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:02:53,967 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 03:02:53,968 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:02:53,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:02:53,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1271070717, now seen corresponding path program 1 times [2024-11-10 03:02:53,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 03:02:53,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158405810] [2024-11-10 03:02:53,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:02:53,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 03:02:53,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 03:02:53,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 03:02:53,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-10 03:02:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:02:54,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 03:02:54,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 03:02:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 03:02:54,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 03:02:54,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 03:02:54,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158405810] [2024-11-10 03:02:54,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158405810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:02:54,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:02:54,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 03:02:54,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690876043] [2024-11-10 03:02:54,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:02:54,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 03:02:54,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 03:02:54,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 03:02:54,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 03:02:54,585 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:54,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:02:54,674 INFO L93 Difference]: Finished difference Result 22 states and 27 transitions. [2024-11-10 03:02:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 03:02:54,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 03:02:54,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:02:54,684 INFO L225 Difference]: With dead ends: 22 [2024-11-10 03:02:54,684 INFO L226 Difference]: Without dead ends: 11 [2024-11-10 03:02:54,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 03:02:54,690 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 03:02:54,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 14 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 03:02:54,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-10 03:02:54,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2024-11-10 03:02:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:54,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-10 03:02:54,719 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6 [2024-11-10 03:02:54,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:02:54,719 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-11-10 03:02:54,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 03:02:54,720 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-10 03:02:54,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 03:02:54,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:02:54,721 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:02:54,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-10 03:02:54,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 03:02:54,925 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:02:54,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:02:54,926 INFO L85 PathProgramCache]: Analyzing trace with hash 2061110753, now seen corresponding path program 1 times [2024-11-10 03:02:54,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 03:02:54,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647537863] [2024-11-10 03:02:54,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:02:54,928 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 03:02:54,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 03:02:54,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 03:02:54,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-10 03:02:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:02:55,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 03:02:55,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 03:03:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 03:03:30,087 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 03:03:50,025 WARN L286 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 824 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)