./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 07:02:53,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 07:02:53,711 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 07:02:53,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 07:02:53,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 07:02:53,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 07:02:53,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 07:02:53,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 07:02:53,745 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 07:02:53,745 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 07:02:53,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 07:02:53,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 07:02:53,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 07:02:53,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 07:02:53,748 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 07:02:53,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 07:02:53,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 07:02:53,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 07:02:53,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 07:02:53,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 07:02:53,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 07:02:53,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 07:02:53,753 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 07:02:53,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 07:02:53,754 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 07:02:53,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 07:02:53,754 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 07:02:53,755 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 07:02:53,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 07:02:53,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:02:53,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 07:02:53,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 07:02:53,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 07:02:53,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 07:02:53,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 07:02:53,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 07:02:53,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 07:02:53,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 07:02:53,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 07:02:53,758 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 [2024-10-11 07:02:54,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 07:02:54,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 07:02:54,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 07:02:54,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 07:02:54,057 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 07:02:54,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-10-11 07:02:55,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 07:02:55,937 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 07:02:55,938 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-10-11 07:02:55,956 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8837c93ba/005c590c54744abba5817f85e8df5603/FLAGc232968d5 [2024-10-11 07:02:56,175 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8837c93ba/005c590c54744abba5817f85e8df5603 [2024-10-11 07:02:56,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 07:02:56,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 07:02:56,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 07:02:56,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 07:02:56,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 07:02:56,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:02:56" (1/1) ... [2024-10-11 07:02:56,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a9efc74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:56, skipping insertion in model container [2024-10-11 07:02:56,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:02:56" (1/1) ... [2024-10-11 07:02:56,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 07:02:56,571 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1260,1273] [2024-10-11 07:02:56,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:02:56,966 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 07:02:56,975 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1260,1273] [2024-10-11 07:02:57,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:02:57,143 INFO L204 MainTranslator]: Completed translation [2024-10-11 07:02:57,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57 WrapperNode [2024-10-11 07:02:57,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 07:02:57,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 07:02:57,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 07:02:57,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 07:02:57,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57" (1/1) ... [2024-10-11 07:02:57,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57" (1/1) ... [2024-10-11 07:02:57,837 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4507 [2024-10-11 07:02:57,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 07:02:57,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 07:02:57,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 07:02:57,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 07:02:57,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57" (1/1) ... [2024-10-11 07:02:57,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57" (1/1) ... [2024-10-11 07:02:58,028 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57" (1/1) ... [2024-10-11 07:02:58,185 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 07:02:58,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57" (1/1) ... [2024-10-11 07:02:58,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57" (1/1) ... [2024-10-11 07:02:58,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57" (1/1) ... [2024-10-11 07:02:58,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57" (1/1) ... [2024-10-11 07:02:58,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57" (1/1) ... [2024-10-11 07:02:58,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57" (1/1) ... [2024-10-11 07:02:58,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 07:02:58,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 07:02:58,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 07:02:58,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 07:02:58,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57" (1/1) ... [2024-10-11 07:02:58,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:02:58,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:02:58,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 07:02:58,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 07:02:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 07:02:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 07:02:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 07:02:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 07:02:59,078 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 07:02:59,081 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 07:03:03,533 INFO L? ?]: Removed 2675 outVars from TransFormulas that were not future-live. [2024-10-11 07:03:03,533 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 07:03:03,645 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 07:03:03,645 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 07:03:03,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:03:03 BoogieIcfgContainer [2024-10-11 07:03:03,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 07:03:03,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 07:03:03,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 07:03:03,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 07:03:03,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:02:56" (1/3) ... [2024-10-11 07:03:03,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fc5007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:03:03, skipping insertion in model container [2024-10-11 07:03:03,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:57" (2/3) ... [2024-10-11 07:03:03,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fc5007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:03:03, skipping insertion in model container [2024-10-11 07:03:03,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:03:03" (3/3) ... [2024-10-11 07:03:03,658 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-10-11 07:03:03,675 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 07:03:03,676 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 07:03:03,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 07:03:03,789 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;@457b6a6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 07:03:03,790 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 07:03:03,800 INFO L276 IsEmpty]: Start isEmpty. Operand has 1348 states, 1346 states have (on average 1.50074294205052) internal successors, (2020), 1347 states have internal predecessors, (2020), 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) [2024-10-11 07:03:03,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 07:03:03,809 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:03:03,810 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] [2024-10-11 07:03:03,812 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:03:03,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:03:03,818 INFO L85 PathProgramCache]: Analyzing trace with hash -756927050, now seen corresponding path program 1 times [2024-10-11 07:03:03,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:03:03,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071073043] [2024-10-11 07:03:03,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:03:03,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:03:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:03:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:03:04,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:03:04,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071073043] [2024-10-11 07:03:04,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071073043] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:03:04,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:03:04,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 07:03:04,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8649278] [2024-10-11 07:03:04,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:03:04,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 07:03:04,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:03:04,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 07:03:04,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 07:03:04,553 INFO L87 Difference]: Start difference. First operand has 1348 states, 1346 states have (on average 1.50074294205052) internal successors, (2020), 1347 states have internal predecessors, (2020), 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 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-10-11 07:03:04,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:03:04,727 INFO L93 Difference]: Finished difference Result 2644 states and 3964 transitions. [2024-10-11 07:03:04,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 07:03:04,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 44 [2024-10-11 07:03:04,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:03:04,756 INFO L225 Difference]: With dead ends: 2644 [2024-10-11 07:03:04,756 INFO L226 Difference]: Without dead ends: 1349 [2024-10-11 07:03:04,767 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 [2024-10-11 07:03:04,772 INFO L432 NwaCegarLoop]: 2015 mSDtfsCounter, 0 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6040 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 07:03:04,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6040 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:03:04,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2024-10-11 07:03:04,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1349. [2024-10-11 07:03:04,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 1348 states have (on average 1.4985163204747773) internal successors, (2020), 1348 states have internal predecessors, (2020), 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) [2024-10-11 07:03:04,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 2020 transitions. [2024-10-11 07:03:04,871 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 2020 transitions. Word has length 44 [2024-10-11 07:03:04,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:03:04,872 INFO L471 AbstractCegarLoop]: Abstraction has 1349 states and 2020 transitions. [2024-10-11 07:03:04,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-10-11 07:03:04,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2020 transitions. [2024-10-11 07:03:04,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 07:03:04,875 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:03:04,875 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] [2024-10-11 07:03:04,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 07:03:04,876 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:03:04,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:03:04,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1988206657, now seen corresponding path program 1 times [2024-10-11 07:03:04,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:03:04,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244108770] [2024-10-11 07:03:04,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:03:04,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:03:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:03:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:03:05,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:03:05,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244108770] [2024-10-11 07:03:05,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244108770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:03:05,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:03:05,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 07:03:05,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920968910] [2024-10-11 07:03:05,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:03:05,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 07:03:05,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:03:05,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 07:03:05,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 07:03:05,181 INFO L87 Difference]: Start difference. First operand 1349 states and 2020 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2024-10-11 07:03:05,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:03:05,266 INFO L93 Difference]: Finished difference Result 2647 states and 3964 transitions. [2024-10-11 07:03:05,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 07:03:05,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 45 [2024-10-11 07:03:05,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:03:05,273 INFO L225 Difference]: With dead ends: 2647 [2024-10-11 07:03:05,274 INFO L226 Difference]: Without dead ends: 1351 [2024-10-11 07:03:05,276 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 [2024-10-11 07:03:05,279 INFO L432 NwaCegarLoop]: 2015 mSDtfsCounter, 0 mSDsluCounter, 4022 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6037 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 07:03:05,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6037 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:03:05,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2024-10-11 07:03:05,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1351. [2024-10-11 07:03:05,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 1350 states have (on average 1.4977777777777779) internal successors, (2022), 1350 states have internal predecessors, (2022), 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) [2024-10-11 07:03:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 2022 transitions. [2024-10-11 07:03:05,313 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 2022 transitions. Word has length 45 [2024-10-11 07:03:05,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:03:05,314 INFO L471 AbstractCegarLoop]: Abstraction has 1351 states and 2022 transitions. [2024-10-11 07:03:05,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2024-10-11 07:03:05,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 2022 transitions. [2024-10-11 07:03:05,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-11 07:03:05,316 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:03:05,316 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] [2024-10-11 07:03:05,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 07:03:05,317 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:03:05,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:03:05,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1692137391, now seen corresponding path program 1 times [2024-10-11 07:03:05,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:03:05,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143018932] [2024-10-11 07:03:05,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:03:05,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:03:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:03:05,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:03:05,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:03:05,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143018932] [2024-10-11 07:03:05,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143018932] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:03:05,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:03:05,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 07:03:05,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051676126] [2024-10-11 07:03:05,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:03:05,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 07:03:05,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:03:05,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 07:03:05,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-11 07:03:05,981 INFO L87 Difference]: Start difference. First operand 1351 states and 2022 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 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) [2024-10-11 07:03:06,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:03:06,217 INFO L93 Difference]: Finished difference Result 2657 states and 3977 transitions. [2024-10-11 07:03:06,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 07:03:06,218 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 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 46 [2024-10-11 07:03:06,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:03:06,224 INFO L225 Difference]: With dead ends: 2657 [2024-10-11 07:03:06,224 INFO L226 Difference]: Without dead ends: 1359 [2024-10-11 07:03:06,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-11 07:03:06,229 INFO L432 NwaCegarLoop]: 2000 mSDtfsCounter, 1997 mSDsluCounter, 11991 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1997 SdHoareTripleChecker+Valid, 13991 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:03:06,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1997 Valid, 13991 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 07:03:06,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2024-10-11 07:03:06,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1356. [2024-10-11 07:03:06,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1355 states have (on average 1.4966789667896678) internal successors, (2028), 1355 states have internal predecessors, (2028), 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) [2024-10-11 07:03:06,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 2028 transitions. [2024-10-11 07:03:06,259 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 2028 transitions. Word has length 46 [2024-10-11 07:03:06,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:03:06,259 INFO L471 AbstractCegarLoop]: Abstraction has 1356 states and 2028 transitions. [2024-10-11 07:03:06,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 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) [2024-10-11 07:03:06,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 2028 transitions. [2024-10-11 07:03:06,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 07:03:06,261 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:03:06,261 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] [2024-10-11 07:03:06,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 07:03:06,262 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:03:06,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:03:06,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1813770366, now seen corresponding path program 1 times [2024-10-11 07:03:06,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:03:06,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626900110] [2024-10-11 07:03:06,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:03:06,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:03:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:03:06,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:03:06,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:03:06,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626900110] [2024-10-11 07:03:06,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626900110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:03:06,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:03:06,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 07:03:06,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77808563] [2024-10-11 07:03:06,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:03:06,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 07:03:06,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:03:06,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 07:03:06,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 07:03:06,769 INFO L87 Difference]: Start difference. First operand 1356 states and 2028 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-10-11 07:03:06,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:03:06,856 INFO L93 Difference]: Finished difference Result 2658 states and 3977 transitions. [2024-10-11 07:03:06,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 07:03:06,857 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 47 [2024-10-11 07:03:06,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:03:06,863 INFO L225 Difference]: With dead ends: 2658 [2024-10-11 07:03:06,863 INFO L226 Difference]: Without dead ends: 1355 [2024-10-11 07:03:06,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 07:03:06,866 INFO L432 NwaCegarLoop]: 2007 mSDtfsCounter, 12 mSDsluCounter, 4015 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 6022 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:03:06,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 6022 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 07:03:06,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2024-10-11 07:03:06,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1353. [2024-10-11 07:03:06,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1353 states, 1352 states have (on average 1.4970414201183433) internal successors, (2024), 1352 states have internal predecessors, (2024), 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) [2024-10-11 07:03:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 2024 transitions. [2024-10-11 07:03:06,894 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 2024 transitions. Word has length 47 [2024-10-11 07:03:06,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:03:06,894 INFO L471 AbstractCegarLoop]: Abstraction has 1353 states and 2024 transitions. [2024-10-11 07:03:06,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-10-11 07:03:06,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 2024 transitions. [2024-10-11 07:03:06,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 07:03:06,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:03:06,898 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] [2024-10-11 07:03:06,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 07:03:06,899 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:03:06,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:03:06,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1825538630, now seen corresponding path program 1 times [2024-10-11 07:03:06,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:03:06,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740383934] [2024-10-11 07:03:06,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:03:06,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:03:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:03:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:03:07,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:03:07,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740383934] [2024-10-11 07:03:07,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740383934] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:03:07,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:03:07,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 07:03:07,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796237729] [2024-10-11 07:03:07,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:03:07,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 07:03:07,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:03:07,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 07:03:07,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 07:03:07,309 INFO L87 Difference]: Start difference. First operand 1353 states and 2024 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-10-11 07:03:07,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:03:07,571 INFO L93 Difference]: Finished difference Result 2801 states and 4186 transitions. [2024-10-11 07:03:07,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 07:03:07,572 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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 47 [2024-10-11 07:03:07,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:03:07,578 INFO L225 Difference]: With dead ends: 2801 [2024-10-11 07:03:07,578 INFO L226 Difference]: Without dead ends: 1501 [2024-10-11 07:03:07,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-11 07:03:07,583 INFO L432 NwaCegarLoop]: 1998 mSDtfsCounter, 2410 mSDsluCounter, 7990 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2410 SdHoareTripleChecker+Valid, 9988 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:03:07,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2410 Valid, 9988 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 07:03:07,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2024-10-11 07:03:07,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1371. [2024-10-11 07:03:07,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1371 states, 1370 states have (on average 1.4956204379562044) internal successors, (2049), 1370 states have internal predecessors, (2049), 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) [2024-10-11 07:03:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 2049 transitions. [2024-10-11 07:03:07,612 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 2049 transitions. Word has length 47 [2024-10-11 07:03:07,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:03:07,614 INFO L471 AbstractCegarLoop]: Abstraction has 1371 states and 2049 transitions. [2024-10-11 07:03:07,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-10-11 07:03:07,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 2049 transitions. [2024-10-11 07:03:07,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 07:03:07,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:03:07,619 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] [2024-10-11 07:03:07,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 07:03:07,619 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:03:07,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:03:07,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1076469228, now seen corresponding path program 1 times [2024-10-11 07:03:07,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:03:07,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038792047] [2024-10-11 07:03:07,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:03:07,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:03:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 07:03:07,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 07:03:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 07:03:07,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 07:03:07,811 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 07:03:07,812 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 07:03:07,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 07:03:07,816 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-11 07:03:07,891 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 07:03:07,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:03:07 BoogieIcfgContainer [2024-10-11 07:03:07,897 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 07:03:07,898 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 07:03:07,898 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 07:03:07,898 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 07:03:07,899 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:03:03" (3/4) ... [2024-10-11 07:03:07,902 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 07:03:07,903 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 07:03:07,903 INFO L158 Benchmark]: Toolchain (without parser) took 11724.06ms. Allocated memory was 174.1MB in the beginning and 744.5MB in the end (delta: 570.4MB). Free memory was 104.0MB in the beginning and 262.7MB in the end (delta: -158.8MB). Peak memory consumption was 413.8MB. Max. memory is 16.1GB. [2024-10-11 07:03:07,904 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 104.9MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 07:03:07,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 963.12ms. Allocated memory is still 174.1MB. Free memory was 103.8MB in the beginning and 80.5MB in the end (delta: 23.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-10-11 07:03:07,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 692.43ms. Allocated memory was 174.1MB in the beginning and 341.8MB in the end (delta: 167.8MB). Free memory was 80.5MB in the beginning and 235.9MB in the end (delta: -155.4MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. [2024-10-11 07:03:07,905 INFO L158 Benchmark]: Boogie Preprocessor took 808.30ms. Allocated memory is still 341.8MB. Free memory was 235.9MB in the beginning and 201.3MB in the end (delta: 34.6MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-10-11 07:03:07,905 INFO L158 Benchmark]: RCFGBuilder took 4997.02ms. Allocated memory was 341.8MB in the beginning and 583.0MB in the end (delta: 241.2MB). Free memory was 201.3MB in the beginning and 304.1MB in the end (delta: -102.8MB). Peak memory consumption was 232.8MB. Max. memory is 16.1GB. [2024-10-11 07:03:07,906 INFO L158 Benchmark]: TraceAbstraction took 4248.04ms. Allocated memory was 583.0MB in the beginning and 744.5MB in the end (delta: 161.5MB). Free memory was 304.1MB in the beginning and 263.8MB in the end (delta: 40.3MB). Peak memory consumption was 201.8MB. Max. memory is 16.1GB. [2024-10-11 07:03:07,906 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 744.5MB. Free memory was 263.8MB in the beginning and 262.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 07:03:07,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 104.9MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 963.12ms. Allocated memory is still 174.1MB. Free memory was 103.8MB in the beginning and 80.5MB in the end (delta: 23.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 692.43ms. Allocated memory was 174.1MB in the beginning and 341.8MB in the end (delta: 167.8MB). Free memory was 80.5MB in the beginning and 235.9MB in the end (delta: -155.4MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 808.30ms. Allocated memory is still 341.8MB. Free memory was 235.9MB in the beginning and 201.3MB in the end (delta: 34.6MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4997.02ms. Allocated memory was 341.8MB in the beginning and 583.0MB in the end (delta: 241.2MB). Free memory was 201.3MB in the beginning and 304.1MB in the end (delta: -102.8MB). Peak memory consumption was 232.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4248.04ms. Allocated memory was 583.0MB in the beginning and 744.5MB in the end (delta: 161.5MB). Free memory was 304.1MB in the beginning and 263.8MB in the end (delta: 40.3MB). Peak memory consumption was 201.8MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 744.5MB. Free memory was 263.8MB in the beginning and 262.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 bitwiseOr at line 206. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 2); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (2 - 1); [L35] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 3); [L36] const SORT_14 msb_SORT_14 = (SORT_14)1 << (3 - 1); [L38] const SORT_41 mask_SORT_41 = (SORT_41)-1 >> (sizeof(SORT_41) * 8 - 12); [L39] const SORT_41 msb_SORT_41 = (SORT_41)1 << (12 - 1); [L41] const SORT_97 mask_SORT_97 = (SORT_97)-1 >> (sizeof(SORT_97) * 8 - 17); [L42] const SORT_97 msb_SORT_97 = (SORT_97)1 << (17 - 1); [L44] const SORT_98 mask_SORT_98 = (SORT_98)-1 >> (sizeof(SORT_98) * 8 - 5); [L45] const SORT_98 msb_SORT_98 = (SORT_98)1 << (5 - 1); [L47] const SORT_101 mask_SORT_101 = (SORT_101)-1 >> (sizeof(SORT_101) * 8 - 9); [L48] const SORT_101 msb_SORT_101 = (SORT_101)1 << (9 - 1); [L50] const SORT_103 mask_SORT_103 = (SORT_103)-1 >> (sizeof(SORT_103) * 8 - 10); [L51] const SORT_103 msb_SORT_103 = (SORT_103)1 << (10 - 1); [L53] const SORT_106 mask_SORT_106 = (SORT_106)-1 >> (sizeof(SORT_106) * 8 - 11); [L54] const SORT_106 msb_SORT_106 = (SORT_106)1 << (11 - 1); [L56] const SORT_111 mask_SORT_111 = (SORT_111)-1 >> (sizeof(SORT_111) * 8 - 13); [L57] const SORT_111 msb_SORT_111 = (SORT_111)1 << (13 - 1); [L59] const SORT_114 mask_SORT_114 = (SORT_114)-1 >> (sizeof(SORT_114) * 8 - 14); [L60] const SORT_114 msb_SORT_114 = (SORT_114)1 << (14 - 1); [L62] const SORT_117 mask_SORT_117 = (SORT_117)-1 >> (sizeof(SORT_117) * 8 - 15); [L63] const SORT_117 msb_SORT_117 = (SORT_117)1 << (15 - 1); [L65] const SORT_150 mask_SORT_150 = (SORT_150)-1 >> (sizeof(SORT_150) * 8 - 7); [L66] const SORT_150 msb_SORT_150 = (SORT_150)1 << (7 - 1); [L68] const SORT_366 mask_SORT_366 = (SORT_366)-1 >> (sizeof(SORT_366) * 8 - 4); [L69] const SORT_366 msb_SORT_366 = (SORT_366)1 << (4 - 1); [L71] const SORT_369 mask_SORT_369 = (SORT_369)-1 >> (sizeof(SORT_369) * 8 - 6); [L72] const SORT_369 msb_SORT_369 = (SORT_369)1 << (6 - 1); [L74] const SORT_372 mask_SORT_372 = (SORT_372)-1 >> (sizeof(SORT_372) * 8 - 8); [L75] const SORT_372 msb_SORT_372 = (SORT_372)1 << (8 - 1); [L77] const SORT_3 var_6 = 0; [L78] const SORT_14 var_15 = 0; [L79] const SORT_9 var_19 = 0; [L80] const SORT_1 var_30 = 1; [L81] const SORT_1 var_36 = 0; [L82] const SORT_41 var_42 = 0; [L83] const SORT_14 var_56 = 2; [L84] const SORT_14 var_60 = 1; [L85] const SORT_14 var_65 = 4; [L86] const SORT_14 var_67 = 5; [L87] const SORT_14 var_71 = 3; [L88] const SORT_98 var_99 = 0; [L89] const SORT_150 var_152 = 5; [L90] const SORT_150 var_156 = 4; [L91] const SORT_150 var_160 = 3; [L92] const SORT_150 var_164 = 2; [L93] const SORT_150 var_168 = 1; [L94] const SORT_150 var_172 = 0; [L95] const SORT_41 var_195 = 2; [L96] const SORT_3 var_217 = 65535; [L98] SORT_1 input_2; [L99] SORT_3 input_4; [L100] SORT_3 input_5; [L101] SORT_3 input_207; [L102] SORT_3 input_208; [L103] SORT_3 input_209; [L104] SORT_3 input_216; [L105] SORT_3 input_224; [L106] SORT_3 input_225; [L107] SORT_3 input_226; [L108] SORT_3 input_229; [L109] SORT_3 input_247; [L110] SORT_3 input_248; [L111] SORT_3 input_249; [L112] SORT_3 input_252; [L113] SORT_3 input_254; [L114] SORT_9 input_268; [L115] SORT_9 input_269; [L116] SORT_9 input_270; [L118] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L118] SORT_3 state_7 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_14 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L119] SORT_14 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_14; [L120] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L120] SORT_3 state_21 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L121] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L121] SORT_3 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L122] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L122] SORT_3 state_34 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L123] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L124] SORT_3 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L125] EXPR __VERIFIER_nondet_ushort() & mask_SORT_41 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L125] SORT_41 state_43 = __VERIFIER_nondet_ushort() & mask_SORT_41; [L126] EXPR __VERIFIER_nondet_ushort() & mask_SORT_41 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L126] SORT_41 state_45 = __VERIFIER_nondet_ushort() & mask_SORT_41; [L127] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L127] SORT_3 state_47 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L128] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L128] SORT_3 state_49 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L129] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L129] SORT_3 state_51 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L130] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L130] SORT_3 state_53 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L132] SORT_3 init_8_arg_1 = var_6; [L133] state_7 = init_8_arg_1 [L134] SORT_14 init_17_arg_1 = var_15; [L135] state_16 = init_17_arg_1 [L136] SORT_3 init_22_arg_1 = var_6; [L137] state_21 = init_22_arg_1 [L138] SORT_3 init_24_arg_1 = var_6; [L139] state_23 = init_24_arg_1 [L140] SORT_3 init_35_arg_1 = var_6; [L141] state_34 = init_35_arg_1 [L142] SORT_1 init_38_arg_1 = var_36; [L143] state_37 = init_38_arg_1 [L144] SORT_3 init_40_arg_1 = var_6; [L145] state_39 = init_40_arg_1 [L146] SORT_41 init_44_arg_1 = var_42; [L147] state_43 = init_44_arg_1 [L148] SORT_41 init_46_arg_1 = var_42; [L149] state_45 = init_46_arg_1 [L150] SORT_3 init_48_arg_1 = var_6; [L151] state_47 = init_48_arg_1 [L152] SORT_3 init_50_arg_1 = var_6; [L153] state_49 = init_50_arg_1 [L154] SORT_3 init_52_arg_1 = var_6; [L155] state_51 = init_52_arg_1 [L156] SORT_3 init_54_arg_1 = var_6; [L157] state_53 = init_54_arg_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L160] input_2 = __VERIFIER_nondet_uchar() [L161] input_4 = __VERIFIER_nondet_ushort() [L162] input_5 = __VERIFIER_nondet_ushort() [L163] input_207 = __VERIFIER_nondet_ushort() [L164] input_208 = __VERIFIER_nondet_ushort() [L165] input_209 = __VERIFIER_nondet_ushort() [L166] input_216 = __VERIFIER_nondet_ushort() [L167] input_224 = __VERIFIER_nondet_ushort() [L168] input_225 = __VERIFIER_nondet_ushort() [L169] input_226 = __VERIFIER_nondet_ushort() [L170] input_229 = __VERIFIER_nondet_ushort() [L171] input_247 = __VERIFIER_nondet_ushort() [L172] input_248 = __VERIFIER_nondet_ushort() [L173] input_249 = __VERIFIER_nondet_ushort() [L174] input_252 = __VERIFIER_nondet_ushort() [L175] input_254 = __VERIFIER_nondet_ushort() [L176] input_268 = __VERIFIER_nondet_uchar() [L177] input_269 = __VERIFIER_nondet_uchar() [L178] input_270 = __VERIFIER_nondet_uchar() [L181] SORT_3 var_10_arg_0 = state_7; [L182] SORT_9 var_10 = var_10_arg_0 >> 3; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L183] EXPR var_10 & mask_SORT_9 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L183] var_10 = var_10 & mask_SORT_9 [L184] SORT_3 var_11_arg_0 = state_7; [L185] SORT_9 var_11 = var_11_arg_0 >> 5; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L186] EXPR var_11 & mask_SORT_9 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L186] var_11 = var_11 & mask_SORT_9 [L187] SORT_9 var_12_arg_0 = var_10; [L188] SORT_9 var_12_arg_1 = var_11; [L189] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L190] SORT_1 var_13_arg_0 = var_12; [L191] SORT_1 var_13 = ~var_13_arg_0; [L192] SORT_14 var_18_arg_0 = state_16; [L193] SORT_9 var_18 = var_18_arg_0 >> 1; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_13=-2, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_18=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L194] EXPR var_18 & mask_SORT_9 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_13=-2, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L194] var_18 = var_18 & mask_SORT_9 [L195] SORT_9 var_20_arg_0 = var_18; [L196] SORT_9 var_20_arg_1 = var_19; [L197] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L198] SORT_3 var_25_arg_0 = state_21; [L199] SORT_3 var_25_arg_1 = state_23; [L200] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L201] SORT_1 var_26_arg_0 = var_20; [L202] SORT_1 var_26_arg_1 = var_25; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_13=-2, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_26_arg_0=1, var_26_arg_1=1, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L203] EXPR var_26_arg_0 | var_26_arg_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_13=-2, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L203] SORT_1 var_26 = var_26_arg_0 | var_26_arg_1; [L204] SORT_1 var_27_arg_0 = var_13; [L205] SORT_1 var_27_arg_1 = var_26; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_27_arg_0=-2, var_27_arg_1=1, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L206] EXPR var_27_arg_0 | var_27_arg_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L206] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L207] SORT_1 var_31_arg_0 = var_27; [L208] SORT_1 var_31 = ~var_31_arg_0; [L209] SORT_1 var_32_arg_0 = var_30; [L210] SORT_1 var_32_arg_1 = var_31; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_32_arg_0=1, var_32_arg_1=-255, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L211] EXPR var_32_arg_0 & var_32_arg_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L211] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L212] EXPR var_32 & mask_SORT_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L212] var_32 = var_32 & mask_SORT_1 [L213] SORT_1 bad_33_arg_0 = var_32; [L214] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1348 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4419 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4419 mSDsluCounter, 42078 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32043 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 300 IncrementalHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 10035 mSDtfsCounter, 300 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1371occurred in iteration=5, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 135 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 277 NumberOfCodeBlocks, 277 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 [2024-10-11 07:03:07,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 07:03:10,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 07:03:10,316 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-11 07:03:10,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 07:03:10,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 07:03:10,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 07:03:10,364 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 07:03:10,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 07:03:10,366 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 07:03:10,367 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 07:03:10,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 07:03:10,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 07:03:10,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 07:03:10,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 07:03:10,371 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 07:03:10,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 07:03:10,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 07:03:10,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 07:03:10,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 07:03:10,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 07:03:10,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 07:03:10,374 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 07:03:10,375 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 07:03:10,375 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 07:03:10,377 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 07:03:10,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 07:03:10,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 07:03:10,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 07:03:10,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 07:03:10,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 07:03:10,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 07:03:10,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:03:10,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 07:03:10,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 07:03:10,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 07:03:10,385 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 07:03:10,385 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 07:03:10,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 07:03:10,386 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 07:03:10,386 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 07:03:10,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 07:03:10,386 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 07:03:10,387 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 [2024-10-11 07:03:10,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 07:03:10,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 07:03:10,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 07:03:10,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 07:03:10,754 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 07:03:10,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-10-11 07:03:12,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 07:03:12,675 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 07:03:12,679 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-10-11 07:03:12,707 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6eaae824e/db8e7ce20db4439f852aac560617a498/FLAG20e67e2fe [2024-10-11 07:03:12,908 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6eaae824e/db8e7ce20db4439f852aac560617a498 [2024-10-11 07:03:12,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 07:03:12,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 07:03:12,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 07:03:12,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 07:03:12,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 07:03:12,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:03:12" (1/1) ... [2024-10-11 07:03:12,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f9f471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:12, skipping insertion in model container [2024-10-11 07:03:12,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:03:12" (1/1) ... [2024-10-11 07:03:13,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 07:03:13,230 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1260,1273] [2024-10-11 07:03:13,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:03:13,559 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 07:03:13,570 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1260,1273] [2024-10-11 07:03:13,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:03:13,761 INFO L204 MainTranslator]: Completed translation [2024-10-11 07:03:13,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13 WrapperNode [2024-10-11 07:03:13,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 07:03:13,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 07:03:13,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 07:03:13,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 07:03:13,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13" (1/1) ... [2024-10-11 07:03:13,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13" (1/1) ... [2024-10-11 07:03:13,923 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1825 [2024-10-11 07:03:13,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 07:03:13,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 07:03:13,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 07:03:13,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 07:03:13,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13" (1/1) ... [2024-10-11 07:03:13,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13" (1/1) ... [2024-10-11 07:03:13,967 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13" (1/1) ... [2024-10-11 07:03:14,056 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 07:03:14,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13" (1/1) ... [2024-10-11 07:03:14,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13" (1/1) ... [2024-10-11 07:03:14,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13" (1/1) ... [2024-10-11 07:03:14,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13" (1/1) ... [2024-10-11 07:03:14,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13" (1/1) ... [2024-10-11 07:03:14,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13" (1/1) ... [2024-10-11 07:03:14,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 07:03:14,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 07:03:14,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 07:03:14,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 07:03:14,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13" (1/1) ... [2024-10-11 07:03:14,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:03:14,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:03:14,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 07:03:14,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 07:03:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 07:03:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 07:03:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 07:03:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 07:03:14,680 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 07:03:14,686 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 07:03:17,746 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-10-11 07:03:17,747 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 07:03:17,826 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 07:03:17,826 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 07:03:17,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:03:17 BoogieIcfgContainer [2024-10-11 07:03:17,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 07:03:17,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 07:03:17,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 07:03:17,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 07:03:17,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:03:12" (1/3) ... [2024-10-11 07:03:17,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1ea5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:03:17, skipping insertion in model container [2024-10-11 07:03:17,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:03:13" (2/3) ... [2024-10-11 07:03:17,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1ea5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:03:17, skipping insertion in model container [2024-10-11 07:03:17,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:03:17" (3/3) ... [2024-10-11 07:03:17,836 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-10-11 07:03:17,852 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 07:03:17,853 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 07:03:17,915 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 07:03:17,923 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;@425484c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 07:03:17,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 07:03:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-10-11 07:03:17,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 07:03:17,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:03:17,934 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 07:03:17,935 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:03:17,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:03:17,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-11 07:03:17,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 07:03:17,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281799461] [2024-10-11 07:03:17,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:03:17,954 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 07:03:17,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 07:03:17,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 07:03:17,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 07:03:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:03:18,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 07:03:18,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 07:03:18,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:03:18,561 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 07:03:18,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 07:03:18,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281799461] [2024-10-11 07:03:18,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281799461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:03:18,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:03:18,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 07:03:18,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249350937] [2024-10-11 07:03:18,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:03:18,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 07:03:18,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 07:03:18,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 07:03:18,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 07:03:18,598 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-11 07:03:18,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:03:18,759 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-11 07:03:18,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 07:03:18,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-10-11 07:03:18,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:03:18,769 INFO L225 Difference]: With dead ends: 15 [2024-10-11 07:03:18,770 INFO L226 Difference]: Without dead ends: 9 [2024-10-11 07:03:18,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:03:18,776 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:03:18,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 07:03:18,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-11 07:03:18,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-11 07:03:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2024-10-11 07:03:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-11 07:03:18,805 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-11 07:03:18,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:03:18,806 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-11 07:03:18,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-11 07:03:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-11 07:03:18,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 07:03:18,807 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:03:18,807 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-11 07:03:18,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-11 07:03:19,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 07:03:19,009 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:03:19,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:03:19,011 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-11 07:03:19,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 07:03:19,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669777120] [2024-10-11 07:03:19,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:03:19,015 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 07:03:19,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 07:03:19,018 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 07:03:19,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 07:03:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:03:19,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 07:03:19,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 07:03:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:03:20,145 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 07:03:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:03:28,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 07:03:28,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669777120] [2024-10-11 07:03:28,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669777120] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 07:03:28,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 07:03:28,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-11 07:03:28,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359271151] [2024-10-11 07:03:28,108 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 07:03:28,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 07:03:28,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 07:03:28,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 07:03:28,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-11 07:03:28,110 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2024-10-11 07:03:28,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:03:28,392 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-10-11 07:03:28,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 07:03:28,393 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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 7 [2024-10-11 07:03:28,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:03:28,393 INFO L225 Difference]: With dead ends: 14 [2024-10-11 07:03:28,393 INFO L226 Difference]: Without dead ends: 12 [2024-10-11 07:03:28,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 07:03:28,395 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 07:03:28,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 07:03:28,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-10-11 07:03:28,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2024-10-11 07:03:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 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) [2024-10-11 07:03:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-10-11 07:03:28,399 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2024-10-11 07:03:28,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:03:28,399 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-10-11 07:03:28,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2024-10-11 07:03:28,399 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-10-11 07:03:28,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 07:03:28,400 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:03:28,400 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2024-10-11 07:03:28,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-11 07:03:28,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 07:03:28,602 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:03:28,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:03:28,603 INFO L85 PathProgramCache]: Analyzing trace with hash 148265266, now seen corresponding path program 2 times [2024-10-11 07:03:28,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 07:03:28,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930219145] [2024-10-11 07:03:28,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 07:03:28,605 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 07:03:28,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 07:03:28,611 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 07:03:28,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-11 07:03:29,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 07:03:29,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 07:03:29,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-10-11 07:03:29,698 INFO L278 TraceCheckSpWp]: Computing forward predicates...