./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 82abe2bc16b32af306db7c09a41c9db0587ba64425916c43bed05447e1d05407 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 17:22:53,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 17:22:53,743 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-18 17:22:53,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 17:22:53,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 17:22:53,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 17:22:53,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 17:22:53,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 17:22:53,771 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 17:22:53,773 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 17:22:53,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 17:22:53,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 17:22:53,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 17:22:53,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 17:22:53,774 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 17:22:53,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 17:22:53,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 17:22:53,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 17:22:53,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 17:22:53,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 17:22:53,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 17:22:53,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 17:22:53,778 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 17:22:53,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 17:22:53,778 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 17:22:53,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 17:22:53,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 17:22:53,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 17:22:53,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 17:22:53,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 17:22:53,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 17:22:53,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 17:22:53,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 17:22:53,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 17:22:53,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 17:22:53,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 17:22:53,781 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 17:22:53,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 17:22:53,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 17:22:53,782 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82abe2bc16b32af306db7c09a41c9db0587ba64425916c43bed05447e1d05407 [2024-11-18 17:22:53,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 17:22:54,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 17:22:54,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 17:22:54,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 17:22:54,017 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 17:22:54,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-11-18 17:22:55,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 17:22:55,446 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 17:22:55,446 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-11-18 17:22:55,456 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40931f858/5c65b4d4a96c402e92f78b60059540a7/FLAGb40a8425f [2024-11-18 17:22:55,819 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40931f858/5c65b4d4a96c402e92f78b60059540a7 [2024-11-18 17:22:55,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 17:22:55,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 17:22:55,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 17:22:55,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 17:22:55,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 17:22:55,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:22:55" (1/1) ... [2024-11-18 17:22:55,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@273dc820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:55, skipping insertion in model container [2024-11-18 17:22:55,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:22:55" (1/1) ... [2024-11-18 17:22:55,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 17:22:56,027 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c[1174,1187] [2024-11-18 17:22:56,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 17:22:56,306 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 17:22:56,315 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c[1174,1187] [2024-11-18 17:22:56,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 17:22:56,424 INFO L204 MainTranslator]: Completed translation [2024-11-18 17:22:56,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56 WrapperNode [2024-11-18 17:22:56,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 17:22:56,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 17:22:56,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 17:22:56,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 17:22:56,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56" (1/1) ... [2024-11-18 17:22:56,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56" (1/1) ... [2024-11-18 17:22:56,908 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3785 [2024-11-18 17:22:56,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 17:22:56,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 17:22:56,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 17:22:56,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 17:22:56,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56" (1/1) ... [2024-11-18 17:22:56,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56" (1/1) ... [2024-11-18 17:22:57,025 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56" (1/1) ... [2024-11-18 17:22:57,094 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 17:22:57,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56" (1/1) ... [2024-11-18 17:22:57,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56" (1/1) ... [2024-11-18 17:22:57,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56" (1/1) ... [2024-11-18 17:22:57,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56" (1/1) ... [2024-11-18 17:22:57,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56" (1/1) ... [2024-11-18 17:22:57,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56" (1/1) ... [2024-11-18 17:22:57,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 17:22:57,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 17:22:57,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 17:22:57,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 17:22:57,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56" (1/1) ... [2024-11-18 17:22:57,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 17:22:57,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 17:22:57,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 17:22:57,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 17:22:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 17:22:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 17:22:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 17:22:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 17:22:57,718 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 17:22:57,720 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 17:23:00,515 INFO L? ?]: Removed 2119 outVars from TransFormulas that were not future-live. [2024-11-18 17:23:00,516 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 17:23:00,545 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 17:23:00,546 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 17:23:00,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:23:00 BoogieIcfgContainer [2024-11-18 17:23:00,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 17:23:00,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 17:23:00,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 17:23:00,551 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 17:23:00,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:22:55" (1/3) ... [2024-11-18 17:23:00,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0f0532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:23:00, skipping insertion in model container [2024-11-18 17:23:00,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:56" (2/3) ... [2024-11-18 17:23:00,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0f0532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:23:00, skipping insertion in model container [2024-11-18 17:23:00,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:23:00" (3/3) ... [2024-11-18 17:23:00,554 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-11-18 17:23:00,567 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 17:23:00,568 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 17:23:00,647 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 17:23:00,652 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;@3191fd21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 17:23:00,653 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 17:23:00,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 1328 states, 1326 states have (on average 1.5015082956259427) internal successors, (1991), 1327 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:00,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-18 17:23:00,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 17:23:00,666 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 17:23:00,667 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 17:23:00,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 17:23:00,670 INFO L85 PathProgramCache]: Analyzing trace with hash 356374767, now seen corresponding path program 1 times [2024-11-18 17:23:00,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 17:23:00,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171861830] [2024-11-18 17:23:00,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 17:23:00,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 17:23:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 17:23:01,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 17:23:01,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 17:23:01,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171861830] [2024-11-18 17:23:01,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171861830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 17:23:01,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 17:23:01,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 17:23:01,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889943153] [2024-11-18 17:23:01,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 17:23:01,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 17:23:01,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 17:23:01,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 17:23:01,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 17:23:01,345 INFO L87 Difference]: Start difference. First operand has 1328 states, 1326 states have (on average 1.5015082956259427) internal successors, (1991), 1327 states have internal predecessors, (1991), 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 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:01,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 17:23:01,460 INFO L93 Difference]: Finished difference Result 2581 states and 3873 transitions. [2024-11-18 17:23:01,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 17:23:01,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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 77 [2024-11-18 17:23:01,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 17:23:01,486 INFO L225 Difference]: With dead ends: 2581 [2024-11-18 17:23:01,487 INFO L226 Difference]: Without dead ends: 1327 [2024-11-18 17:23:01,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 17:23:01,499 INFO L432 NwaCegarLoop]: 1985 mSDtfsCounter, 0 mSDsluCounter, 3964 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5949 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 17:23:01,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5949 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 17:23:01,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-18 17:23:01,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1327. [2024-11-18 17:23:01,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1326 states have (on average 1.5) internal successors, (1989), 1326 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:01,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1989 transitions. [2024-11-18 17:23:01,576 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1989 transitions. Word has length 77 [2024-11-18 17:23:01,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 17:23:01,576 INFO L471 AbstractCegarLoop]: Abstraction has 1327 states and 1989 transitions. [2024-11-18 17:23:01,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:01,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1989 transitions. [2024-11-18 17:23:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-18 17:23:01,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 17:23:01,578 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 17:23:01,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 17:23:01,579 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 17:23:01,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 17:23:01,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1835588490, now seen corresponding path program 1 times [2024-11-18 17:23:01,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 17:23:01,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277920037] [2024-11-18 17:23:01,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 17:23:01,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 17:23:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 17:23:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 17:23:01,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 17:23:01,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277920037] [2024-11-18 17:23:01,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277920037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 17:23:01,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 17:23:01,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 17:23:01,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136899172] [2024-11-18 17:23:01,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 17:23:01,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 17:23:01,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 17:23:01,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 17:23:01,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 17:23:01,765 INFO L87 Difference]: Start difference. First operand 1327 states and 1989 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:01,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 17:23:01,813 INFO L93 Difference]: Finished difference Result 2582 states and 3871 transitions. [2024-11-18 17:23:01,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 17:23:01,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 78 [2024-11-18 17:23:01,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 17:23:01,817 INFO L225 Difference]: With dead ends: 2582 [2024-11-18 17:23:01,817 INFO L226 Difference]: Without dead ends: 1329 [2024-11-18 17:23:01,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 17:23:01,821 INFO L432 NwaCegarLoop]: 1985 mSDtfsCounter, 0 mSDsluCounter, 3960 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5945 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 17:23:01,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5945 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 17:23:01,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-11-18 17:23:01,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1329. [2024-11-18 17:23:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 1328 states have (on average 1.4992469879518073) internal successors, (1991), 1328 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:01,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1991 transitions. [2024-11-18 17:23:01,843 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1991 transitions. Word has length 78 [2024-11-18 17:23:01,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 17:23:01,845 INFO L471 AbstractCegarLoop]: Abstraction has 1329 states and 1991 transitions. [2024-11-18 17:23:01,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:01,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1991 transitions. [2024-11-18 17:23:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-18 17:23:01,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 17:23:01,847 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 17:23:01,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 17:23:01,848 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 17:23:01,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 17:23:01,848 INFO L85 PathProgramCache]: Analyzing trace with hash 2128333480, now seen corresponding path program 1 times [2024-11-18 17:23:01,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 17:23:01,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128709920] [2024-11-18 17:23:01,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 17:23:01,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 17:23:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 17:23:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 17:23:02,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 17:23:02,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128709920] [2024-11-18 17:23:02,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128709920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 17:23:02,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 17:23:02,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 17:23:02,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692123472] [2024-11-18 17:23:02,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 17:23:02,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 17:23:02,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 17:23:02,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 17:23:02,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 17:23:02,014 INFO L87 Difference]: Start difference. First operand 1329 states and 1991 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:02,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 17:23:02,089 INFO L93 Difference]: Finished difference Result 2590 states and 3881 transitions. [2024-11-18 17:23:02,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 17:23:02,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 79 [2024-11-18 17:23:02,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 17:23:02,093 INFO L225 Difference]: With dead ends: 2590 [2024-11-18 17:23:02,093 INFO L226 Difference]: Without dead ends: 1335 [2024-11-18 17:23:02,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 17:23:02,095 INFO L432 NwaCegarLoop]: 1985 mSDtfsCounter, 4 mSDsluCounter, 3954 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5939 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 17:23:02,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5939 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 17:23:02,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2024-11-18 17:23:02,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1335. [2024-11-18 17:23:02,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1334 states have (on average 1.4985007496251874) internal successors, (1999), 1334 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:02,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1999 transitions. [2024-11-18 17:23:02,113 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1999 transitions. Word has length 79 [2024-11-18 17:23:02,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 17:23:02,114 INFO L471 AbstractCegarLoop]: Abstraction has 1335 states and 1999 transitions. [2024-11-18 17:23:02,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:02,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1999 transitions. [2024-11-18 17:23:02,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 17:23:02,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 17:23:02,116 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 17:23:02,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 17:23:02,116 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 17:23:02,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 17:23:02,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1687081468, now seen corresponding path program 1 times [2024-11-18 17:23:02,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 17:23:02,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538988857] [2024-11-18 17:23:02,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 17:23:02,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 17:23:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 17:23:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 17:23:02,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 17:23:02,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538988857] [2024-11-18 17:23:02,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538988857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 17:23:02,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 17:23:02,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 17:23:02,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211650056] [2024-11-18 17:23:02,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 17:23:02,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 17:23:02,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 17:23:02,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 17:23:02,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 17:23:02,275 INFO L87 Difference]: Start difference. First operand 1335 states and 1999 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:02,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 17:23:02,351 INFO L93 Difference]: Finished difference Result 2600 states and 3893 transitions. [2024-11-18 17:23:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 17:23:02,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 80 [2024-11-18 17:23:02,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 17:23:02,357 INFO L225 Difference]: With dead ends: 2600 [2024-11-18 17:23:02,357 INFO L226 Difference]: Without dead ends: 1339 [2024-11-18 17:23:02,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 17:23:02,363 INFO L432 NwaCegarLoop]: 1985 mSDtfsCounter, 0 mSDsluCounter, 5921 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7906 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 17:23:02,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7906 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 17:23:02,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-11-18 17:23:02,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1335. [2024-11-18 17:23:02,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1334 states have (on average 1.4985007496251874) internal successors, (1999), 1334 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:02,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1999 transitions. [2024-11-18 17:23:02,384 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1999 transitions. Word has length 80 [2024-11-18 17:23:02,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 17:23:02,385 INFO L471 AbstractCegarLoop]: Abstraction has 1335 states and 1999 transitions. [2024-11-18 17:23:02,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:02,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1999 transitions. [2024-11-18 17:23:02,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-18 17:23:02,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 17:23:02,386 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 17:23:02,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 17:23:02,388 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 17:23:02,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 17:23:02,388 INFO L85 PathProgramCache]: Analyzing trace with hash 148969313, now seen corresponding path program 1 times [2024-11-18 17:23:02,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 17:23:02,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287654701] [2024-11-18 17:23:02,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 17:23:02,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 17:23:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 17:23:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 17:23:02,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 17:23:02,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287654701] [2024-11-18 17:23:02,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287654701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 17:23:02,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 17:23:02,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 17:23:02,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6839082] [2024-11-18 17:23:02,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 17:23:02,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 17:23:02,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 17:23:02,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 17:23:02,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 17:23:02,593 INFO L87 Difference]: Start difference. First operand 1335 states and 1999 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:03,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 17:23:03,889 INFO L93 Difference]: Finished difference Result 3841 states and 5753 transitions. [2024-11-18 17:23:03,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 17:23:03,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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 81 [2024-11-18 17:23:03,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 17:23:03,896 INFO L225 Difference]: With dead ends: 3841 [2024-11-18 17:23:03,896 INFO L226 Difference]: Without dead ends: 2580 [2024-11-18 17:23:03,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 17:23:03,900 INFO L432 NwaCegarLoop]: 1496 mSDtfsCounter, 1901 mSDsluCounter, 4404 mSDsCounter, 0 mSdLazyCounter, 1939 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 5900 SdHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-18 17:23:03,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1901 Valid, 5900 Invalid, 1940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1939 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-18 17:23:03,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2024-11-18 17:23:03,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 1394. [2024-11-18 17:23:03,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1393 states have (on average 1.4974874371859297) internal successors, (2086), 1393 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2086 transitions. [2024-11-18 17:23:03,923 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2086 transitions. Word has length 81 [2024-11-18 17:23:03,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 17:23:03,923 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 2086 transitions. [2024-11-18 17:23:03,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2086 transitions. [2024-11-18 17:23:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-18 17:23:03,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 17:23:03,925 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 17:23:03,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 17:23:03,925 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 17:23:03,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 17:23:03,926 INFO L85 PathProgramCache]: Analyzing trace with hash 557066048, now seen corresponding path program 1 times [2024-11-18 17:23:03,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 17:23:03,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865781749] [2024-11-18 17:23:03,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 17:23:03,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 17:23:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 17:23:04,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 17:23:04,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 17:23:04,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865781749] [2024-11-18 17:23:04,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865781749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 17:23:04,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 17:23:04,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 17:23:04,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235559205] [2024-11-18 17:23:04,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 17:23:04,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 17:23:04,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 17:23:04,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 17:23:04,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-18 17:23:04,213 INFO L87 Difference]: Start difference. First operand 1394 states and 2086 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:05,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 17:23:05,219 INFO L93 Difference]: Finished difference Result 2670 states and 3996 transitions. [2024-11-18 17:23:05,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 17:23:05,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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 82 [2024-11-18 17:23:05,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 17:23:05,223 INFO L225 Difference]: With dead ends: 2670 [2024-11-18 17:23:05,224 INFO L226 Difference]: Without dead ends: 1409 [2024-11-18 17:23:05,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-18 17:23:05,227 INFO L432 NwaCegarLoop]: 1481 mSDtfsCounter, 1934 mSDsluCounter, 4430 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1934 SdHoareTripleChecker+Valid, 5911 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-18 17:23:05,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1934 Valid, 5911 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-18 17:23:05,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2024-11-18 17:23:05,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1407. [2024-11-18 17:23:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1407 states, 1406 states have (on average 1.4943100995732574) internal successors, (2101), 1406 states have internal predecessors, (2101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 2101 transitions. [2024-11-18 17:23:05,248 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 2101 transitions. Word has length 82 [2024-11-18 17:23:05,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 17:23:05,248 INFO L471 AbstractCegarLoop]: Abstraction has 1407 states and 2101 transitions. [2024-11-18 17:23:05,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:05,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2101 transitions. [2024-11-18 17:23:05,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-18 17:23:05,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 17:23:05,252 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 17:23:05,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 17:23:05,252 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 17:23:05,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 17:23:05,253 INFO L85 PathProgramCache]: Analyzing trace with hash 408525058, now seen corresponding path program 1 times [2024-11-18 17:23:05,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 17:23:05,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652730778] [2024-11-18 17:23:05,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 17:23:05,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 17:23:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 17:23:05,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 17:23:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 17:23:05,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 17:23:05,402 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 17:23:05,403 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 17:23:05,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 17:23:05,407 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-18 17:23:05,464 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 17:23:05,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:23:05 BoogieIcfgContainer [2024-11-18 17:23:05,467 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 17:23:05,467 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 17:23:05,467 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 17:23:05,467 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 17:23:05,468 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:23:00" (3/4) ... [2024-11-18 17:23:05,470 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 17:23:05,471 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 17:23:05,471 INFO L158 Benchmark]: Toolchain (without parser) took 9648.73ms. Allocated memory was 151.0MB in the beginning and 755.0MB in the end (delta: 604.0MB). Free memory was 76.9MB in the beginning and 592.6MB in the end (delta: -515.8MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. [2024-11-18 17:23:05,471 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 17:23:05,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.30ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 76.7MB in the beginning and 134.9MB in the end (delta: -58.2MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-18 17:23:05,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 483.81ms. Allocated memory is still 201.3MB. Free memory was 134.9MB in the beginning and 104.9MB in the end (delta: 30.0MB). Peak memory consumption was 149.5MB. Max. memory is 16.1GB. [2024-11-18 17:23:05,472 INFO L158 Benchmark]: Boogie Preprocessor took 443.37ms. Allocated memory is still 201.3MB. Free memory was 104.1MB in the beginning and 80.0MB in the end (delta: 24.2MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-18 17:23:05,472 INFO L158 Benchmark]: RCFGBuilder took 3192.62ms. Allocated memory was 201.3MB in the beginning and 549.5MB in the end (delta: 348.1MB). Free memory was 79.9MB in the beginning and 245.9MB in the end (delta: -166.0MB). Peak memory consumption was 186.3MB. Max. memory is 16.1GB. [2024-11-18 17:23:05,472 INFO L158 Benchmark]: TraceAbstraction took 4919.21ms. Allocated memory was 549.5MB in the beginning and 755.0MB in the end (delta: 205.5MB). Free memory was 244.9MB in the beginning and 592.6MB in the end (delta: -347.7MB). Peak memory consumption was 141.9MB. Max. memory is 16.1GB. [2024-11-18 17:23:05,472 INFO L158 Benchmark]: Witness Printer took 3.51ms. Allocated memory is still 755.0MB. Free memory is still 592.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 17:23:05,474 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.30ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 76.7MB in the beginning and 134.9MB in the end (delta: -58.2MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 483.81ms. Allocated memory is still 201.3MB. Free memory was 134.9MB in the beginning and 104.9MB in the end (delta: 30.0MB). Peak memory consumption was 149.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 443.37ms. Allocated memory is still 201.3MB. Free memory was 104.1MB in the beginning and 80.0MB in the end (delta: 24.2MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * RCFGBuilder took 3192.62ms. Allocated memory was 201.3MB in the beginning and 549.5MB in the end (delta: 348.1MB). Free memory was 79.9MB in the beginning and 245.9MB in the end (delta: -166.0MB). Peak memory consumption was 186.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4919.21ms. Allocated memory was 549.5MB in the beginning and 755.0MB in the end (delta: 205.5MB). Free memory was 244.9MB in the beginning and 592.6MB in the end (delta: -347.7MB). Peak memory consumption was 141.9MB. Max. memory is 16.1GB. * Witness Printer took 3.51ms. Allocated memory is still 755.0MB. Free memory is still 592.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 186. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_14 = 0; [L40] const SORT_4 var_43 = 1; [L41] const SORT_4 var_44 = 0; [L42] const SORT_2 var_54 = 0; [L43] const SORT_2 var_56 = 3; [L44] const SORT_2 var_59 = 2; [L45] const SORT_2 var_62 = 1; [L46] const SORT_2 var_70 = 255; [L47] const SORT_3 var_74 = 0; [L48] const SORT_4 var_78 = 255; [L50] SORT_1 input_53; [L51] SORT_1 input_55; [L52] SORT_1 input_57; [L53] SORT_1 input_58; [L54] SORT_1 input_60; [L55] SORT_1 input_61; [L56] SORT_1 input_71; [L57] SORT_1 input_72; [L58] SORT_1 input_73; [L59] SORT_1 input_90; [L60] SORT_1 input_91; [L61] SORT_1 input_106; [L62] SORT_1 input_107; [L63] SORT_1 input_124; [L64] SORT_1 input_132; [L65] SORT_1 input_140; [L66] SORT_1 input_148; [L67] SORT_1 input_156; [L68] SORT_1 input_164; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L70] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L71] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L72] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L73] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L74] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L75] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L76] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L77] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L78] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L79] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L80] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L81] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L82] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L83] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L84] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L85] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L86] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_14=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_5=0, var_62=1, var_70=255, var_74=0, var_78=255] [L87] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] SORT_2 init_7_arg_1 = var_5; [L90] state_6 = init_7_arg_1 [L91] SORT_2 init_9_arg_1 = var_5; [L92] state_8 = init_9_arg_1 [L93] SORT_2 init_11_arg_1 = var_5; [L94] state_10 = init_11_arg_1 [L95] SORT_2 init_13_arg_1 = var_5; [L96] state_12 = init_13_arg_1 [L97] SORT_1 init_16_arg_1 = var_14; [L98] state_15 = init_16_arg_1 [L99] SORT_1 init_18_arg_1 = var_14; [L100] state_17 = init_18_arg_1 [L101] SORT_1 init_20_arg_1 = var_14; [L102] state_19 = init_20_arg_1 [L103] SORT_1 init_22_arg_1 = var_14; [L104] state_21 = init_22_arg_1 [L105] SORT_1 init_24_arg_1 = var_14; [L106] state_23 = init_24_arg_1 [L107] SORT_1 init_26_arg_1 = var_14; [L108] state_25 = init_26_arg_1 [L109] SORT_1 init_28_arg_1 = var_14; [L110] state_27 = init_28_arg_1 [L111] SORT_1 init_30_arg_1 = var_14; [L112] state_29 = init_30_arg_1 [L113] SORT_1 init_32_arg_1 = var_14; [L114] state_31 = init_32_arg_1 [L115] SORT_1 init_34_arg_1 = var_14; [L116] state_33 = init_34_arg_1 [L117] SORT_1 init_36_arg_1 = var_14; [L118] state_35 = init_36_arg_1 [L119] SORT_1 init_38_arg_1 = var_14; [L120] state_37 = init_38_arg_1 [L121] SORT_1 init_40_arg_1 = var_14; [L122] state_39 = init_40_arg_1 [L123] SORT_1 init_42_arg_1 = var_14; [L124] state_41 = init_42_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L127] input_53 = __VERIFIER_nondet_uchar() [L128] EXPR input_53 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L128] input_53 = input_53 & mask_SORT_1 [L129] input_55 = __VERIFIER_nondet_uchar() [L130] EXPR input_55 & mask_SORT_1 VAL [input_53=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L130] input_55 = input_55 & mask_SORT_1 [L131] input_57 = __VERIFIER_nondet_uchar() [L132] EXPR input_57 & mask_SORT_1 VAL [input_53=0, input_55=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L132] input_57 = input_57 & mask_SORT_1 [L133] input_58 = __VERIFIER_nondet_uchar() [L134] EXPR input_58 & mask_SORT_1 VAL [input_53=0, input_55=0, input_57=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L134] input_58 = input_58 & mask_SORT_1 [L135] input_60 = __VERIFIER_nondet_uchar() [L136] EXPR input_60 & mask_SORT_1 VAL [input_53=0, input_55=0, input_57=0, input_58=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L136] input_60 = input_60 & mask_SORT_1 [L137] input_61 = __VERIFIER_nondet_uchar() [L138] EXPR input_61 & mask_SORT_1 VAL [input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L138] input_61 = input_61 & mask_SORT_1 [L139] input_71 = __VERIFIER_nondet_uchar() [L140] EXPR input_71 & mask_SORT_1 VAL [input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L140] input_71 = input_71 & mask_SORT_1 [L141] input_72 = __VERIFIER_nondet_uchar() [L142] EXPR input_72 & mask_SORT_1 VAL [input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L142] input_72 = input_72 & mask_SORT_1 [L143] input_73 = __VERIFIER_nondet_uchar() [L144] EXPR input_73 & mask_SORT_1 VAL [input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, input_72=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L144] input_73 = input_73 & mask_SORT_1 [L145] input_90 = __VERIFIER_nondet_uchar() [L146] EXPR input_90 & mask_SORT_1 VAL [input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, input_72=0, input_73=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L146] input_90 = input_90 & mask_SORT_1 [L147] input_91 = __VERIFIER_nondet_uchar() [L148] EXPR input_91 & mask_SORT_1 VAL [input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, input_72=0, input_73=0, input_90=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L148] input_91 = input_91 & mask_SORT_1 [L149] input_106 = __VERIFIER_nondet_uchar() [L150] EXPR input_106 & mask_SORT_1 VAL [input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, input_72=0, input_73=0, input_90=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L150] input_106 = input_106 & mask_SORT_1 [L151] input_107 = __VERIFIER_nondet_uchar() [L152] EXPR input_107 & mask_SORT_1 VAL [input_106=0, input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, input_72=0, input_73=0, input_90=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L152] input_107 = input_107 & mask_SORT_1 [L153] input_124 = __VERIFIER_nondet_uchar() [L154] input_132 = __VERIFIER_nondet_uchar() [L155] input_140 = __VERIFIER_nondet_uchar() [L156] input_148 = __VERIFIER_nondet_uchar() [L157] input_156 = __VERIFIER_nondet_uchar() [L158] input_164 = __VERIFIER_nondet_uchar() [L161] SORT_1 var_45_arg_0 = state_23; [L162] SORT_4 var_45_arg_1 = var_43; [L163] SORT_4 var_45_arg_2 = var_44; [L164] SORT_4 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L165] SORT_1 var_46_arg_0 = state_31; [L166] SORT_4 var_46_arg_1 = var_43; [L167] SORT_4 var_46_arg_2 = var_44; [L168] SORT_4 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L169] SORT_4 var_47_arg_0 = var_45; [L170] SORT_4 var_47_arg_1 = var_46; [L171] SORT_4 var_47 = var_47_arg_0 + var_47_arg_1; [L172] SORT_1 var_48_arg_0 = state_39; [L173] SORT_4 var_48_arg_1 = var_43; [L174] SORT_4 var_48_arg_2 = var_44; [L175] SORT_4 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L176] SORT_4 var_49_arg_0 = var_47; [L177] SORT_4 var_49_arg_1 = var_48; [L178] SORT_4 var_49 = var_49_arg_0 + var_49_arg_1; VAL [input_106=0, input_107=0, input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, input_72=0, input_73=0, input_90=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_49=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L179] EXPR var_49 & mask_SORT_4 VAL [input_106=0, input_107=0, input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, input_72=0, input_73=0, input_90=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L179] var_49 = var_49 & mask_SORT_4 [L180] SORT_4 var_50_arg_0 = var_49; [L181] SORT_4 var_50_arg_1 = var_43; [L182] SORT_1 var_50 = var_50_arg_0 <= var_50_arg_1; [L183] SORT_1 var_51_arg_0 = ~state_41; VAL [input_106=0, input_107=0, input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, input_72=0, input_73=0, input_90=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_50=1, var_51_arg_0=-1, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L184] EXPR var_51_arg_0 & mask_SORT_1 VAL [input_106=0, input_107=0, input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, input_72=0, input_73=0, input_90=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_50=1, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L184] var_51_arg_0 = var_51_arg_0 & mask_SORT_1 [L185] SORT_1 var_51_arg_1 = ~var_50; VAL [input_106=0, input_107=0, input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, input_72=0, input_73=0, input_90=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_51_arg_0=1, var_51_arg_1=-2, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L186] EXPR var_51_arg_1 & mask_SORT_1 VAL [input_106=0, input_107=0, input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, input_72=0, input_73=0, input_90=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_51_arg_0=1, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L186] var_51_arg_1 = var_51_arg_1 & mask_SORT_1 [L187] EXPR var_51_arg_0 & var_51_arg_1 VAL [input_106=0, input_107=0, input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, input_72=0, input_73=0, input_90=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L187] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; [L188] EXPR var_51 & mask_SORT_1 VAL [input_106=0, input_107=0, input_53=0, input_55=0, input_57=0, input_58=0, input_60=0, input_61=0, input_71=0, input_72=0, input_73=0, input_90=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L188] var_51 = var_51 & mask_SORT_1 [L189] SORT_1 bad_52_arg_0 = var_51; [L190] CALL __VERIFIER_assert(!(bad_52_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1328 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3839 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3839 mSDsluCounter, 37550 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26633 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4064 IncrementalHoareTripleChecker+Invalid, 4067 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 10917 mSDtfsCounter, 4064 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1407occurred in iteration=6, InterpolantAutomatonStates: 27, 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, 6 MinimizatonAttempts, 1192 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 560 NumberOfCodeBlocks, 560 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 471 ConstructedInterpolants, 0 QuantifiedInterpolants, 1339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-18 17:23:05,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 82abe2bc16b32af306db7c09a41c9db0587ba64425916c43bed05447e1d05407 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 17:23:07,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 17:23:07,392 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-18 17:23:07,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 17:23:07,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 17:23:07,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 17:23:07,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 17:23:07,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 17:23:07,425 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 17:23:07,425 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 17:23:07,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 17:23:07,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 17:23:07,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 17:23:07,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 17:23:07,427 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 17:23:07,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 17:23:07,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 17:23:07,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 17:23:07,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 17:23:07,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 17:23:07,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 17:23:07,431 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 17:23:07,431 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 17:23:07,431 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 17:23:07,431 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 17:23:07,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 17:23:07,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 17:23:07,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 17:23:07,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 17:23:07,432 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 17:23:07,432 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 17:23:07,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 17:23:07,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 17:23:07,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 17:23:07,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 17:23:07,433 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 17:23:07,433 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 17:23:07,433 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 17:23:07,433 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 17:23:07,433 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 17:23:07,433 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 17:23:07,434 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82abe2bc16b32af306db7c09a41c9db0587ba64425916c43bed05447e1d05407 [2024-11-18 17:23:07,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 17:23:07,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 17:23:07,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 17:23:07,717 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 17:23:07,717 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 17:23:07,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-11-18 17:23:09,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 17:23:09,247 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 17:23:09,247 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-11-18 17:23:09,261 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ed1c90e/1e8ddb8a53e84a62b9d5be743d39e5b4/FLAG39627a641 [2024-11-18 17:23:09,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ed1c90e/1e8ddb8a53e84a62b9d5be743d39e5b4 [2024-11-18 17:23:09,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 17:23:09,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 17:23:09,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 17:23:09,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 17:23:09,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 17:23:09,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:23:09" (1/1) ... [2024-11-18 17:23:09,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8138e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:09, skipping insertion in model container [2024-11-18 17:23:09,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:23:09" (1/1) ... [2024-11-18 17:23:09,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 17:23:09,846 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c[1174,1187] [2024-11-18 17:23:10,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 17:23:10,070 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 17:23:10,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c[1174,1187] [2024-11-18 17:23:10,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 17:23:10,181 INFO L204 MainTranslator]: Completed translation [2024-11-18 17:23:10,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10 WrapperNode [2024-11-18 17:23:10,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 17:23:10,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 17:23:10,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 17:23:10,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 17:23:10,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10" (1/1) ... [2024-11-18 17:23:10,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10" (1/1) ... [2024-11-18 17:23:10,283 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1149 [2024-11-18 17:23:10,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 17:23:10,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 17:23:10,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 17:23:10,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 17:23:10,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10" (1/1) ... [2024-11-18 17:23:10,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10" (1/1) ... [2024-11-18 17:23:10,304 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10" (1/1) ... [2024-11-18 17:23:10,342 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 17:23:10,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10" (1/1) ... [2024-11-18 17:23:10,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10" (1/1) ... [2024-11-18 17:23:10,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10" (1/1) ... [2024-11-18 17:23:10,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10" (1/1) ... [2024-11-18 17:23:10,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10" (1/1) ... [2024-11-18 17:23:10,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10" (1/1) ... [2024-11-18 17:23:10,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 17:23:10,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 17:23:10,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 17:23:10,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 17:23:10,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10" (1/1) ... [2024-11-18 17:23:10,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 17:23:10,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 17:23:10,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 17:23:10,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 17:23:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 17:23:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 17:23:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 17:23:10,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 17:23:10,699 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 17:23:10,703 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 17:23:11,533 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-18 17:23:11,534 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 17:23:11,544 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 17:23:11,545 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 17:23:11,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:23:11 BoogieIcfgContainer [2024-11-18 17:23:11,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 17:23:11,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 17:23:11,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 17:23:11,550 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 17:23:11,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:23:09" (1/3) ... [2024-11-18 17:23:11,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e007d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:23:11, skipping insertion in model container [2024-11-18 17:23:11,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:23:10" (2/3) ... [2024-11-18 17:23:11,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e007d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:23:11, skipping insertion in model container [2024-11-18 17:23:11,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:23:11" (3/3) ... [2024-11-18 17:23:11,553 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-11-18 17:23:11,566 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 17:23:11,566 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 17:23:11,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 17:23:11,615 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;@10d61186, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 17:23:11,616 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 17:23:11,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 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) [2024-11-18 17:23:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-18 17:23:11,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 17:23:11,623 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-18 17:23:11,623 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 17:23:11,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 17:23:11,628 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-18 17:23:11,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 17:23:11,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820728172] [2024-11-18 17:23:11,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 17:23:11,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 17:23:11,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 17:23:11,641 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 17:23:11,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-18 17:23:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 17:23:11,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-18 17:23:11,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 17:23:12,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 17:23:12,189 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 17:23:12,189 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 17:23:12,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820728172] [2024-11-18 17:23:12,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820728172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 17:23:12,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 17:23:12,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 17:23:12,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244916534] [2024-11-18 17:23:12,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 17:23:12,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 17:23:12,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 17:23:12,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 17:23:12,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 17:23:12,217 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:12,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 17:23:12,298 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-18 17:23:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 17:23:12,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2024-11-18 17:23:12,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 17:23:12,305 INFO L225 Difference]: With dead ends: 18 [2024-11-18 17:23:12,306 INFO L226 Difference]: Without dead ends: 10 [2024-11-18 17:23:12,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 17:23:12,312 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 17:23:12,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 17:23:12,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-18 17:23:12,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-18 17:23:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-18 17:23:12,359 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-18 17:23:12,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 17:23:12,359 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-18 17:23:12,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 17:23:12,359 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-18 17:23:12,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-18 17:23:12,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 17:23:12,360 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-18 17:23:12,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-18 17:23:12,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 17:23:12,561 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 17:23:12,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 17:23:12,563 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-18 17:23:12,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 17:23:12,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718479990] [2024-11-18 17:23:12,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 17:23:12,565 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 17:23:12,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 17:23:12,567 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 17:23:12,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-18 17:23:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 17:23:12,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-18 17:23:12,866 INFO L278 TraceCheckSpWp]: Computing forward predicates...