./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-47.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/hardness-nfm22/hardness_operatoramount_amount10_file-47.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bda6c68e75a5e1d4b22d268fd7dd6b5dc3f24d40b1359eafc553077fa5557247 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:37:20,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:37:21,031 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 23:37:21,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:37:21,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:37:21,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:37:21,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:37:21,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:37:21,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:37:21,070 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:37:21,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:37:21,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:37:21,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:37:21,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:37:21,073 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:37:21,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:37:21,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:37:21,074 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:37:21,074 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 23:37:21,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:37:21,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:37:21,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:37:21,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:37:21,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:37:21,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:37:21,080 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:37:21,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:37:21,080 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:37:21,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:37:21,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:37:21,081 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:37:21,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:37:21,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:37:21,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:37:21,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:37:21,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:37:21,082 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 23:37:21,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 23:37:21,083 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:37:21,083 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:37:21,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:37:21,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:37:21,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda6c68e75a5e1d4b22d268fd7dd6b5dc3f24d40b1359eafc553077fa5557247 [2024-11-18 23:37:21,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:37:21,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:37:21,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:37:21,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:37:21,365 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:37:21,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-47.i [2024-11-18 23:37:22,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:37:22,994 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:37:22,995 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-47.i [2024-11-18 23:37:23,002 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/856ff8ecd/7c8f8bc80a5a44d0ad36eb0e6e8accc5/FLAG35f2d7347 [2024-11-18 23:37:23,014 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/856ff8ecd/7c8f8bc80a5a44d0ad36eb0e6e8accc5 [2024-11-18 23:37:23,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:37:23,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:37:23,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:37:23,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:37:23,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:37:23,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769e214d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23, skipping insertion in model container [2024-11-18 23:37:23,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,070 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:37:23,317 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/hardness-nfm22/hardness_operatoramount_amount10_file-47.i[915,928] [2024-11-18 23:37:23,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:37:23,372 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:37:23,382 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/hardness-nfm22/hardness_operatoramount_amount10_file-47.i[915,928] [2024-11-18 23:37:23,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:37:23,405 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:37:23,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23 WrapperNode [2024-11-18 23:37:23,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:37:23,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:37:23,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:37:23,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:37:23,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,438 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2024-11-18 23:37:23,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:37:23,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:37:23,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:37:23,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:37:23,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,451 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,461 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 23:37:23,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:37:23,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:37:23,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:37:23,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:37:23,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23" (1/1) ... [2024-11-18 23:37:23,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:37:23,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:37:23,512 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 23:37:23,514 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 23:37:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:37:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:37:23,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:37:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 23:37:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:37:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:37:23,618 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:37:23,621 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:37:23,800 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-18 23:37:23,801 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:37:23,811 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:37:23,811 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:37:23,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:37:23 BoogieIcfgContainer [2024-11-18 23:37:23,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:37:23,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:37:23,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:37:23,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:37:23,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:37:23" (1/3) ... [2024-11-18 23:37:23,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2928c6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:37:23, skipping insertion in model container [2024-11-18 23:37:23,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:23" (2/3) ... [2024-11-18 23:37:23,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2928c6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:37:23, skipping insertion in model container [2024-11-18 23:37:23,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:37:23" (3/3) ... [2024-11-18 23:37:23,819 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-47.i [2024-11-18 23:37:23,832 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:37:23,833 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:37:23,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:37:23,885 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;@5b3cbff2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:37:23,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:37:23,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 32 states have internal predecessors, (43), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-18 23:37:23,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-18 23:37:23,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:37:23,898 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:37:23,899 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:37:23,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:37:23,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1632482692, now seen corresponding path program 1 times [2024-11-18 23:37:23,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:37:23,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927105605] [2024-11-18 23:37:23,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:37:23,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:37:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:37:24,092 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-18 23:37:24,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:37:24,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927105605] [2024-11-18 23:37:24,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927105605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:37:24,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587562214] [2024-11-18 23:37:24,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:37:24,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:37:24,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:37:24,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:37:24,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 23:37:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:37:24,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:37:24,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:37:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-18 23:37:24,202 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:37:24,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587562214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:37:24,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 23:37:24,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 23:37:24,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275340260] [2024-11-18 23:37:24,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:37:24,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:37:24,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:37:24,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:37:24,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:37:24,235 INFO L87 Difference]: Start difference. First operand has 43 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 32 states have internal predecessors, (43), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-18 23:37:24,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:37:24,251 INFO L93 Difference]: Finished difference Result 79 states and 125 transitions. [2024-11-18 23:37:24,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:37:24,254 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2024-11-18 23:37:24,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:37:24,259 INFO L225 Difference]: With dead ends: 79 [2024-11-18 23:37:24,259 INFO L226 Difference]: Without dead ends: 39 [2024-11-18 23:37:24,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:37:24,265 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:37:24,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:37:24,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-18 23:37:24,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-18 23:37:24,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-18 23:37:24,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2024-11-18 23:37:24,297 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 63 [2024-11-18 23:37:24,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:37:24,298 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2024-11-18 23:37:24,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-18 23:37:24,298 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-18 23:37:24,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-18 23:37:24,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:37:24,300 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:37:24,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-18 23:37:24,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 23:37:24,505 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:37:24,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:37:24,506 INFO L85 PathProgramCache]: Analyzing trace with hash 92022074, now seen corresponding path program 1 times [2024-11-18 23:37:24,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:37:24,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368206365] [2024-11-18 23:37:24,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:37:24,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:37:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:37:24,647 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-18 23:37:24,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:37:24,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368206365] [2024-11-18 23:37:24,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368206365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:37:24,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:37:24,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 23:37:24,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283908213] [2024-11-18 23:37:24,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:37:24,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 23:37:24,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:37:24,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 23:37:24,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 23:37:24,655 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-18 23:37:24,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:37:24,680 INFO L93 Difference]: Finished difference Result 76 states and 107 transitions. [2024-11-18 23:37:24,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 23:37:24,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 63 [2024-11-18 23:37:24,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:37:24,683 INFO L225 Difference]: With dead ends: 76 [2024-11-18 23:37:24,683 INFO L226 Difference]: Without dead ends: 40 [2024-11-18 23:37:24,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 23:37:24,685 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:37:24,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:37:24,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-18 23:37:24,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-18 23:37:24,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-18 23:37:24,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 55 transitions. [2024-11-18 23:37:24,692 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 55 transitions. Word has length 63 [2024-11-18 23:37:24,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:37:24,693 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 55 transitions. [2024-11-18 23:37:24,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-18 23:37:24,694 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2024-11-18 23:37:24,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-18 23:37:24,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:37:24,695 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:37:24,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 23:37:24,696 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:37:24,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:37:24,696 INFO L85 PathProgramCache]: Analyzing trace with hash -309560134, now seen corresponding path program 1 times [2024-11-18 23:37:24,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:37:24,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812354089] [2024-11-18 23:37:24,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:37:24,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:37:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:37:24,956 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-18 23:37:24,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:37:24,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812354089] [2024-11-18 23:37:24,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812354089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:37:24,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:37:24,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 23:37:24,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479813761] [2024-11-18 23:37:24,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:37:24,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 23:37:24,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:37:24,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 23:37:24,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-18 23:37:24,958 INFO L87 Difference]: Start difference. First operand 40 states and 55 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-18 23:37:25,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:37:25,031 INFO L93 Difference]: Finished difference Result 90 states and 125 transitions. [2024-11-18 23:37:25,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 23:37:25,032 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 64 [2024-11-18 23:37:25,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:37:25,033 INFO L225 Difference]: With dead ends: 90 [2024-11-18 23:37:25,033 INFO L226 Difference]: Without dead ends: 53 [2024-11-18 23:37:25,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 23:37:25,034 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 12 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:37:25,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 180 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:37:25,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-18 23:37:25,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2024-11-18 23:37:25,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-18 23:37:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 67 transitions. [2024-11-18 23:37:25,039 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 67 transitions. Word has length 64 [2024-11-18 23:37:25,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:37:25,040 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 67 transitions. [2024-11-18 23:37:25,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-18 23:37:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2024-11-18 23:37:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-18 23:37:25,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:37:25,042 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:37:25,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 23:37:25,042 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:37:25,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:37:25,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1850669615, now seen corresponding path program 1 times [2024-11-18 23:37:25,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:37:25,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454744534] [2024-11-18 23:37:25,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:37:25,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:37:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:37:25,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 23:37:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:37:25,096 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 23:37:25,096 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 23:37:25,097 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 23:37:25,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 23:37:25,100 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-18 23:37:25,128 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 23:37:25,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:37:25 BoogieIcfgContainer [2024-11-18 23:37:25,130 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 23:37:25,131 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 23:37:25,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 23:37:25,131 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 23:37:25,131 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:37:23" (3/4) ... [2024-11-18 23:37:25,133 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 23:37:25,134 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 23:37:25,135 INFO L158 Benchmark]: Toolchain (without parser) took 2116.98ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 80.2MB in the end (delta: 4.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-18 23:37:25,135 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:37:25,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.62ms. Allocated memory is still 155.2MB. Free memory was 84.8MB in the beginning and 124.0MB in the end (delta: -39.1MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-18 23:37:25,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.73ms. Allocated memory is still 155.2MB. Free memory was 124.0MB in the beginning and 121.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:37:25,136 INFO L158 Benchmark]: Boogie Preprocessor took 36.31ms. Allocated memory is still 155.2MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:37:25,136 INFO L158 Benchmark]: RCFGBuilder took 335.35ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 106.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 23:37:25,136 INFO L158 Benchmark]: TraceAbstraction took 1316.77ms. Allocated memory is still 155.2MB. Free memory was 105.7MB in the beginning and 80.2MB in the end (delta: 25.4MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-18 23:37:25,137 INFO L158 Benchmark]: Witness Printer took 3.57ms. Allocated memory is still 155.2MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:37:25,138 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 155.2MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.62ms. Allocated memory is still 155.2MB. Free memory was 84.8MB in the beginning and 124.0MB in the end (delta: -39.1MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.73ms. Allocated memory is still 155.2MB. Free memory was 124.0MB in the beginning and 121.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.31ms. Allocated memory is still 155.2MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.35ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 106.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1316.77ms. Allocated memory is still 155.2MB. Free memory was 105.7MB in the beginning and 80.2MB in the end (delta: 25.4MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 3.57ms. Allocated memory is still 155.2MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 25.25; [L23] signed short int var_1_2 = -25; [L24] signed short int var_1_3 = -500; [L25] unsigned char var_1_4 = 1; [L26] unsigned char var_1_5 = 0; [L27] double var_1_6 = 127.25; VAL [isInitial=0, var_1_1=101/4, var_1_2=-25, var_1_3=-500, var_1_4=1, var_1_5=0, var_1_6=509/4] [L64] isInitial = 1 [L65] FCALL initially() [L66] COND TRUE 1 [L67] FCALL updateLastVariables() [L68] CALL updateVariables() [L42] var_1_2 = __VERIFIER_nondet_short() [L43] CALL assume_abort_if_not(var_1_2 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=-500, var_1_4=1, var_1_5=0, var_1_6=509/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=-500, var_1_4=1, var_1_5=0, var_1_6=509/4] [L43] RET assume_abort_if_not(var_1_2 >= -32768) VAL [isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=-500, var_1_4=1, var_1_5=0, var_1_6=509/4] [L44] CALL assume_abort_if_not(var_1_2 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=-500, var_1_4=1, var_1_5=0, var_1_6=509/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=-500, var_1_4=1, var_1_5=0, var_1_6=509/4] [L44] RET assume_abort_if_not(var_1_2 <= 32767) VAL [isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=-500, var_1_4=1, var_1_5=0, var_1_6=509/4] [L45] var_1_3 = __VERIFIER_nondet_short() [L46] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=509/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=509/4] [L46] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=509/4] [L47] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=509/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=509/4] [L47] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=509/4] [L48] var_1_4 = __VERIFIER_nondet_uchar() [L49] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_5=0, var_1_6=509/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_5=0, var_1_6=509/4] [L49] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_5=0, var_1_6=509/4] [L50] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=509/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=509/4] [L50] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=509/4] [L51] var_1_5 = __VERIFIER_nondet_uchar() [L52] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=509/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=509/4] [L52] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=509/4] [L53] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=509/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=509/4] [L53] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=509/4] [L54] var_1_6 = __VERIFIER_nondet_double() [L55] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1] [L55] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1] [L68] RET updateVariables() [L69] CALL step() [L31] EXPR var_1_2 & var_1_3 VAL [isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1] [L31] COND TRUE (var_1_2 & var_1_3) >= -64 [L32] COND TRUE var_1_2 > var_1_3 VAL [isInitial=1, var_1_1=101/4, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1] [L33] COND TRUE (var_1_2 > var_1_3) && (var_1_4 || var_1_5) [L34] var_1_1 = var_1_6 VAL [isInitial=1, var_1_1=132, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=132] [L69] RET step() [L70] CALL, EXPR property() [L60] EXPR var_1_2 & var_1_3 VAL [isInitial=1, var_1_1=132, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=132] [L60-L61] return ((var_1_2 & var_1_3) >= -64) ? ((var_1_2 > var_1_3) ? (((var_1_2 > var_1_3) && (var_1_4 || var_1_5)) ? (var_1_1 == ((double) var_1_6)) : (var_1_1 == ((double) var_1_6))) : 1) : 1 ; [L70] RET, EXPR property() [L70] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=132, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=132] [L19] reach_error() VAL [isInitial=1, var_1_1=132, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=132] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 334 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 156 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=3, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 149 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 560/576 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 23:37:25,161 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/hardness-nfm22/hardness_operatoramount_amount10_file-47.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash bda6c68e75a5e1d4b22d268fd7dd6b5dc3f24d40b1359eafc553077fa5557247 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:37:27,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:37:27,348 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 23:37:27,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:37:27,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:37:27,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:37:27,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:37:27,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:37:27,393 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:37:27,393 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:37:27,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:37:27,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:37:27,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:37:27,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:37:27,395 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:37:27,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:37:27,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:37:27,396 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:37:27,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:37:27,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:37:27,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:37:27,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:37:27,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:37:27,397 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 23:37:27,397 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 23:37:27,398 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:37:27,398 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 23:37:27,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:37:27,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:37:27,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:37:27,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:37:27,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:37:27,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:37:27,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:37:27,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:37:27,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:37:27,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:37:27,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:37:27,400 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 23:37:27,404 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 23:37:27,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:37:27,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:37:27,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:37:27,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:37:27,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda6c68e75a5e1d4b22d268fd7dd6b5dc3f24d40b1359eafc553077fa5557247 [2024-11-18 23:37:27,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:37:27,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:37:27,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:37:27,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:37:27,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:37:27,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-47.i [2024-11-18 23:37:29,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:37:29,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:37:29,453 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-47.i [2024-11-18 23:37:29,461 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44eb0d910/c076e72147c2466988f2fcdd50125264/FLAGdd267bec4 [2024-11-18 23:37:29,475 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44eb0d910/c076e72147c2466988f2fcdd50125264 [2024-11-18 23:37:29,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:37:29,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:37:29,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:37:29,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:37:29,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:37:29,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d246dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29, skipping insertion in model container [2024-11-18 23:37:29,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:37:29,666 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/hardness-nfm22/hardness_operatoramount_amount10_file-47.i[915,928] [2024-11-18 23:37:29,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:37:29,716 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:37:29,726 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/hardness-nfm22/hardness_operatoramount_amount10_file-47.i[915,928] [2024-11-18 23:37:29,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:37:29,755 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:37:29,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29 WrapperNode [2024-11-18 23:37:29,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:37:29,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:37:29,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:37:29,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:37:29,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,793 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 69 [2024-11-18 23:37:29,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:37:29,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:37:29,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:37:29,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:37:29,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,808 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,822 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 23:37:29,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:37:29,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:37:29,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:37:29,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:37:29,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29" (1/1) ... [2024-11-18 23:37:29,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:37:29,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:37:29,877 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 23:37:29,880 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 23:37:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:37:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 23:37:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:37:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:37:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:37:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:37:29,988 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:37:29,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:37:30,190 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-18 23:37:30,190 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:37:30,209 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:37:30,209 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:37:30,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:37:30 BoogieIcfgContainer [2024-11-18 23:37:30,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:37:30,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:37:30,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:37:30,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:37:30,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:37:29" (1/3) ... [2024-11-18 23:37:30,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f07d7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:37:30, skipping insertion in model container [2024-11-18 23:37:30,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:37:29" (2/3) ... [2024-11-18 23:37:30,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f07d7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:37:30, skipping insertion in model container [2024-11-18 23:37:30,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:37:30" (3/3) ... [2024-11-18 23:37:30,219 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-47.i [2024-11-18 23:37:30,234 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:37:30,234 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:37:30,306 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:37:30,312 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;@4c89958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:37:30,313 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:37:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 25 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-18 23:37:30,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-18 23:37:30,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:37:30,325 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:37:30,325 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:37:30,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:37:30,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1788319009, now seen corresponding path program 1 times [2024-11-18 23:37:30,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:37:30,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347735875] [2024-11-18 23:37:30,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:37:30,342 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 23:37:30,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:37:30,345 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 23:37:30,346 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 23:37:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:37:30,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:37:30,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:37:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-18 23:37:30,489 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:37:30,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:37:30,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347735875] [2024-11-18 23:37:30,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347735875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:37:30,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:37:30,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 23:37:30,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776307507] [2024-11-18 23:37:30,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:37:30,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:37:30,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:37:30,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:37:30,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:37:30,541 INFO L87 Difference]: Start difference. First operand has 36 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 25 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-18 23:37:30,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:37:30,559 INFO L93 Difference]: Finished difference Result 65 states and 103 transitions. [2024-11-18 23:37:30,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:37:30,562 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2024-11-18 23:37:30,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:37:30,568 INFO L225 Difference]: With dead ends: 65 [2024-11-18 23:37:30,568 INFO L226 Difference]: Without dead ends: 32 [2024-11-18 23:37:30,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:37:30,574 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:37:30,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:37:30,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-18 23:37:30,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-18 23:37:30,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-18 23:37:30,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2024-11-18 23:37:30,611 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 43 transitions. Word has length 60 [2024-11-18 23:37:30,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:37:30,612 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 43 transitions. [2024-11-18 23:37:30,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-18 23:37:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2024-11-18 23:37:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-18 23:37:30,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:37:30,616 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:37:30,621 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 23:37:30,817 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 23:37:30,817 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:37:30,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:37:30,818 INFO L85 PathProgramCache]: Analyzing trace with hash 848607457, now seen corresponding path program 1 times [2024-11-18 23:37:30,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:37:30,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512117394] [2024-11-18 23:37:30,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:37:30,819 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 23:37:30,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:37:30,821 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 23:37:30,823 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 23:37:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:37:30,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-18 23:37:30,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:37:31,102 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-18 23:37:31,102 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:37:31,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:37:31,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512117394] [2024-11-18 23:37:31,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512117394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:37:31,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:37:31,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 23:37:31,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560265109] [2024-11-18 23:37:31,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:37:31,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 23:37:31,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:37:31,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 23:37:31,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 23:37:31,108 INFO L87 Difference]: Start difference. First operand 32 states and 43 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-18 23:37:31,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:37:31,181 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2024-11-18 23:37:31,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 23:37:31,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 60 [2024-11-18 23:37:31,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:37:31,183 INFO L225 Difference]: With dead ends: 40 [2024-11-18 23:37:31,183 INFO L226 Difference]: Without dead ends: 38 [2024-11-18 23:37:31,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-18 23:37:31,185 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 7 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:37:31,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 145 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:37:31,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-18 23:37:31,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2024-11-18 23:37:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-18 23:37:31,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2024-11-18 23:37:31,192 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 60 [2024-11-18 23:37:31,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:37:31,194 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2024-11-18 23:37:31,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-18 23:37:31,194 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-11-18 23:37:31,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-18 23:37:31,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:37:31,195 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:37:31,202 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 (3)] Ended with exit code 0 [2024-11-18 23:37:31,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 23:37:31,401 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:37:31,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:37:31,402 INFO L85 PathProgramCache]: Analyzing trace with hash 131539201, now seen corresponding path program 1 times [2024-11-18 23:37:31,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:37:31,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1400750807] [2024-11-18 23:37:31,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:37:31,404 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 23:37:31,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:37:31,406 INFO L229 MonitoredProcess]: Starting monitored process 4 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 23:37:31,407 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 (4)] Waiting until timeout for monitored process [2024-11-18 23:37:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:37:31,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-18 23:37:31,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:37:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-18 23:37:31,591 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:37:31,591 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:37:31,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1400750807] [2024-11-18 23:37:31,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1400750807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:37:31,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:37:31,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 23:37:31,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093251142] [2024-11-18 23:37:31,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:37:31,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 23:37:31,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:37:31,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 23:37:31,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-18 23:37:31,593 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-18 23:37:31,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:37:31,686 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2024-11-18 23:37:31,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 23:37:31,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 61 [2024-11-18 23:37:31,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:37:31,688 INFO L225 Difference]: With dead ends: 46 [2024-11-18 23:37:31,690 INFO L226 Difference]: Without dead ends: 44 [2024-11-18 23:37:31,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-18 23:37:31,692 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 20 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 23:37:31,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 152 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 23:37:31,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-18 23:37:31,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 35. [2024-11-18 23:37:31,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-18 23:37:31,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2024-11-18 23:37:31,699 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 61 [2024-11-18 23:37:31,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:37:31,699 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2024-11-18 23:37:31,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-18 23:37:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-11-18 23:37:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-18 23:37:31,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:37:31,705 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:37:31,713 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 (4)] Ended with exit code 0 [2024-11-18 23:37:31,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 23:37:31,909 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:37:31,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:37:31,914 INFO L85 PathProgramCache]: Analyzing trace with hash -455582954, now seen corresponding path program 1 times [2024-11-18 23:37:31,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:37:31,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185223855] [2024-11-18 23:37:31,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:37:31,914 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 23:37:31,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:37:31,919 INFO L229 MonitoredProcess]: Starting monitored process 5 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 23:37:31,921 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 (5)] Waiting until timeout for monitored process [2024-11-18 23:37:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:37:31,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-18 23:37:31,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:37:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-18 23:37:32,397 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:37:32,398 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:37:32,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185223855] [2024-11-18 23:37:32,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185223855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:37:32,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:37:32,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-18 23:37:32,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786405449] [2024-11-18 23:37:32,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:37:32,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-18 23:37:32,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:37:32,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-18 23:37:32,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-18 23:37:32,400 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-18 23:37:33,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:37:33,294 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2024-11-18 23:37:33,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-18 23:37:33,295 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 62 [2024-11-18 23:37:33,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:37:33,296 INFO L225 Difference]: With dead ends: 50 [2024-11-18 23:37:33,296 INFO L226 Difference]: Without dead ends: 0 [2024-11-18 23:37:33,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2024-11-18 23:37:33,297 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 47 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 23:37:33,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 149 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 23:37:33,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-18 23:37:33,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-18 23:37:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 23:37:33,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-18 23:37:33,298 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2024-11-18 23:37:33,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:37:33,298 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-18 23:37:33,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-18 23:37:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-18 23:37:33,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-18 23:37:33,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 23:37:33,314 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 (5)] Ended with exit code 0 [2024-11-18 23:37:33,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 23:37:33,513 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-18 23:37:33,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-18 23:37:33,944 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 23:37:33,959 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-18 23:37:33,960 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-18 23:37:33,961 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-18 23:37:33,961 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-18 23:37:33,961 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-18 23:37:33,961 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-18 23:37:33,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-18 23:37:33,967 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-18 23:37:33,967 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-18 23:37:33,967 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-18 23:37:33,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:37:33 BoogieIcfgContainer [2024-11-18 23:37:33,972 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 23:37:33,972 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 23:37:33,973 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 23:37:33,973 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 23:37:33,973 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:37:30" (3/4) ... [2024-11-18 23:37:33,976 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-18 23:37:33,979 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-18 23:37:33,984 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-18 23:37:33,984 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-18 23:37:33,984 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-18 23:37:33,984 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-18 23:37:34,093 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 23:37:34,093 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-18 23:37:34,093 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 23:37:34,094 INFO L158 Benchmark]: Toolchain (without parser) took 4615.55ms. Allocated memory was 65.0MB in the beginning and 98.6MB in the end (delta: 33.6MB). Free memory was 34.0MB in the beginning and 73.0MB in the end (delta: -38.9MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-11-18 23:37:34,094 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 50.3MB. Free memory was 33.0MB in the beginning and 32.9MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:37:34,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.74ms. Allocated memory is still 65.0MB. Free memory was 33.8MB in the beginning and 38.3MB in the end (delta: -4.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-11-18 23:37:34,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.63ms. Allocated memory is still 65.0MB. Free memory was 38.3MB in the beginning and 36.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:37:34,095 INFO L158 Benchmark]: Boogie Preprocessor took 48.36ms. Allocated memory is still 65.0MB. Free memory was 36.5MB in the beginning and 34.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:37:34,095 INFO L158 Benchmark]: RCFGBuilder took 365.51ms. Allocated memory is still 65.0MB. Free memory was 34.5MB in the beginning and 39.4MB in the end (delta: -4.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-18 23:37:34,096 INFO L158 Benchmark]: TraceAbstraction took 3760.50ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 38.7MB in the beginning and 27.6MB in the end (delta: 11.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-18 23:37:34,096 INFO L158 Benchmark]: Witness Printer took 121.02ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 27.6MB in the beginning and 73.0MB in the end (delta: -45.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:37:34,098 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 50.3MB. Free memory was 33.0MB in the beginning and 32.9MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.74ms. Allocated memory is still 65.0MB. Free memory was 33.8MB in the beginning and 38.3MB in the end (delta: -4.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.63ms. Allocated memory is still 65.0MB. Free memory was 38.3MB in the beginning and 36.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.36ms. Allocated memory is still 65.0MB. Free memory was 36.5MB in the beginning and 34.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.51ms. Allocated memory is still 65.0MB. Free memory was 34.5MB in the beginning and 39.4MB in the end (delta: -4.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3760.50ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 38.7MB in the beginning and 27.6MB in the end (delta: 11.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Witness Printer took 121.02ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 27.6MB in the beginning and 73.0MB in the end (delta: -45.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 4, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 489 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 331 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 222 IncrementalHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 158 mSDtfsCounter, 222 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 252 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 594 SizeOfPredicates, 13 NumberOfNonLiveVariables, 401 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 576/576 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && (((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6)))) RESULT: Ultimate proved your program to be correct! [2024-11-18 23:37:34,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE