./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.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 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:16:04,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:16:04,508 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 08:16:04,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:16:04,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:16:04,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:16:04,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:16:04,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:16:04,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:16:04,543 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:16:04,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:16:04,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:16:04,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:16:04,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:16:04,545 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:16:04,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:16:04,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:16:04,546 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:16:04,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 08:16:04,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:16:04,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:16:04,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:16:04,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:16:04,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:16:04,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:16:04,548 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:16:04,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:16:04,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:16:04,549 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:16:04,549 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:16:04,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:16:04,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:16:04,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:16:04,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:16:04,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:16:04,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:16:04,551 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 08:16:04,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 08:16:04,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:16:04,556 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:16:04,556 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:16:04,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:16:04,557 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc [2024-11-10 08:16:04,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:16:04,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:16:04,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:16:04,836 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:16:04,837 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:16:04,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2024-11-10 08:16:06,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:16:06,464 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:16:06,466 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2024-11-10 08:16:06,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab68e82e1/c9444c5762b94b41b1579875f7abd4d2/FLAGaba56fbe3 [2024-11-10 08:16:06,513 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab68e82e1/c9444c5762b94b41b1579875f7abd4d2 [2024-11-10 08:16:06,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:16:06,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:16:06,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:16:06,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:16:06,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:16:06,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f801f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06, skipping insertion in model container [2024-11-10 08:16:06,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:16:06,754 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-14.i[915,928] [2024-11-10 08:16:06,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:16:06,798 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:16:06,810 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-14.i[915,928] [2024-11-10 08:16:06,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:16:06,846 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:16:06,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06 WrapperNode [2024-11-10 08:16:06,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:16:06,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:16:06,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:16:06,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:16:06,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,884 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 71 [2024-11-10 08:16:06,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:16:06,889 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:16:06,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:16:06,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:16:06,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,907 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,919 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 08:16:06,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,924 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:16:06,930 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:16:06,930 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:16:06,930 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:16:06,931 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06" (1/1) ... [2024-11-10 08:16:06,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:16:06,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:16:06,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 08:16:06,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 08:16:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:16:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:16:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:16:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 08:16:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:16:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:16:07,108 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:16:07,111 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:16:07,320 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-10 08:16:07,323 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:16:07,338 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:16:07,339 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 08:16:07,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:16:07 BoogieIcfgContainer [2024-11-10 08:16:07,339 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:16:07,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:16:07,344 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:16:07,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:16:07,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:16:06" (1/3) ... [2024-11-10 08:16:07,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d7d357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:16:07, skipping insertion in model container [2024-11-10 08:16:07,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:06" (2/3) ... [2024-11-10 08:16:07,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d7d357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:16:07, skipping insertion in model container [2024-11-10 08:16:07,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:16:07" (3/3) ... [2024-11-10 08:16:07,352 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-14.i [2024-11-10 08:16:07,366 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:16:07,366 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:16:07,424 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:16:07,431 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;@72d58ff2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:16:07,431 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:16:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 08:16:07,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 08:16:07,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:16:07,444 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:16:07,444 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:16:07,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:16:07,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1149989378, now seen corresponding path program 1 times [2024-11-10 08:16:07,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:16:07,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101861404] [2024-11-10 08:16:07,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:16:07,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:16:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:16:07,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:16:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:16:07,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:16:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:16:07,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:16:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:16:07,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:16:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:16:07,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:16:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:16:07,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:16:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:16:07,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:16:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:16:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 08:16:07,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:16:07,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101861404] [2024-11-10 08:16:07,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101861404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:16:07,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:16:07,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:16:07,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213530880] [2024-11-10 08:16:07,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:16:07,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:16:07,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:16:07,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:16:07,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:16:07,774 INFO L87 Difference]: Start difference. First operand has 35 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 08:16:07,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:16:07,793 INFO L93 Difference]: Finished difference Result 62 states and 90 transitions. [2024-11-10 08:16:07,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:16:07,797 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-11-10 08:16:07,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:16:07,805 INFO L225 Difference]: With dead ends: 62 [2024-11-10 08:16:07,806 INFO L226 Difference]: Without dead ends: 30 [2024-11-10 08:16:07,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:16:07,812 INFO L432 NwaCegarLoop]: 37 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, 37 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 [2024-11-10 08:16:07,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:16:07,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-10 08:16:07,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-10 08:16:07,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 08:16:07,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2024-11-10 08:16:07,864 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 52 [2024-11-10 08:16:07,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:16:07,866 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2024-11-10 08:16:07,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 08:16:07,867 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-10 08:16:07,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 08:16:07,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:16:07,871 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:16:07,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 08:16:07,871 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:16:07,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:16:07,875 INFO L85 PathProgramCache]: Analyzing trace with hash -998574117, now seen corresponding path program 1 times [2024-11-10 08:16:07,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:16:07,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650608086] [2024-11-10 08:16:07,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:16:07,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:16:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 08:16:08,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 08:16:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 08:16:08,104 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 08:16:08,105 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 08:16:08,107 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-10 08:16:08,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 08:16:08,113 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-10 08:16:08,174 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 08:16:08,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:16:08 BoogieIcfgContainer [2024-11-10 08:16:08,178 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 08:16:08,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 08:16:08,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 08:16:08,179 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 08:16:08,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:16:07" (3/4) ... [2024-11-10 08:16:08,183 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 08:16:08,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 08:16:08,184 INFO L158 Benchmark]: Toolchain (without parser) took 1666.37ms. Allocated memory is still 153.1MB. Free memory was 124.3MB in the beginning and 108.6MB in the end (delta: 15.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-10 08:16:08,186 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 08:16:08,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.01ms. Allocated memory is still 153.1MB. Free memory was 124.1MB in the beginning and 112.3MB in the end (delta: 11.8MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-10 08:16:08,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.79ms. Allocated memory is still 153.1MB. Free memory was 112.3MB in the beginning and 110.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 08:16:08,190 INFO L158 Benchmark]: Boogie Preprocessor took 39.84ms. Allocated memory is still 153.1MB. Free memory was 110.9MB in the beginning and 108.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 08:16:08,190 INFO L158 Benchmark]: IcfgBuilder took 409.83ms. Allocated memory is still 153.1MB. Free memory was 108.8MB in the beginning and 96.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 08:16:08,190 INFO L158 Benchmark]: TraceAbstraction took 835.14ms. Allocated memory is still 153.1MB. Free memory was 96.2MB in the beginning and 108.6MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 08:16:08,190 INFO L158 Benchmark]: Witness Printer took 5.25ms. Allocated memory is still 153.1MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 08:16:08,192 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.01ms. Allocated memory is still 153.1MB. Free memory was 124.1MB in the beginning and 112.3MB in the end (delta: 11.8MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.79ms. Allocated memory is still 153.1MB. Free memory was 112.3MB in the beginning and 110.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.84ms. Allocated memory is still 153.1MB. Free memory was 110.9MB in the beginning and 108.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 409.83ms. Allocated memory is still 153.1MB. Free memory was 108.8MB in the beginning and 96.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 835.14ms. Allocated memory is still 153.1MB. Free memory was 96.2MB in the beginning and 108.6MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.25ms. Allocated memory is still 153.1MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 39. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 16.75; [L23] double var_1_5 = 2.05; [L24] double var_1_6 = 9.375; [L25] double var_1_7 = 64.4; [L26] double var_1_8 = 10000.25; [L27] signed short int var_1_9 = -2; [L28] signed short int var_1_10 = 0; [L29] unsigned short int var_1_11 = 4; [L30] unsigned short int var_1_12 = 128; VAL [isInitial=0, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_5=41/20, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L63] isInitial = 1 [L64] FCALL initially() [L65] COND TRUE 1 [L66] FCALL updateLastVariables() [L67] CALL updateVariables() [L43] var_1_5 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L44] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L45] var_1_6 = __VERIFIER_nondet_double() [L46] CALL assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L46] RET assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L47] var_1_7 = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L48] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L49] var_1_10 = __VERIFIER_nondet_short() [L50] CALL assume_abort_if_not(var_1_10 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L50] RET assume_abort_if_not(var_1_10 >= -32767) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L51] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L51] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L52] var_1_12 = __VERIFIER_nondet_ushort() [L53] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L53] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L54] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=65534, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=65534, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L54] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_12=65534, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L67] RET updateVariables() [L68] CALL step() [L34] var_1_8 = var_1_5 [L35] var_1_9 = var_1_10 [L36] var_1_11 = var_1_12 [L37] signed short int stepLocal_0 = var_1_9; VAL [isInitial=1, stepLocal_0=50, var_1_10=50, var_1_11=65534, var_1_12=65534, var_1_1=67/4, var_1_5=65539, var_1_8=65539, var_1_9=50] [L38] COND TRUE stepLocal_0 <= (var_1_11 + ((((50) > (var_1_9)) ? (50) : (var_1_9)))) [L39] var_1_1 = ((var_1_5 + var_1_6) + var_1_7) VAL [isInitial=1, var_1_10=50, var_1_11=65534, var_1_12=65534, var_1_5=65539, var_1_8=65539, var_1_9=50] [L68] RET step() [L69] CALL, EXPR property() [L59-L60] return ((((var_1_9 <= (var_1_11 + ((((50) > (var_1_9)) ? (50) : (var_1_9))))) ? (var_1_1 == ((double) ((var_1_5 + var_1_6) + var_1_7))) : 1) && (var_1_8 == ((double) var_1_5))) && (var_1_9 == ((signed short int) var_1_10))) && (var_1_11 == ((unsigned short int) var_1_12)) ; VAL [\result=0, isInitial=1, var_1_10=50, var_1_11=65534, var_1_12=65534, var_1_5=65539, var_1_8=65539, var_1_9=50] [L69] RET, EXPR property() [L69] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=50, var_1_11=65534, var_1_12=65534, var_1_5=65539, var_1_8=65539, var_1_9=50] [L19] reach_error() VAL [isInitial=1, var_1_10=50, var_1_11=65534, var_1_12=65534, var_1_5=65539, var_1_8=65539, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 37 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 84/84 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-10 08:16:08,228 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-14.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 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:16:10,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:16:10,535 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-10 08:16:10,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:16:10,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:16:10,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:16:10,565 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:16:10,565 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:16:10,566 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:16:10,566 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:16:10,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:16:10,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:16:10,568 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:16:10,569 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:16:10,569 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:16:10,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:16:10,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:16:10,570 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:16:10,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:16:10,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:16:10,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:16:10,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:16:10,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:16:10,576 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 08:16:10,577 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 08:16:10,577 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:16:10,577 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 08:16:10,577 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:16:10,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:16:10,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:16:10,579 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:16:10,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:16:10,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:16:10,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:16:10,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:16:10,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:16:10,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:16:10,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:16:10,582 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 08:16:10,582 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 08:16:10,582 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:16:10,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:16:10,583 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:16:10,583 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:16:10,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc [2024-11-10 08:16:10,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:16:10,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:16:10,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:16:10,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:16:10,943 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:16:10,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2024-11-10 08:16:12,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:16:12,773 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:16:12,773 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2024-11-10 08:16:12,780 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a33c147/e9dd7b2be6124f37a87da1337a1ba1f4/FLAG37386d93d [2024-11-10 08:16:13,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a33c147/e9dd7b2be6124f37a87da1337a1ba1f4 [2024-11-10 08:16:13,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:16:13,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:16:13,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:16:13,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:16:13,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:16:13,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3397bd73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13, skipping insertion in model container [2024-11-10 08:16:13,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:16:13,390 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-14.i[915,928] [2024-11-10 08:16:13,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:16:13,450 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:16:13,463 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-14.i[915,928] [2024-11-10 08:16:13,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:16:13,508 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:16:13,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13 WrapperNode [2024-11-10 08:16:13,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:16:13,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:16:13,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:16:13,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:16:13,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,559 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2024-11-10 08:16:13,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:16:13,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:16:13,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:16:13,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:16:13,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,578 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,596 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 08:16:13,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,608 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:16:13,617 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:16:13,618 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:16:13,618 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:16:13,619 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13" (1/1) ... [2024-11-10 08:16:13,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:16:13,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:16:13,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 08:16:13,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 08:16:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:16:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 08:16:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:16:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:16:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:16:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:16:13,802 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:16:13,805 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:16:15,596 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-10 08:16:15,596 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:16:15,610 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:16:15,610 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 08:16:15,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:16:15 BoogieIcfgContainer [2024-11-10 08:16:15,611 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:16:15,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:16:15,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:16:15,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:16:15,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:16:13" (1/3) ... [2024-11-10 08:16:15,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f9764d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:16:15, skipping insertion in model container [2024-11-10 08:16:15,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:16:13" (2/3) ... [2024-11-10 08:16:15,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f9764d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:16:15, skipping insertion in model container [2024-11-10 08:16:15,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:16:15" (3/3) ... [2024-11-10 08:16:15,622 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-14.i [2024-11-10 08:16:15,637 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:16:15,637 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:16:15,691 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:16:15,697 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;@14f3ee99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:16:15,697 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:16:15,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 08:16:15,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 08:16:15,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:16:15,710 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:16:15,710 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:16:15,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:16:15,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1149989378, now seen corresponding path program 1 times [2024-11-10 08:16:15,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 08:16:15,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69972777] [2024-11-10 08:16:15,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:16:15,731 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 08:16:15,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 08:16:15,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 08:16:15,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-10 08:16:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:16:15,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 08:16:15,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:16:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 08:16:16,005 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 08:16:16,007 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 08:16:16,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69972777] [2024-11-10 08:16:16,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69972777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:16:16,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:16:16,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:16:16,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022591314] [2024-11-10 08:16:16,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:16:16,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:16:16,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 08:16:16,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:16:16,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:16:16,035 INFO L87 Difference]: Start difference. First operand has 35 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 08:16:16,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:16:16,059 INFO L93 Difference]: Finished difference Result 62 states and 90 transitions. [2024-11-10 08:16:16,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:16:16,063 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-11-10 08:16:16,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:16:16,069 INFO L225 Difference]: With dead ends: 62 [2024-11-10 08:16:16,069 INFO L226 Difference]: Without dead ends: 30 [2024-11-10 08:16:16,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:16:16,076 INFO L432 NwaCegarLoop]: 37 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, 37 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 [2024-11-10 08:16:16,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:16:16,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-10 08:16:16,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-10 08:16:16,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 08:16:16,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2024-11-10 08:16:16,119 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 52 [2024-11-10 08:16:16,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:16:16,120 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2024-11-10 08:16:16,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 08:16:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-10 08:16:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 08:16:16,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:16:16,124 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:16:16,134 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 [2024-11-10 08:16:16,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 08:16:16,326 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:16:16,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:16:16,327 INFO L85 PathProgramCache]: Analyzing trace with hash -998574117, now seen corresponding path program 1 times [2024-11-10 08:16:16,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 08:16:16,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388856863] [2024-11-10 08:16:16,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:16:16,328 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 08:16:16,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 08:16:16,329 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 08:16:16,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-10 08:16:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:16:16,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 08:16:16,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:16:58,140 WARN L286 SmtUtils]: Spent 12.21s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-10 08:17:04,445 WARN L286 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-10 08:17:17,634 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-10 08:17:30,658 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 08:17:30,658 INFO L311 TraceCheckSpWp]: Computing backward predicates...