./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.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 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 12:29:43,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 12:29:43,483 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 12:29:43,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 12:29:43,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 12:29:43,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 12:29:43,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 12:29:43,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 12:29:43,512 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 12:29:43,513 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 12:29:43,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 12:29:43,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 12:29:43,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 12:29:43,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 12:29:43,515 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 12:29:43,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 12:29:43,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 12:29:43,516 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 12:29:43,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 12:29:43,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 12:29:43,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 12:29:43,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 12:29:43,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 12:29:43,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 12:29:43,519 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 12:29:43,519 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 12:29:43,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 12:29:43,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 12:29:43,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 12:29:43,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 12:29:43,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 12:29:43,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 12:29:43,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:29:43,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 12:29:43,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 12:29:43,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 12:29:43,522 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 12:29:43,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 12:29:43,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 12:29:43,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 12:29:43,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 12:29:43,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 12:29:43,527 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 [2024-10-14 12:29:43,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 12:29:43,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 12:29:43,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 12:29:43,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 12:29:43,845 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 12:29:43,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2024-10-14 12:29:45,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 12:29:45,681 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 12:29:45,682 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2024-10-14 12:29:45,690 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e26f28cf/45af458e10f84cd8a6c36de6edf0afc3/FLAGfaaaf6f7e [2024-10-14 12:29:46,053 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e26f28cf/45af458e10f84cd8a6c36de6edf0afc3 [2024-10-14 12:29:46,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 12:29:46,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 12:29:46,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 12:29:46,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 12:29:46,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 12:29:46,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298968bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46, skipping insertion in model container [2024-10-14 12:29:46,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 12:29:46,274 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2024-10-14 12:29:46,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:29:46,337 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 12:29:46,349 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2024-10-14 12:29:46,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:29:46,382 INFO L204 MainTranslator]: Completed translation [2024-10-14 12:29:46,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46 WrapperNode [2024-10-14 12:29:46,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 12:29:46,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 12:29:46,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 12:29:46,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 12:29:46,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,426 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2024-10-14 12:29:46,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 12:29:46,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 12:29:46,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 12:29:46,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 12:29:46,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,443 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,456 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 12:29:46,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 12:29:46,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 12:29:46,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 12:29:46,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 12:29:46,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46" (1/1) ... [2024-10-14 12:29:46,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:29:46,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:29:46,523 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) [2024-10-14 12:29:46,527 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 [2024-10-14 12:29:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 12:29:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 12:29:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 12:29:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 12:29:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 12:29:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 12:29:46,666 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 12:29:46,669 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 12:29:46,887 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-14 12:29:46,887 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 12:29:46,948 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 12:29:46,949 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 12:29:46,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:29:46 BoogieIcfgContainer [2024-10-14 12:29:46,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 12:29:46,958 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 12:29:46,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 12:29:46,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 12:29:46,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:29:46" (1/3) ... [2024-10-14 12:29:46,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4606d8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:29:46, skipping insertion in model container [2024-10-14 12:29:46,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:46" (2/3) ... [2024-10-14 12:29:46,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4606d8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:29:46, skipping insertion in model container [2024-10-14 12:29:46,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:29:46" (3/3) ... [2024-10-14 12:29:46,968 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-96.i [2024-10-14 12:29:46,987 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 12:29:46,988 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 12:29:47,073 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 12:29:47,113 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;@58dce12f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 12:29:47,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 12:29:47,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 12:29:47,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 12:29:47,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:29:47,144 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:29:47,145 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:29:47,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:29:47,177 INFO L85 PathProgramCache]: Analyzing trace with hash -448125412, now seen corresponding path program 1 times [2024-10-14 12:29:47,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:29:47,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839452436] [2024-10-14 12:29:47,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:29:47,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:29:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:47,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:29:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:47,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:29:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:47,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:29:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:47,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:29:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:47,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:29:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:47,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:29:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:47,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:29:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:47,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 12:29:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:47,529 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 12:29:47,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:29:47,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839452436] [2024-10-14 12:29:47,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839452436] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:29:47,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:29:47,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 12:29:47,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253696261] [2024-10-14 12:29:47,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:29:47,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 12:29:47,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:29:47,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 12:29:47,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:29:47,576 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 12:29:47,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:29:47,620 INFO L93 Difference]: Finished difference Result 51 states and 82 transitions. [2024-10-14 12:29:47,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 12:29:47,624 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 51 [2024-10-14 12:29:47,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:29:47,632 INFO L225 Difference]: With dead ends: 51 [2024-10-14 12:29:47,632 INFO L226 Difference]: Without dead ends: 25 [2024-10-14 12:29:47,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:29:47,641 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 12:29:47,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:29:47,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-14 12:29:47,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-14 12:29:47,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 12:29:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2024-10-14 12:29:47,692 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 33 transitions. Word has length 51 [2024-10-14 12:29:47,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:29:47,693 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 33 transitions. [2024-10-14 12:29:47,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 12:29:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-10-14 12:29:47,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 12:29:47,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:29:47,698 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:29:47,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 12:29:47,699 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:29:47,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:29:47,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1551569368, now seen corresponding path program 1 times [2024-10-14 12:29:47,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:29:47,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72331274] [2024-10-14 12:29:47,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:29:47,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:29:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 12:29:47,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 12:29:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 12:29:47,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 12:29:47,872 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 12:29:47,874 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 12:29:47,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 12:29:47,880 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 12:29:47,931 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 12:29:47,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:29:47 BoogieIcfgContainer [2024-10-14 12:29:47,935 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 12:29:47,936 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 12:29:47,936 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 12:29:47,936 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 12:29:47,937 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:29:46" (3/4) ... [2024-10-14 12:29:47,940 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 12:29:47,941 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 12:29:47,942 INFO L158 Benchmark]: Toolchain (without parser) took 1884.25ms. Allocated memory is still 153.1MB. Free memory was 98.5MB in the beginning and 90.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-10-14 12:29:47,942 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 153.1MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 12:29:47,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.05ms. Allocated memory is still 153.1MB. Free memory was 98.5MB in the beginning and 86.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 12:29:47,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.52ms. Allocated memory is still 153.1MB. Free memory was 86.3MB in the beginning and 84.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 12:29:47,947 INFO L158 Benchmark]: Boogie Preprocessor took 45.77ms. Allocated memory is still 153.1MB. Free memory was 84.3MB in the beginning and 82.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 12:29:47,948 INFO L158 Benchmark]: RCFGBuilder took 472.77ms. Allocated memory is still 153.1MB. Free memory was 82.2MB in the beginning and 67.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 12:29:47,949 INFO L158 Benchmark]: TraceAbstraction took 977.77ms. Allocated memory is still 153.1MB. Free memory was 67.1MB in the beginning and 90.1MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 12:29:47,949 INFO L158 Benchmark]: Witness Printer took 5.30ms. Allocated memory is still 153.1MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 12:29:47,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 153.1MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.05ms. Allocated memory is still 153.1MB. Free memory was 98.5MB in the beginning and 86.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.52ms. Allocated memory is still 153.1MB. Free memory was 86.3MB in the beginning and 84.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.77ms. Allocated memory is still 153.1MB. Free memory was 84.3MB in the beginning and 82.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.77ms. Allocated memory is still 153.1MB. Free memory was 82.2MB in the beginning and 67.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 977.77ms. Allocated memory is still 153.1MB. Free memory was 67.1MB in the beginning and 90.1MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.30ms. Allocated memory is still 153.1MB. Free memory is still 90.1MB. 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 someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryArithmeticFLOAToperation at line 33. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_3 = 0; [L24] unsigned char var_1_4 = 128; [L25] unsigned char var_1_5 = 2; [L26] float var_1_6 = 3.9; [L27] float var_1_7 = 5.75; [L28] float var_1_8 = 31.25; [L29] signed short int var_1_9 = -32; [L62] isInitial = 1 [L63] FCALL initially() [L64] COND TRUE 1 [L65] FCALL updateLastVariables() [L66] CALL updateVariables() [L41] var_1_3 = __VERIFIER_nondet_uchar() [L42] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L42] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=5, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L43] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L43] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L44] var_1_4 = __VERIFIER_nondet_uchar() [L45] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L45] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L46] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L46] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L47] var_1_5 = __VERIFIER_nondet_uchar() [L48] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L48] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L49] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L49] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L50] var_1_7 = __VERIFIER_nondet_float() [L51] 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_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_8=125/4, var_1_9=-32] [L51] 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_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_8=125/4, var_1_9=-32] [L52] var_1_8 = __VERIFIER_nondet_float() [L53] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_9=-32] [L53] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_9=-32] [L66] RET updateVariables() [L67] CALL step() [L33] var_1_6 = (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + ((((127.5f) < (var_1_8)) ? (127.5f) : (var_1_8)))) [L34] var_1_9 = var_1_4 [L35] unsigned char stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=-255, var_1_1=5, var_1_3=-255, var_1_4=-32385, var_1_5=127, var_1_9=127] [L36] COND TRUE (-1000000000 < var_1_9) || stepLocal_0 [L37] var_1_1 = (var_1_4 - var_1_5) VAL [isInitial=1, var_1_1=0, var_1_3=-255, var_1_4=-32385, var_1_5=127, var_1_9=127] [L67] RET step() [L68] CALL, EXPR property() [L58-L59] return ((((-1000000000 < var_1_9) || var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : 1) && (var_1_6 == ((float) (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + ((((127.5f) < (var_1_8)) ? (127.5f) : (var_1_8))))))) && (var_1_9 == ((signed short int) var_1_4)) ; [L68] RET, EXPR property() [L68] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=0, var_1_3=-255, var_1_4=-32385, var_1_5=127, var_1_9=127] [L19] reach_error() VAL [isInitial=1, var_1_1=0, var_1_3=-255, var_1_4=-32385, var_1_5=127, var_1_9=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 8, 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, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 30 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 112/112 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-14 12:29:47,990 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/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.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 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 12:29:50,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 12:29:50,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 12:29:50,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 12:29:50,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 12:29:50,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 12:29:50,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 12:29:50,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 12:29:50,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 12:29:50,552 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 12:29:50,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 12:29:50,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 12:29:50,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 12:29:50,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 12:29:50,555 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 12:29:50,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 12:29:50,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 12:29:50,556 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 12:29:50,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 12:29:50,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 12:29:50,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 12:29:50,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 12:29:50,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 12:29:50,558 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 12:29:50,558 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 12:29:50,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 12:29:50,559 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 12:29:50,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 12:29:50,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 12:29:50,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 12:29:50,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 12:29:50,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 12:29:50,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 12:29:50,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 12:29:50,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:29:50,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 12:29:50,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 12:29:50,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 12:29:50,562 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 12:29:50,563 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 12:29:50,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 12:29:50,564 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 12:29:50,564 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 12:29:50,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 12:29:50,565 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 12:29:50,565 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 [2024-10-14 12:29:50,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 12:29:50,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 12:29:50,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 12:29:50,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 12:29:50,932 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 12:29:50,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2024-10-14 12:29:52,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 12:29:52,869 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 12:29:52,870 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2024-10-14 12:29:52,883 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20bcbcd7e/99297c8c716d4a04ae351e27cf9b7b03/FLAG8060be67c [2024-10-14 12:29:52,900 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20bcbcd7e/99297c8c716d4a04ae351e27cf9b7b03 [2024-10-14 12:29:52,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 12:29:52,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 12:29:52,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 12:29:52,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 12:29:52,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 12:29:52,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:29:52" (1/1) ... [2024-10-14 12:29:52,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146c2c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:52, skipping insertion in model container [2024-10-14 12:29:52,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:29:52" (1/1) ... [2024-10-14 12:29:52,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 12:29:53,113 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2024-10-14 12:29:53,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:29:53,186 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 12:29:53,200 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2024-10-14 12:29:53,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:29:53,249 INFO L204 MainTranslator]: Completed translation [2024-10-14 12:29:53,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53 WrapperNode [2024-10-14 12:29:53,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 12:29:53,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 12:29:53,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 12:29:53,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 12:29:53,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53" (1/1) ... [2024-10-14 12:29:53,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53" (1/1) ... [2024-10-14 12:29:53,300 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2024-10-14 12:29:53,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 12:29:53,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 12:29:53,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 12:29:53,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 12:29:53,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53" (1/1) ... [2024-10-14 12:29:53,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53" (1/1) ... [2024-10-14 12:29:53,318 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53" (1/1) ... [2024-10-14 12:29:53,340 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 12:29:53,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53" (1/1) ... [2024-10-14 12:29:53,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53" (1/1) ... [2024-10-14 12:29:53,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53" (1/1) ... [2024-10-14 12:29:53,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53" (1/1) ... [2024-10-14 12:29:53,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53" (1/1) ... [2024-10-14 12:29:53,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53" (1/1) ... [2024-10-14 12:29:53,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 12:29:53,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 12:29:53,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 12:29:53,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 12:29:53,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53" (1/1) ... [2024-10-14 12:29:53,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:29:53,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:29:53,419 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) [2024-10-14 12:29:53,422 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 [2024-10-14 12:29:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 12:29:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 12:29:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 12:29:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 12:29:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 12:29:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 12:29:53,557 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 12:29:53,560 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 12:29:53,932 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-14 12:29:53,932 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 12:29:54,000 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 12:29:54,001 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 12:29:54,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:29:54 BoogieIcfgContainer [2024-10-14 12:29:54,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 12:29:54,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 12:29:54,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 12:29:54,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 12:29:54,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:29:52" (1/3) ... [2024-10-14 12:29:54,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12734f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:29:54, skipping insertion in model container [2024-10-14 12:29:54,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:53" (2/3) ... [2024-10-14 12:29:54,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12734f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:29:54, skipping insertion in model container [2024-10-14 12:29:54,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:29:54" (3/3) ... [2024-10-14 12:29:54,012 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-96.i [2024-10-14 12:29:54,035 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 12:29:54,035 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 12:29:54,130 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 12:29:54,139 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;@5892f27d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 12:29:54,140 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 12:29:54,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 12:29:54,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 12:29:54,154 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:29:54,154 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:29:54,155 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:29:54,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:29:54,162 INFO L85 PathProgramCache]: Analyzing trace with hash -448125412, now seen corresponding path program 1 times [2024-10-14 12:29:54,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 12:29:54,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267922054] [2024-10-14 12:29:54,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:29:54,180 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 12:29:54,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 12:29:54,183 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) [2024-10-14 12:29:54,185 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 [2024-10-14 12:29:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:54,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 12:29:54,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:29:54,409 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-10-14 12:29:54,410 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 12:29:54,410 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 12:29:54,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267922054] [2024-10-14 12:29:54,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267922054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:29:54,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:29:54,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 12:29:54,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947403953] [2024-10-14 12:29:54,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:29:54,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 12:29:54,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 12:29:54,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 12:29:54,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:29:54,456 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 12:29:54,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:29:54,607 INFO L93 Difference]: Finished difference Result 51 states and 82 transitions. [2024-10-14 12:29:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 12:29:54,613 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 51 [2024-10-14 12:29:54,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:29:54,618 INFO L225 Difference]: With dead ends: 51 [2024-10-14 12:29:54,625 INFO L226 Difference]: Without dead ends: 25 [2024-10-14 12:29:54,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:29:54,633 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:29:54,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:29:54,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-14 12:29:54,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-14 12:29:54,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 12:29:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2024-10-14 12:29:54,679 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 51 [2024-10-14 12:29:54,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:29:54,680 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2024-10-14 12:29:54,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 12:29:54,682 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-10-14 12:29:54,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 12:29:54,686 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:29:54,687 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:29:54,695 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 [2024-10-14 12:29:54,888 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 [2024-10-14 12:29:54,889 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:29:54,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:29:54,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1551569368, now seen corresponding path program 1 times [2024-10-14 12:29:54,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 12:29:54,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399773976] [2024-10-14 12:29:54,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:29:54,891 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 12:29:54,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 12:29:54,893 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) [2024-10-14 12:29:54,895 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 [2024-10-14 12:29:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:55,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 12:29:55,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:31:06,545 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)