./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-21.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-21.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 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 12:26:24,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 12:26:24,415 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 12:26:24,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 12:26:24,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 12:26:24,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 12:26:24,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 12:26:24,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 12:26:24,442 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 12:26:24,443 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 12:26:24,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 12:26:24,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 12:26:24,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 12:26:24,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 12:26:24,445 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 12:26:24,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 12:26:24,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 12:26:24,446 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 12:26:24,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 12:26:24,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 12:26:24,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 12:26:24,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 12:26:24,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 12:26:24,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 12:26:24,453 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 12:26:24,453 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 12:26:24,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 12:26:24,454 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 12:26:24,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 12:26:24,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 12:26:24,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 12:26:24,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 12:26:24,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:26:24,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 12:26:24,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 12:26:24,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 12:26:24,461 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 12:26:24,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 12:26:24,461 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 12:26:24,461 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 12:26:24,462 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 12:26:24,462 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 12:26:24,463 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-10-14 12:26:24,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 12:26:24,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 12:26:24,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 12:26:24,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 12:26:24,776 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 12:26:24,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-10-14 12:26:26,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 12:26:26,430 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 12:26:26,430 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-10-14 12:26:26,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a86afe95f/4c46f99ca98b43e9bd29e08ce2c2dfd4/FLAG1e92c22d0 [2024-10-14 12:26:26,460 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a86afe95f/4c46f99ca98b43e9bd29e08ce2c2dfd4 [2024-10-14 12:26:26,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 12:26:26,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 12:26:26,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 12:26:26,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 12:26:26,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 12:26:26,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15bf3f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26, skipping insertion in model container [2024-10-14 12:26:26,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 12:26:26,669 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-21.i[915,928] [2024-10-14 12:26:26,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:26:26,731 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 12:26:26,744 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-21.i[915,928] [2024-10-14 12:26:26,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:26:26,772 INFO L204 MainTranslator]: Completed translation [2024-10-14 12:26:26,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26 WrapperNode [2024-10-14 12:26:26,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 12:26:26,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 12:26:26,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 12:26:26,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 12:26:26,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,828 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2024-10-14 12:26:26,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 12:26:26,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 12:26:26,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 12:26:26,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 12:26:26,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,854 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,884 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 12:26:26,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 12:26:26,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 12:26:26,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 12:26:26,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 12:26:26,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26" (1/1) ... [2024-10-14 12:26:26,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:26:26,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:26:26,955 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 12:26:26,962 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 12:26:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 12:26:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 12:26:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 12:26:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 12:26:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 12:26:27,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 12:26:27,076 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 12:26:27,078 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 12:26:27,325 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-14 12:26:27,325 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 12:26:27,383 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 12:26:27,384 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 12:26:27,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:26:27 BoogieIcfgContainer [2024-10-14 12:26:27,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 12:26:27,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 12:26:27,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 12:26:27,393 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 12:26:27,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:26:26" (1/3) ... [2024-10-14 12:26:27,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d718407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:26:27, skipping insertion in model container [2024-10-14 12:26:27,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:26" (2/3) ... [2024-10-14 12:26:27,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d718407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:26:27, skipping insertion in model container [2024-10-14 12:26:27,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:26:27" (3/3) ... [2024-10-14 12:26:27,398 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-21.i [2024-10-14 12:26:27,425 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 12:26:27,426 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 12:26:27,549 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 12:26:27,558 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;@340705c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 12:26:27,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 12:26:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 12:26:27,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 12:26:27,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:26:27,574 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 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 12:26:27,575 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:26:27,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:26:27,580 INFO L85 PathProgramCache]: Analyzing trace with hash -50782029, now seen corresponding path program 1 times [2024-10-14 12:26:27,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:26:27,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621073463] [2024-10-14 12:26:27,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:26:27,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:26:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:26:27,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:26:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:26:27,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:26:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:26:27,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 12:26:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:26:27,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:26:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:26:27,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 12:26:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:26:27,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:26:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:26:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 12:26:27,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:26:27,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621073463] [2024-10-14 12:26:27,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621073463] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:26:27,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:26:27,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 12:26:27,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291517240] [2024-10-14 12:26:27,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:26:27,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 12:26:27,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:26:27,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 12:26:27,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:26:27,957 INFO L87 Difference]: Start difference. First operand has 31 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 12:26:27,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:26:27,996 INFO L93 Difference]: Finished difference Result 59 states and 92 transitions. [2024-10-14 12:26:28,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 12:26:28,003 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-14 12:26:28,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:26:28,013 INFO L225 Difference]: With dead ends: 59 [2024-10-14 12:26:28,013 INFO L226 Difference]: Without dead ends: 29 [2024-10-14 12:26:28,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 12:26:28,024 INFO L432 NwaCegarLoop]: 36 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, 36 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 12:26:28,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:26:28,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-10-14 12:26:28,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-10-14 12:26:28,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 12:26:28,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2024-10-14 12:26:28,073 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 43 [2024-10-14 12:26:28,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:26:28,074 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2024-10-14 12:26:28,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 12:26:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-10-14 12:26:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 12:26:28,078 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:26:28,078 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 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 12:26:28,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 12:26:28,079 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:26:28,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:26:28,080 INFO L85 PathProgramCache]: Analyzing trace with hash -2000379405, now seen corresponding path program 1 times [2024-10-14 12:26:28,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:26:28,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309441369] [2024-10-14 12:26:28,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:26:28,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:26:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 12:26:28,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [388723717] [2024-10-14 12:26:28,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:26:28,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:26:28,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:26:28,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 12:26:28,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 12:26:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 12:26:28,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 12:26:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 12:26:28,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 12:26:28,361 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 12:26:28,363 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 12:26:28,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 12:26:28,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:26:28,572 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 12:26:28,614 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 12:26:28,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:26:28 BoogieIcfgContainer [2024-10-14 12:26:28,623 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 12:26:28,624 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 12:26:28,624 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 12:26:28,625 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 12:26:28,625 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:26:27" (3/4) ... [2024-10-14 12:26:28,629 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 12:26:28,630 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 12:26:28,631 INFO L158 Benchmark]: Toolchain (without parser) took 2165.52ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 93.6MB in the beginning and 122.0MB in the end (delta: -28.4MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-10-14 12:26:28,635 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 12:26:28,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.33ms. Allocated memory is still 146.8MB. Free memory was 93.6MB in the beginning and 81.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 12:26:28,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.68ms. Allocated memory is still 146.8MB. Free memory was 81.4MB in the beginning and 78.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 12:26:28,636 INFO L158 Benchmark]: Boogie Preprocessor took 84.20ms. Allocated memory is still 146.8MB. Free memory was 78.9MB in the beginning and 76.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 12:26:28,636 INFO L158 Benchmark]: RCFGBuilder took 471.00ms. Allocated memory is still 146.8MB. Free memory was 76.8MB in the beginning and 59.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 12:26:28,637 INFO L158 Benchmark]: TraceAbstraction took 1234.87ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 59.2MB in the beginning and 123.0MB in the end (delta: -63.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 12:26:28,637 INFO L158 Benchmark]: Witness Printer took 5.99ms. Allocated memory is still 190.8MB. Free memory was 123.0MB in the beginning and 122.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 12:26:28,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.33ms. Allocated memory is still 146.8MB. Free memory was 93.6MB in the beginning and 81.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.68ms. Allocated memory is still 146.8MB. Free memory was 81.4MB in the beginning and 78.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.20ms. Allocated memory is still 146.8MB. Free memory was 78.9MB in the beginning and 76.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.00ms. Allocated memory is still 146.8MB. Free memory was 76.8MB in the beginning and 59.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1234.87ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 59.2MB in the beginning and 123.0MB in the end (delta: -63.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.99ms. Allocated memory is still 190.8MB. Free memory was 123.0MB in the beginning and 122.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 56, overapproximation of bitwiseAnd at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -16; [L23] signed long int var_1_6 = 10; [L24] unsigned char var_1_8 = 0; [L25] unsigned char var_1_9 = 4; [L26] float var_1_10 = 15.5; [L27] float var_1_11 = 99.125; [L28] signed short int var_1_12 = 2; [L29] signed long int last_1_var_1_1 = -16; [L60] isInitial = 1 [L61] FCALL initially() [L62] COND TRUE 1 [L63] CALL updateLastVariables() [L53] last_1_var_1_1 = var_1_1 [L63] RET updateLastVariables() [L64] CALL updateVariables() [L42] var_1_6 = __VERIFIER_nondet_long() [L43] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L43] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L44] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L44] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L45] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L45] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=4] [L46] var_1_9 = __VERIFIER_nondet_uchar() [L47] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0] [L47] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0] [L48] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L48] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L49] var_1_11 = __VERIFIER_nondet_float() [L50] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L50] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L64] RET updateVariables() [L65] CALL step() [L33] var_1_8 = var_1_9 [L34] var_1_10 = var_1_11 [L35] var_1_12 = var_1_9 VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=0, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L36] EXPR var_1_8 & (var_1_12 * var_1_8) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=0, var_1_1=-16, var_1_6=-1, var_1_8=0, var_1_9=0] [L36] signed long int stepLocal_0 = var_1_8 & (var_1_12 * var_1_8); [L37] COND TRUE stepLocal_0 < (last_1_var_1_1 / var_1_6) [L38] var_1_1 = (var_1_8 + 256) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=0, var_1_1=256, var_1_6=-1, var_1_8=0, var_1_9=0] [L65] RET step() [L66] CALL, EXPR property() [L56] EXPR var_1_8 & (var_1_12 * var_1_8) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=0, var_1_1=256, var_1_6=-1, var_1_8=0, var_1_9=0] [L56-L57] return (((((var_1_8 & (var_1_12 * var_1_8)) < (last_1_var_1_1 / var_1_6)) ? (var_1_1 == ((signed long int) (var_1_8 + 256))) : 1) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((float) var_1_11))) && (var_1_12 == ((signed short int) var_1_9)) ; [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=0, var_1_1=256, var_1_6=-1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=0, var_1_1=256, var_1_6=-1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 6, 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, 36 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, 36 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 60/60 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 12:26:28,686 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-21.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 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 12:26:30,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 12:26:31,032 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 12:26:31,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 12:26:31,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 12:26:31,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 12:26:31,080 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 12:26:31,080 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 12:26:31,081 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 12:26:31,081 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 12:26:31,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 12:26:31,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 12:26:31,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 12:26:31,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 12:26:31,085 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 12:26:31,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 12:26:31,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 12:26:31,086 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 12:26:31,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 12:26:31,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 12:26:31,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 12:26:31,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 12:26:31,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 12:26:31,092 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 12:26:31,092 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 12:26:31,092 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 12:26:31,093 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 12:26:31,093 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 12:26:31,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 12:26:31,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 12:26:31,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 12:26:31,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 12:26:31,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 12:26:31,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 12:26:31,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:26:31,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 12:26:31,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 12:26:31,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 12:26:31,098 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 12:26:31,098 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 12:26:31,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 12:26:31,099 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 12:26:31,099 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 12:26:31,099 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 12:26:31,100 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 12:26:31,100 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-10-14 12:26:31,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 12:26:31,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 12:26:31,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 12:26:31,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 12:26:31,503 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 12:26:31,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-10-14 12:26:32,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 12:26:33,161 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 12:26:33,161 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-10-14 12:26:33,171 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef6098b6/1977426a28524352a344bf70353e59ff/FLAG84785960f [2024-10-14 12:26:33,545 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef6098b6/1977426a28524352a344bf70353e59ff [2024-10-14 12:26:33,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 12:26:33,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 12:26:33,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 12:26:33,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 12:26:33,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 12:26:33,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332fff73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33, skipping insertion in model container [2024-10-14 12:26:33,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 12:26:33,766 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-21.i[915,928] [2024-10-14 12:26:33,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:26:33,826 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 12:26:33,839 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-21.i[915,928] [2024-10-14 12:26:33,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:26:33,881 INFO L204 MainTranslator]: Completed translation [2024-10-14 12:26:33,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33 WrapperNode [2024-10-14 12:26:33,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 12:26:33,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 12:26:33,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 12:26:33,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 12:26:33,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,924 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 64 [2024-10-14 12:26:33,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 12:26:33,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 12:26:33,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 12:26:33,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 12:26:33,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,939 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,956 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 12:26:33,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 12:26:33,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 12:26:33,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 12:26:33,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 12:26:33,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33" (1/1) ... [2024-10-14 12:26:33,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:26:33,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:26:34,012 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 12:26:34,019 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 12:26:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 12:26:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 12:26:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 12:26:34,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 12:26:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 12:26:34,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 12:26:34,147 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 12:26:34,150 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 12:26:34,461 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-14 12:26:34,461 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 12:26:34,534 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 12:26:34,535 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 12:26:34,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:26:34 BoogieIcfgContainer [2024-10-14 12:26:34,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 12:26:34,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 12:26:34,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 12:26:34,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 12:26:34,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:26:33" (1/3) ... [2024-10-14 12:26:34,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2282c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:26:34, skipping insertion in model container [2024-10-14 12:26:34,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:26:33" (2/3) ... [2024-10-14 12:26:34,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2282c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:26:34, skipping insertion in model container [2024-10-14 12:26:34,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:26:34" (3/3) ... [2024-10-14 12:26:34,544 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-21.i [2024-10-14 12:26:34,561 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 12:26:34,561 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 12:26:34,632 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 12:26:34,642 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;@74639845, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 12:26:34,642 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 12:26:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 12:26:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-14 12:26:34,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:26:34,665 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:26:34,667 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:26:34,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:26:34,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1299259841, now seen corresponding path program 1 times [2024-10-14 12:26:34,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 12:26:34,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785789429] [2024-10-14 12:26:34,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:26:34,688 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 12:26:34,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 12:26:34,692 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 12:26:34,693 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 12:26:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:26:34,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 12:26:34,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:26:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 12:26:34,892 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 12:26:34,893 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 12:26:34,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785789429] [2024-10-14 12:26:34,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785789429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:26:34,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:26:34,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 12:26:34,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756774974] [2024-10-14 12:26:34,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:26:34,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 12:26:34,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 12:26:34,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 12:26:34,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:26:34,931 INFO L87 Difference]: Start difference. First operand has 23 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 12:26:34,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:26:34,995 INFO L93 Difference]: Finished difference Result 43 states and 68 transitions. [2024-10-14 12:26:35,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 12:26:35,003 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2024-10-14 12:26:35,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:26:35,008 INFO L225 Difference]: With dead ends: 43 [2024-10-14 12:26:35,009 INFO L226 Difference]: Without dead ends: 21 [2024-10-14 12:26:35,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 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 12:26:35,015 INFO L432 NwaCegarLoop]: 24 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, 24 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 12:26:35,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:26:35,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-10-14 12:26:35,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-10-14 12:26:35,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 12:26:35,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2024-10-14 12:26:35,063 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 27 transitions. Word has length 39 [2024-10-14 12:26:35,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:26:35,064 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 27 transitions. [2024-10-14 12:26:35,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 12:26:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-10-14 12:26:35,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-14 12:26:35,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:26:35,068 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:26:35,077 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 12:26:35,272 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 12:26:35,273 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:26:35,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:26:35,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1194524801, now seen corresponding path program 1 times [2024-10-14 12:26:35,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 12:26:35,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304596316] [2024-10-14 12:26:35,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:26:35,276 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 12:26:35,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 12:26:35,280 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 12:26:35,284 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 12:26:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:26:35,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 12:26:35,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:26:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 12:26:36,070 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 12:26:36,070 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 12:26:36,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304596316] [2024-10-14 12:26:36,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304596316] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:26:36,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:26:36,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 12:26:36,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538294130] [2024-10-14 12:26:36,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:26:36,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 12:26:36,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 12:26:36,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 12:26:36,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-14 12:26:36,074 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 12:26:37,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:26:37,277 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2024-10-14 12:26:37,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 12:26:37,278 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 39 [2024-10-14 12:26:37,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:26:37,280 INFO L225 Difference]: With dead ends: 54 [2024-10-14 12:26:37,280 INFO L226 Difference]: Without dead ends: 52 [2024-10-14 12:26:37,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2024-10-14 12:26:37,282 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 40 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 12:26:37,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 59 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 12:26:37,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-14 12:26:37,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 35. [2024-10-14 12:26:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 23 states have internal predecessors, (24), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 12:26:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2024-10-14 12:26:37,303 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 39 [2024-10-14 12:26:37,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:26:37,304 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2024-10-14 12:26:37,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 12:26:37,305 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2024-10-14 12:26:37,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-14 12:26:37,306 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:26:37,307 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:26:37,316 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-10-14 12:26:37,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 12:26:37,508 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:26:37,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:26:37,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1194465219, now seen corresponding path program 1 times [2024-10-14 12:26:37,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 12:26:37,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738841960] [2024-10-14 12:26:37,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:26:37,510 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 12:26:37,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 12:26:37,511 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 12:26:37,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-14 12:26:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:26:37,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 12:26:37,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:26:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 12:26:39,793 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 12:26:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 12:26:43,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 12:26:43,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738841960] [2024-10-14 12:26:43,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738841960] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 12:26:43,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 12:26:43,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 19 [2024-10-14 12:26:43,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451249224] [2024-10-14 12:26:43,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:26:43,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 12:26:43,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 12:26:43,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 12:26:43,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-10-14 12:26:43,485 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 12:26:46,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:26:46,203 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2024-10-14 12:26:46,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 12:26:46,206 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 39 [2024-10-14 12:26:46,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:26:46,206 INFO L225 Difference]: With dead ends: 56 [2024-10-14 12:26:46,206 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 12:26:46,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2024-10-14 12:26:46,208 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 32 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-14 12:26:46,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 56 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-14 12:26:46,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 12:26:46,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 12:26:46,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 12:26:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 12:26:46,210 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2024-10-14 12:26:46,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:26:46,210 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 12:26:46,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 12:26:46,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 12:26:46,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 12:26:46,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 12:26:46,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-10-14 12:26:46,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 12:26:46,418 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 12:26:46,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 12:26:50,537 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 12:26:50,548 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 12:26:50,549 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 12:26:50,549 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 12:26:50,549 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 12:26:50,549 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-14 12:26:50,550 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 12:26:50,552 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-14 12:26:50,553 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 12:26:50,553 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-14 12:26:50,553 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 12:26:50,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:26:50 BoogieIcfgContainer [2024-10-14 12:26:50,555 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 12:26:50,556 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 12:26:50,556 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 12:26:50,560 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 12:26:50,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:26:34" (3/4) ... [2024-10-14 12:26:50,563 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 12:26:50,569 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-14 12:26:50,575 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-14 12:26:50,577 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-14 12:26:50,577 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 12:26:50,578 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 12:26:50,722 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 12:26:50,725 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 12:26:50,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 12:26:50,726 INFO L158 Benchmark]: Toolchain (without parser) took 17177.11ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 37.2MB in the beginning and 58.5MB in the end (delta: -21.3MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-10-14 12:26:50,727 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 12:26:50,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.96ms. Allocated memory is still 69.2MB. Free memory was 37.0MB in the beginning and 42.2MB in the end (delta: -5.3MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-10-14 12:26:50,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.81ms. Allocated memory is still 69.2MB. Free memory was 42.2MB in the beginning and 40.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 12:26:50,728 INFO L158 Benchmark]: Boogie Preprocessor took 49.92ms. Allocated memory is still 69.2MB. Free memory was 40.5MB in the beginning and 38.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 12:26:50,728 INFO L158 Benchmark]: RCFGBuilder took 558.70ms. Allocated memory is still 69.2MB. Free memory was 38.4MB in the beginning and 46.1MB in the end (delta: -7.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 12:26:50,728 INFO L158 Benchmark]: TraceAbstraction took 16018.24ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 45.4MB in the beginning and 51.3MB in the end (delta: -5.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-10-14 12:26:50,728 INFO L158 Benchmark]: Witness Printer took 169.67ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 58.5MB in the end (delta: -7.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 12:26:50,730 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.96ms. Allocated memory is still 69.2MB. Free memory was 37.0MB in the beginning and 42.2MB in the end (delta: -5.3MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.81ms. Allocated memory is still 69.2MB. Free memory was 42.2MB in the beginning and 40.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.92ms. Allocated memory is still 69.2MB. Free memory was 40.5MB in the beginning and 38.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.70ms. Allocated memory is still 69.2MB. Free memory was 38.4MB in the beginning and 46.1MB in the end (delta: -7.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16018.24ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 45.4MB in the beginning and 51.3MB in the end (delta: -5.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 169.67ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 58.5MB in the end (delta: -7.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.8s, OverallIterations: 3, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 139 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 249 IncrementalHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 67 mSDtfsCounter, 249 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=2, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 152 ConstructedInterpolants, 4 QuantifiedInterpolants, 1170 SizeOfPredicates, 20 NumberOfNonLiveVariables, 227 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 234/240 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (0 != cond) RESULT: Ultimate proved your program to be correct! [2024-10-14 12:26:50,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE