./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_amount25_file-45.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_amount25_file-45.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 455884604d970c74ae4cae493229d55b9a2777270ff79ffb99fa854ba6e89348 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 12:43:26,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 12:43:26,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 12:43:26,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 12:43:26,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 12:43:26,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 12:43:26,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 12:43:26,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 12:43:26,614 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 12:43:26,614 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 12:43:26,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 12:43:26,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 12:43:26,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 12:43:26,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 12:43:26,616 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 12:43:26,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 12:43:26,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 12:43:26,617 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 12:43:26,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 12:43:26,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 12:43:26,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 12:43:26,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 12:43:26,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 12:43:26,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 12:43:26,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 12:43:26,619 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 12:43:26,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 12:43:26,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 12:43:26,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 12:43:26,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 12:43:26,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 12:43:26,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 12:43:26,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:43:26,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 12:43:26,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 12:43:26,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 12:43:26,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 12:43:26,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 12:43:26,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 12:43:26,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 12:43:26,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 12:43:26,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 12:43:26,623 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 455884604d970c74ae4cae493229d55b9a2777270ff79ffb99fa854ba6e89348 [2024-10-14 12:43:26,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 12:43:26,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 12:43:26,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 12:43:26,850 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 12:43:26,850 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 12:43:26,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-45.i [2024-10-14 12:43:28,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 12:43:28,518 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 12:43:28,519 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-45.i [2024-10-14 12:43:28,525 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c43d2d19/c829a90f9b23430c97ea88f21f6590e4/FLAGb148d1144 [2024-10-14 12:43:28,536 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c43d2d19/c829a90f9b23430c97ea88f21f6590e4 [2024-10-14 12:43:28,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 12:43:28,540 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 12:43:28,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 12:43:28,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 12:43:28,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 12:43:28,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@135ebb35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28, skipping insertion in model container [2024-10-14 12:43:28,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 12:43:28,709 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_amount25_file-45.i[915,928] [2024-10-14 12:43:28,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:43:28,765 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 12:43:28,776 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_amount25_file-45.i[915,928] [2024-10-14 12:43:28,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:43:28,821 INFO L204 MainTranslator]: Completed translation [2024-10-14 12:43:28,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28 WrapperNode [2024-10-14 12:43:28,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 12:43:28,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 12:43:28,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 12:43:28,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 12:43:28,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,856 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-10-14 12:43:28,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 12:43:28,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 12:43:28,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 12:43:28,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 12:43:28,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,877 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 12:43:28,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 12:43:28,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 12:43:28,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 12:43:28,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 12:43:28,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28" (1/1) ... [2024-10-14 12:43:28,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:43:28,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:43:28,923 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 12:43:28,926 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 12:43:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 12:43:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 12:43:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 12:43:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 12:43:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 12:43:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 12:43:29,040 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 12:43:29,042 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 12:43:29,229 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-14 12:43:29,229 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 12:43:29,262 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 12:43:29,262 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 12:43:29,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:43:29 BoogieIcfgContainer [2024-10-14 12:43:29,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 12:43:29,264 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 12:43:29,264 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 12:43:29,267 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 12:43:29,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:43:28" (1/3) ... [2024-10-14 12:43:29,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d27dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:43:29, skipping insertion in model container [2024-10-14 12:43:29,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:28" (2/3) ... [2024-10-14 12:43:29,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d27dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:43:29, skipping insertion in model container [2024-10-14 12:43:29,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:43:29" (3/3) ... [2024-10-14 12:43:29,269 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-45.i [2024-10-14 12:43:29,281 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 12:43:29,281 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 12:43:29,321 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 12:43:29,326 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;@8524379, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 12:43:29,326 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 12:43:29,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 12:43:29,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 12:43:29,337 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:43:29,338 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:43:29,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:43:29,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:43:29,342 INFO L85 PathProgramCache]: Analyzing trace with hash -10547607, now seen corresponding path program 1 times [2024-10-14 12:43:29,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:43:29,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046693318] [2024-10-14 12:43:29,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:43:29,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:43:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:34,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:43:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:34,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 12:43:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:34,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 12:43:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:34,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 12:43:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 12:43:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 12:43:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 12:43:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 12:43:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 12:43:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 12:43:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 12:43:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 12:43:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 12:43:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 12:43:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 12:43:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 12:43:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 12:43:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 12:43:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 12:43:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 60 proven. 120 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-10-14 12:43:35,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:43:35,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046693318] [2024-10-14 12:43:35,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046693318] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 12:43:35,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075528455] [2024-10-14 12:43:35,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:43:35,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:43:35,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:43:35,149 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 12:43:35,150 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 12:43:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:43:35,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-10-14 12:43:35,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:43:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 459 proven. 153 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-14 12:43:37,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 12:43:39,327 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 135 proven. 144 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-10-14 12:43:39,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075528455] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 12:43:39,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 12:43:39,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 25, 22] total 50 [2024-10-14 12:43:39,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893067501] [2024-10-14 12:43:39,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 12:43:39,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-14 12:43:39,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:43:39,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-14 12:43:39,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1894, Unknown=0, NotChecked=0, Total=2450 [2024-10-14 12:43:39,354 INFO L87 Difference]: Start difference. First operand has 48 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 50 states, 46 states have (on average 1.934782608695652) internal successors, (89), 42 states have internal predecessors, (89), 16 states have call successors, (45), 8 states have call predecessors, (45), 16 states have return successors, (47), 16 states have call predecessors, (47), 16 states have call successors, (47) [2024-10-14 12:43:48,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 12:43:54,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 12:43:59,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 12:44:05,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 12:44:05,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:44:05,858 INFO L93 Difference]: Finished difference Result 246 states and 395 transitions. [2024-10-14 12:44:05,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-10-14 12:44:05,863 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 46 states have (on average 1.934782608695652) internal successors, (89), 42 states have internal predecessors, (89), 16 states have call successors, (45), 8 states have call predecessors, (45), 16 states have return successors, (47), 16 states have call predecessors, (47), 16 states have call successors, (47) Word has length 115 [2024-10-14 12:44:05,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:44:05,870 INFO L225 Difference]: With dead ends: 246 [2024-10-14 12:44:05,871 INFO L226 Difference]: Without dead ends: 199 [2024-10-14 12:44:05,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 243 SyntacticMatches, 2 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2486 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=2616, Invalid=7086, Unknown=0, NotChecked=0, Total=9702 [2024-10-14 12:44:05,877 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 525 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 377 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2024-10-14 12:44:05,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 417 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 1023 Invalid, 4 Unknown, 0 Unchecked, 21.3s Time] [2024-10-14 12:44:05,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-10-14 12:44:05,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 165. [2024-10-14 12:44:05,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 104 states have (on average 1.1153846153846154) internal successors, (116), 105 states have internal predecessors, (116), 43 states have call successors, (43), 17 states have call predecessors, (43), 17 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-14 12:44:05,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 202 transitions. [2024-10-14 12:44:05,953 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 202 transitions. Word has length 115 [2024-10-14 12:44:05,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:44:05,958 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 202 transitions. [2024-10-14 12:44:05,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 46 states have (on average 1.934782608695652) internal successors, (89), 42 states have internal predecessors, (89), 16 states have call successors, (45), 8 states have call predecessors, (45), 16 states have return successors, (47), 16 states have call predecessors, (47), 16 states have call successors, (47) [2024-10-14 12:44:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 202 transitions. [2024-10-14 12:44:05,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 12:44:05,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:44:05,961 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:44:05,976 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 12:44:06,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-14 12:44:06,162 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:44:06,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:44:06,162 INFO L85 PathProgramCache]: Analyzing trace with hash -10488025, now seen corresponding path program 1 times [2024-10-14 12:44:06,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:44:06,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634001345] [2024-10-14 12:44:06,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:44:06,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:44:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 12:44:06,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 12:44:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 12:44:06,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 12:44:06,335 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 12:44:06,336 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 12:44:06,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 12:44:06,340 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 12:44:06,411 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 12:44:06,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:44:06 BoogieIcfgContainer [2024-10-14 12:44:06,414 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 12:44:06,415 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 12:44:06,415 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 12:44:06,416 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 12:44:06,416 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:43:29" (3/4) ... [2024-10-14 12:44:06,418 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 12:44:06,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 12:44:06,420 INFO L158 Benchmark]: Toolchain (without parser) took 37879.97ms. Allocated memory was 205.5MB in the beginning and 402.7MB in the end (delta: 197.1MB). Free memory was 131.3MB in the beginning and 168.9MB in the end (delta: -37.6MB). Peak memory consumption was 161.3MB. Max. memory is 16.1GB. [2024-10-14 12:44:06,422 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 205.5MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 12:44:06,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.43ms. Allocated memory is still 205.5MB. Free memory was 131.1MB in the beginning and 117.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 12:44:06,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.80ms. Allocated memory is still 205.5MB. Free memory was 117.7MB in the beginning and 115.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 12:44:06,423 INFO L158 Benchmark]: Boogie Preprocessor took 29.54ms. Allocated memory is still 205.5MB. Free memory was 115.5MB in the beginning and 112.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 12:44:06,424 INFO L158 Benchmark]: RCFGBuilder took 376.06ms. Allocated memory is still 205.5MB. Free memory was 112.9MB in the beginning and 164.3MB in the end (delta: -51.5MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-10-14 12:44:06,425 INFO L158 Benchmark]: TraceAbstraction took 37149.39ms. Allocated memory was 205.5MB in the beginning and 402.7MB in the end (delta: 197.1MB). Free memory was 163.3MB in the beginning and 168.9MB in the end (delta: -5.6MB). Peak memory consumption was 190.5MB. Max. memory is 16.1GB. [2024-10-14 12:44:06,425 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 402.7MB. Free memory is still 168.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 12:44:06,431 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 205.5MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.43ms. Allocated memory is still 205.5MB. Free memory was 131.1MB in the beginning and 117.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.80ms. Allocated memory is still 205.5MB. Free memory was 117.7MB in the beginning and 115.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.54ms. Allocated memory is still 205.5MB. Free memory was 115.5MB in the beginning and 112.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.06ms. Allocated memory is still 205.5MB. Free memory was 112.9MB in the beginning and 164.3MB in the end (delta: -51.5MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * TraceAbstraction took 37149.39ms. Allocated memory was 205.5MB in the beginning and 402.7MB in the end (delta: 197.1MB). Free memory was 163.3MB in the beginning and 168.9MB in the end (delta: -5.6MB). Peak memory consumption was 190.5MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 402.7MB. Free memory is still 168.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 999999.2; [L23] double var_1_6 = 0.0; [L24] double var_1_7 = 5.9; [L25] double var_1_8 = 255.6; [L26] unsigned long int var_1_9 = 4; [L27] unsigned char var_1_10 = 0; [L28] unsigned long int var_1_11 = 1142722175; [L29] unsigned long int var_1_12 = 1231257437; [L30] signed char var_1_13 = -10; [L31] signed char var_1_14 = 100; [L32] signed char var_1_15 = 4; [L33] signed char var_1_16 = 64; [L34] signed char var_1_17 = 1; [L35] signed char var_1_18 = -8; [L36] unsigned char var_1_19 = 4; [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] FCALL updateLastVariables() [L101] CALL updateVariables() [L59] var_1_6 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_6 >= 4611686.018427382800e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_7=59/10, var_1_8=1278/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_7=59/10, var_1_8=1278/5, var_1_9=4] [L60] RET assume_abort_if_not((var_1_6 >= 4611686.018427382800e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_7=59/10, var_1_8=1278/5, var_1_9=4] [L61] var_1_7 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_8=1278/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_8=1278/5, var_1_9=4] [L62] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_8=1278/5, var_1_9=4] [L63] var_1_8 = __VERIFIER_nondet_double() [L64] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L64] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L65] var_1_10 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L66] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L67] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L67] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L68] var_1_11 = __VERIFIER_nondet_ulong() [L69] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L69] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L70] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L70] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L71] var_1_12 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_12 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L72] RET assume_abort_if_not(var_1_12 >= 1073741824) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L73] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L73] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L74] var_1_14 = __VERIFIER_nondet_char() [L75] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L75] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L76] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L76] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L77] var_1_15 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L78] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L79] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L79] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L80] var_1_16 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L81] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L82] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L82] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L83] var_1_17 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L84] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L85] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L85] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L86] var_1_18 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L87] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L88] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L88] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L101] RET updateVariables() [L102] CALL step() [L40] COND TRUE \read(var_1_10) [L41] var_1_9 = ((var_1_11 + var_1_12) - 5u) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=-64] [L43] var_1_19 = var_1_16 [L44] unsigned long int stepLocal_0 = ((((var_1_19 + var_1_9)) < (var_1_9)) ? ((var_1_19 + var_1_9)) : (var_1_9)); VAL [isInitial=1, stepLocal_0=-64, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=0, var_1_1=4999996/5, var_1_9=-64] [L45] COND TRUE \read(var_1_10) [L46] var_1_13 = (var_1_14 - ((((((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) < (50)) ? (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) : (50)))) VAL [isInitial=1, stepLocal_0=-64, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=64, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=0, var_1_1=4999996/5, var_1_9=-64] [L52] COND FALSE !((var_1_9 / 32) < (((((var_1_13 + var_1_9)) < (var_1_19)) ? ((var_1_13 + var_1_9)) : (var_1_19)))) [L55] var_1_1 = var_1_6 VAL [isInitial=1, stepLocal_0=-64, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=64, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=0, var_1_1=2147483595, var_1_6=2147483595, var_1_9=-64] [L102] RET step() [L103] CALL, EXPR property() [L93-L94] return (((((var_1_9 / 32) < (((((var_1_13 + var_1_9)) < (var_1_19)) ? ((var_1_13 + var_1_9)) : (var_1_19)))) ? (var_1_1 == ((double) ((var_1_6 - var_1_7) - var_1_8))) : (var_1_1 == ((double) var_1_6))) && (var_1_10 ? (var_1_9 == ((unsigned long int) ((var_1_11 + var_1_12) - 5u))) : 1)) && (var_1_10 ? (var_1_13 == ((signed char) (var_1_14 - ((((((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) < (50)) ? (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) : (50)))))) : ((var_1_12 < (((((var_1_19 + var_1_9)) < (var_1_9)) ? ((var_1_19 + var_1_9)) : (var_1_9)))) ? (var_1_13 == ((signed char) (var_1_17 + var_1_18))) : 1))) && (var_1_19 == ((unsigned char) var_1_16)) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=64, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=0, var_1_1=2147483595, var_1_6=2147483595, var_1_9=-64] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=64, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=0, var_1_1=2147483595, var_1_6=2147483595, var_1_9=-64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.0s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 26.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 527 SdHoareTripleChecker+Valid, 21.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 525 mSDsluCounter, 417 SdHoareTripleChecker+Invalid, 21.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 345 mSDsCounter, 377 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1023 IncrementalHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 377 mSolverCounterUnsat, 72 mSDtfsCounter, 1023 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 342 GetRequests, 243 SyntacticMatches, 2 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2486 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=1, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 34 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 342 ConstructedInterpolants, 3 QuantifiedInterpolants, 4880 SizeOfPredicates, 11 NumberOfNonLiveVariables, 259 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1635/2052 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 12:44:06,475 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_amount25_file-45.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 455884604d970c74ae4cae493229d55b9a2777270ff79ffb99fa854ba6e89348 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 12:44:08,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 12:44:08,492 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 12:44:08,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 12:44:08,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 12:44:08,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 12:44:08,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 12:44:08,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 12:44:08,523 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 12:44:08,526 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 12:44:08,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 12:44:08,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 12:44:08,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 12:44:08,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 12:44:08,527 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 12:44:08,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 12:44:08,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 12:44:08,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 12:44:08,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 12:44:08,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 12:44:08,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 12:44:08,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 12:44:08,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 12:44:08,531 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 12:44:08,531 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 12:44:08,531 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 12:44:08,531 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 12:44:08,532 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 12:44:08,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 12:44:08,532 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 12:44:08,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 12:44:08,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 12:44:08,532 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 12:44:08,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 12:44:08,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:44:08,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 12:44:08,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 12:44:08,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 12:44:08,533 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 12:44:08,533 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 12:44:08,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 12:44:08,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 12:44:08,535 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 12:44:08,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 12:44:08,535 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 12:44:08,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 455884604d970c74ae4cae493229d55b9a2777270ff79ffb99fa854ba6e89348 [2024-10-14 12:44:08,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 12:44:08,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 12:44:08,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 12:44:08,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 12:44:08,827 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 12:44:08,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-45.i [2024-10-14 12:44:10,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 12:44:10,349 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 12:44:10,350 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-45.i [2024-10-14 12:44:10,361 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e5fe6abc/0e9a2bbae6a74933a0d30927d5282d74/FLAG52e80a8fc [2024-10-14 12:44:10,374 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e5fe6abc/0e9a2bbae6a74933a0d30927d5282d74 [2024-10-14 12:44:10,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 12:44:10,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 12:44:10,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 12:44:10,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 12:44:10,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 12:44:10,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59743b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10, skipping insertion in model container [2024-10-14 12:44:10,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 12:44:10,548 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_amount25_file-45.i[915,928] [2024-10-14 12:44:10,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:44:10,611 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 12:44:10,623 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_amount25_file-45.i[915,928] [2024-10-14 12:44:10,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:44:10,666 INFO L204 MainTranslator]: Completed translation [2024-10-14 12:44:10,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10 WrapperNode [2024-10-14 12:44:10,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 12:44:10,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 12:44:10,668 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 12:44:10,668 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 12:44:10,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,711 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-10-14 12:44:10,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 12:44:10,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 12:44:10,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 12:44:10,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 12:44:10,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,739 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 12:44:10,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 12:44:10,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 12:44:10,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 12:44:10,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 12:44:10,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10" (1/1) ... [2024-10-14 12:44:10,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:44:10,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:44:10,804 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 12:44:10,807 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 12:44:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 12:44:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 12:44:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 12:44:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 12:44:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 12:44:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 12:44:10,915 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 12:44:10,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 12:44:11,885 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-14 12:44:11,886 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 12:44:11,938 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 12:44:11,938 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 12:44:11,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:11 BoogieIcfgContainer [2024-10-14 12:44:11,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 12:44:11,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 12:44:11,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 12:44:11,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 12:44:11,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:44:10" (1/3) ... [2024-10-14 12:44:11,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14069d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:44:11, skipping insertion in model container [2024-10-14 12:44:11,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:10" (2/3) ... [2024-10-14 12:44:11,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14069d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:44:11, skipping insertion in model container [2024-10-14 12:44:11,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:11" (3/3) ... [2024-10-14 12:44:11,944 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-45.i [2024-10-14 12:44:11,958 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 12:44:11,958 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 12:44:12,017 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 12:44:12,024 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;@e6ea507, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 12:44:12,025 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 12:44:12,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 12:44:12,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 12:44:12,039 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:44:12,039 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:44:12,040 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:44:12,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:44:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash -10547607, now seen corresponding path program 1 times [2024-10-14 12:44:12,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 12:44:12,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110403832] [2024-10-14 12:44:12,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:44:12,058 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 12:44:12,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 12:44:12,064 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 12:44:12,076 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 12:44:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:44:12,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 12:44:12,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:44:57,008 WARN L286 SmtUtils]: Spent 12.82s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)