./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.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 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:15:33,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:15:33,582 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 17:15:33,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:15:33,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:15:33,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:15:33,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:15:33,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:15:33,620 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:15:33,623 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:15:33,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:15:33,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:15:33,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:15:33,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:15:33,625 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:15:33,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:15:33,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:15:33,626 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:15:33,626 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 17:15:33,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:15:33,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:15:33,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:15:33,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:15:33,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:15:33,630 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:15:33,630 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:15:33,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:15:33,631 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:15:33,631 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:15:33,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:15:33,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:15:33,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:15:33,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:15:33,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:15:33,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:15:33,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:15:33,633 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 17:15:33,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 17:15:33,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:15:33,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:15:33,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:15:33,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:15:33,634 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 [2024-11-16 17:15:33,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:15:33,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:15:33,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:15:33,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:15:33,886 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:15:33,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2024-11-16 17:15:35,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:15:35,483 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:15:35,483 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2024-11-16 17:15:35,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/241ac1d8e/d7526e0ea9b349a4a9103b1b176004e2/FLAGa47bd8397 [2024-11-16 17:15:35,874 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/241ac1d8e/d7526e0ea9b349a4a9103b1b176004e2 [2024-11-16 17:15:35,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:15:35,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:15:35,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:15:35,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:15:35,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:15:35,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:15:35" (1/1) ... [2024-11-16 17:15:35,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4f0dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:35, skipping insertion in model container [2024-11-16 17:15:35,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:15:35" (1/1) ... [2024-11-16 17:15:35,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:15:36,086 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2024-11-16 17:15:36,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:15:36,123 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:15:36,135 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2024-11-16 17:15:36,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:15:36,170 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:15:36,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36 WrapperNode [2024-11-16 17:15:36,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:15:36,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:15:36,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:15:36,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:15:36,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36" (1/1) ... [2024-11-16 17:15:36,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36" (1/1) ... [2024-11-16 17:15:36,210 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2024-11-16 17:15:36,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:15:36,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:15:36,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:15:36,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:15:36,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36" (1/1) ... [2024-11-16 17:15:36,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36" (1/1) ... [2024-11-16 17:15:36,226 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36" (1/1) ... [2024-11-16 17:15:36,245 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 17:15:36,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36" (1/1) ... [2024-11-16 17:15:36,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36" (1/1) ... [2024-11-16 17:15:36,250 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36" (1/1) ... [2024-11-16 17:15:36,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36" (1/1) ... [2024-11-16 17:15:36,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36" (1/1) ... [2024-11-16 17:15:36,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36" (1/1) ... [2024-11-16 17:15:36,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:15:36,256 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:15:36,256 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:15:36,257 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:15:36,257 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36" (1/1) ... [2024-11-16 17:15:36,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:15:36,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:15:36,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 17:15:36,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 17:15:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:15:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:15:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:15:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 17:15:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:15:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:15:36,423 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:15:36,426 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:15:36,641 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-16 17:15:36,641 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:15:36,657 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:15:36,657 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 17:15:36,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:15:36 BoogieIcfgContainer [2024-11-16 17:15:36,658 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:15:36,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:15:36,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:15:36,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:15:36,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:15:35" (1/3) ... [2024-11-16 17:15:36,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2399d2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:15:36, skipping insertion in model container [2024-11-16 17:15:36,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:36" (2/3) ... [2024-11-16 17:15:36,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2399d2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:15:36, skipping insertion in model container [2024-11-16 17:15:36,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:15:36" (3/3) ... [2024-11-16 17:15:36,669 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-72.i [2024-11-16 17:15:36,683 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:15:36,683 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:15:36,735 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:15:36,741 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;@54ccbdf6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:15:36,742 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:15:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 28 states have internal predecessors, (33), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-16 17:15:36,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 17:15:36,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:15:36,754 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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] [2024-11-16 17:15:36,755 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:15:36,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:15:36,759 INFO L85 PathProgramCache]: Analyzing trace with hash 585355049, now seen corresponding path program 1 times [2024-11-16 17:15:36,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:15:36,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385668397] [2024-11-16 17:15:36,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:15:36,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:15:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 17:15:37,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 17:15:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 17:15:37,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 17:15:37,280 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 17:15:37,281 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 17:15:37,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 17:15:37,287 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-16 17:15:37,361 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 17:15:37,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:15:37 BoogieIcfgContainer [2024-11-16 17:15:37,364 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 17:15:37,365 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 17:15:37,365 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 17:15:37,366 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 17:15:37,368 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:15:36" (3/4) ... [2024-11-16 17:15:37,371 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 17:15:37,372 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 17:15:37,374 INFO L158 Benchmark]: Toolchain (without parser) took 1495.32ms. Allocated memory was 161.5MB in the beginning and 222.3MB in the end (delta: 60.8MB). Free memory was 109.3MB in the beginning and 177.0MB in the end (delta: -67.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:15:37,375 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:15:37,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.08ms. Allocated memory is still 161.5MB. Free memory was 108.8MB in the beginning and 95.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 17:15:37,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.74ms. Allocated memory is still 161.5MB. Free memory was 95.1MB in the beginning and 93.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 17:15:37,378 INFO L158 Benchmark]: Boogie Preprocessor took 43.98ms. Allocated memory is still 161.5MB. Free memory was 93.1MB in the beginning and 91.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:15:37,378 INFO L158 Benchmark]: IcfgBuilder took 401.83ms. Allocated memory is still 161.5MB. Free memory was 91.6MB in the beginning and 77.9MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 17:15:37,379 INFO L158 Benchmark]: TraceAbstraction took 704.11ms. Allocated memory was 161.5MB in the beginning and 222.3MB in the end (delta: 60.8MB). Free memory was 77.4MB in the beginning and 177.0MB in the end (delta: -99.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:15:37,380 INFO L158 Benchmark]: Witness Printer took 7.15ms. Allocated memory is still 222.3MB. Free memory was 177.0MB in the beginning and 177.0MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 17:15:37,383 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 161.5MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.08ms. Allocated memory is still 161.5MB. Free memory was 108.8MB in the beginning and 95.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.74ms. Allocated memory is still 161.5MB. Free memory was 95.1MB in the beginning and 93.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.98ms. Allocated memory is still 161.5MB. Free memory was 93.1MB in the beginning and 91.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 401.83ms. Allocated memory is still 161.5MB. Free memory was 91.6MB in the beginning and 77.9MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 704.11ms. Allocated memory was 161.5MB in the beginning and 222.3MB in the end (delta: 60.8MB). Free memory was 77.4MB in the beginning and 177.0MB in the end (delta: -99.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.15ms. Allocated memory is still 222.3MB. Free memory was 177.0MB in the beginning and 177.0MB in the end (delta: 2.0kB). 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 someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someUnaryDOUBLEoperation at line 31. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 4; [L23] unsigned long int var_1_3 = 3854620897; [L24] unsigned long int var_1_4 = 1; [L25] unsigned long int var_1_5 = 5; [L26] unsigned long int var_1_6 = 1934698459; [L27] unsigned long int var_1_7 = 1000000000; [L28] unsigned long int var_1_8 = 0; [L29] unsigned long int var_1_9 = 16; [L30] double var_1_10 = 31.375; [L31] double var_1_11 = -0.6; VAL [isInitial=0, var_1_10=251/8, var_1_1=4, var_1_3=3854620897, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L71] isInitial = 1 [L72] FCALL initially() [L73] COND TRUE 1 [L74] FCALL updateLastVariables() [L75] CALL updateVariables() [L43] var_1_3 = __VERIFIER_nondet_ulong() [L44] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L44] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L45] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L45] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L46] var_1_4 = __VERIFIER_nondet_ulong() [L47] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L47] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L48] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L48] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L49] var_1_5 = __VERIFIER_nondet_ulong() [L50] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L50] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L51] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L51] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L52] var_1_6 = __VERIFIER_nondet_ulong() [L53] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L53] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L54] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L54] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L55] var_1_7 = __VERIFIER_nondet_ulong() [L56] CALL assume_abort_if_not(var_1_7 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=0, var_1_9=16] [L56] RET assume_abort_if_not(var_1_7 >= 536870911) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=0, var_1_9=16] [L57] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=0, var_1_9=16] [L57] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=0, var_1_9=16] [L58] var_1_8 = __VERIFIER_nondet_ulong() [L59] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_9=16] [L59] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_9=16] [L60] CALL assume_abort_if_not(var_1_8 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=-4294967296, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=-4294967296, var_1_9=16] [L60] RET assume_abort_if_not(var_1_8 <= 536870911) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=-4294967296, var_1_9=16] [L61] var_1_11 = __VERIFIER_nondet_double() [L62] 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, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=-4294967296, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=-4294967296, var_1_9=16] [L62] 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, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=-4294967296, var_1_9=16] [L75] RET updateVariables() [L76] CALL step() [L35] var_1_9 = var_1_7 [L36] var_1_10 = var_1_11 [L37] unsigned long int stepLocal_0 = var_1_9; VAL [isInitial=1, stepLocal_0=-3221225473, var_1_10=13835058061724614660, var_1_11=13835058061724614660, var_1_1=4, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=-4294967296, var_1_9=-3221225473] [L38] COND TRUE stepLocal_0 >= (var_1_3 - ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) [L39] var_1_1 = (var_1_4 + (var_1_6 - (var_1_7 - var_1_8))) VAL [isInitial=1, var_1_10=13835058061724614660, var_1_11=13835058061724614660, var_1_1=13835058061724614655U, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=-4294967296, var_1_9=-3221225473] [L76] RET step() [L77] CALL, EXPR property() [L67-L68] return (((var_1_9 >= (var_1_3 - ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (var_1_1 == ((unsigned long int) (var_1_4 + (var_1_6 - (var_1_7 - var_1_8))))) : 1) && (var_1_9 == ((unsigned long int) var_1_7))) && (var_1_10 == ((double) var_1_11)) ; VAL [\result=0, isInitial=1, var_1_10=13835058061724614660, var_1_11=13835058061724614660, var_1_1=13835058061724614655U, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=-4294967296, var_1_9=-3221225473] [L77] RET, EXPR property() [L77] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=13835058061724614660, var_1_11=13835058061724614660, var_1_1=13835058061724614655U, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=-4294967296, var_1_9=-3221225473] [L19] reach_error() VAL [isInitial=1, var_1_10=13835058061724614660, var_1_11=13835058061724614660, var_1_1=13835058061724614655U, var_1_3=-2147483649, var_1_4=2147483647, var_1_5=2147483647, var_1_6=13835058060650872831U, var_1_7=-3221225473, var_1_8=-4294967296, var_1_9=-3221225473] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 17:15:37,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.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 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:15:39,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:15:39,640 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 17:15:39,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:15:39,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:15:39,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:15:39,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:15:39,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:15:39,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:15:39,680 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:15:39,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:15:39,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:15:39,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:15:39,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:15:39,682 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:15:39,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:15:39,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:15:39,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:15:39,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:15:39,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:15:39,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:15:39,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:15:39,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:15:39,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 17:15:39,685 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 17:15:39,685 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:15:39,685 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 17:15:39,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:15:39,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:15:39,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:15:39,686 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:15:39,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:15:39,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:15:39,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:15:39,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:15:39,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:15:39,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:15:39,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:15:39,688 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 17:15:39,688 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 17:15:39,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:15:39,689 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:15:39,689 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:15:39,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:15:39,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 [2024-11-16 17:15:40,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:15:40,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:15:40,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:15:40,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:15:40,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:15:40,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2024-11-16 17:15:41,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:15:41,885 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:15:41,885 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2024-11-16 17:15:41,895 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3459826d9/668f4868fa764e57b8b8c9ffa7e0ed8f/FLAG6dea64b21 [2024-11-16 17:15:41,906 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3459826d9/668f4868fa764e57b8b8c9ffa7e0ed8f [2024-11-16 17:15:41,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:15:41,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:15:41,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:15:41,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:15:41,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:15:41,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:15:41" (1/1) ... [2024-11-16 17:15:41,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403ce02a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:41, skipping insertion in model container [2024-11-16 17:15:41,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:15:41" (1/1) ... [2024-11-16 17:15:41,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:15:42,114 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2024-11-16 17:15:42,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:15:42,162 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:15:42,175 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2024-11-16 17:15:42,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:15:42,219 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:15:42,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42 WrapperNode [2024-11-16 17:15:42,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:15:42,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:15:42,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:15:42,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:15:42,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42" (1/1) ... [2024-11-16 17:15:42,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42" (1/1) ... [2024-11-16 17:15:42,258 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2024-11-16 17:15:42,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:15:42,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:15:42,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:15:42,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:15:42,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42" (1/1) ... [2024-11-16 17:15:42,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42" (1/1) ... [2024-11-16 17:15:42,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42" (1/1) ... [2024-11-16 17:15:42,282 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 17:15:42,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42" (1/1) ... [2024-11-16 17:15:42,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42" (1/1) ... [2024-11-16 17:15:42,292 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42" (1/1) ... [2024-11-16 17:15:42,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42" (1/1) ... [2024-11-16 17:15:42,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42" (1/1) ... [2024-11-16 17:15:42,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42" (1/1) ... [2024-11-16 17:15:42,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:15:42,311 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:15:42,311 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:15:42,312 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:15:42,312 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42" (1/1) ... [2024-11-16 17:15:42,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:15:42,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:15:42,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 17:15:42,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 17:15:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:15:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 17:15:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:15:42,406 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:15:42,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:15:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:15:42,489 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:15:42,491 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:15:42,720 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-16 17:15:42,720 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:15:42,736 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:15:42,737 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 17:15:42,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:15:42 BoogieIcfgContainer [2024-11-16 17:15:42,738 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:15:42,741 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:15:42,741 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:15:42,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:15:42,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:15:41" (1/3) ... [2024-11-16 17:15:42,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce76616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:15:42, skipping insertion in model container [2024-11-16 17:15:42,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:15:42" (2/3) ... [2024-11-16 17:15:42,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce76616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:15:42, skipping insertion in model container [2024-11-16 17:15:42,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:15:42" (3/3) ... [2024-11-16 17:15:42,749 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-72.i [2024-11-16 17:15:42,766 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:15:42,766 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:15:42,837 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:15:42,846 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;@30060d81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:15:42,847 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:15:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 28 states have internal predecessors, (33), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-16 17:15:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 17:15:42,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:15:42,880 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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] [2024-11-16 17:15:42,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:15:42,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:15:42,887 INFO L85 PathProgramCache]: Analyzing trace with hash 585355049, now seen corresponding path program 1 times [2024-11-16 17:15:42,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 17:15:42,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097074322] [2024-11-16 17:15:42,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:15:42,903 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 17:15:42,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 17:15:42,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 17:15:42,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-16 17:15:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:15:43,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-16 17:15:43,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:15:44,081 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-16 17:15:44,081 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 17:15:44,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 17:15:44,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2097074322] [2024-11-16 17:15:44,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2097074322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:15:44,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:15:44,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 17:15:44,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380035219] [2024-11-16 17:15:44,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:15:44,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 17:15:44,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 17:15:44,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 17:15:44,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-16 17:15:44,115 INFO L87 Difference]: Start difference. First operand has 43 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 28 states have internal predecessors, (33), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 17:15:45,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:15:45,762 INFO L93 Difference]: Finished difference Result 121 states and 195 transitions. [2024-11-16 17:15:45,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 17:15:45,764 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 84 [2024-11-16 17:15:45,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:15:45,774 INFO L225 Difference]: With dead ends: 121 [2024-11-16 17:15:45,774 INFO L226 Difference]: Without dead ends: 81 [2024-11-16 17:15:45,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2024-11-16 17:15:45,780 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 66 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 17:15:45,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 216 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 17:15:45,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-16 17:15:45,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 73. [2024-11-16 17:15:45,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 47 states have internal predecessors, (47), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 21 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-16 17:15:45,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2024-11-16 17:15:45,831 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 84 [2024-11-16 17:15:45,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:15:45,832 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2024-11-16 17:15:45,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 17:15:45,833 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2024-11-16 17:15:45,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 17:15:45,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:15:45,836 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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] [2024-11-16 17:15:45,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-16 17:15:46,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 17:15:46,041 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:15:46,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:15:46,042 INFO L85 PathProgramCache]: Analyzing trace with hash 613984200, now seen corresponding path program 1 times [2024-11-16 17:15:46,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 17:15:46,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [923689913] [2024-11-16 17:15:46,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:15:46,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 17:15:46,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 17:15:46,046 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 17:15:46,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-16 17:15:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:15:46,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-16 17:15:46,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:15:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 147 proven. 6 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-16 17:15:47,177 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 17:15:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-16 17:15:49,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 17:15:49,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [923689913] [2024-11-16 17:15:49,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [923689913] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-16 17:15:49,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 17:15:49,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 20 [2024-11-16 17:15:49,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541039255] [2024-11-16 17:15:49,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:15:49,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 17:15:49,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 17:15:49,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 17:15:49,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2024-11-16 17:15:49,206 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 17:15:52,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:15:52,256 INFO L93 Difference]: Finished difference Result 79 states and 98 transitions. [2024-11-16 17:15:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 17:15:52,260 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 84 [2024-11-16 17:15:52,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:15:52,261 INFO L225 Difference]: With dead ends: 79 [2024-11-16 17:15:52,261 INFO L226 Difference]: Without dead ends: 0 [2024-11-16 17:15:52,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2024-11-16 17:15:52,265 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 55 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-16 17:15:52,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 162 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-16 17:15:52,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-16 17:15:52,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-16 17:15:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 17:15:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-16 17:15:52,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2024-11-16 17:15:52,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:15:52,269 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-16 17:15:52,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 17:15:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-16 17:15:52,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-16 17:15:52,272 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 17:15:52,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-16 17:15:52,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 17:15:52,476 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 17:15:52,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-16 17:15:59,978 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 17:15:59,994 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:15:59,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-16 17:15:59,998 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 17:15:59,998 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-16 17:16:00,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:16:00 BoogieIcfgContainer [2024-11-16 17:16:00,005 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 17:16:00,007 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 17:16:00,008 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 17:16:00,008 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 17:16:00,009 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:15:42" (3/4) ... [2024-11-16 17:16:00,011 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 17:16:00,016 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-16 17:16:00,022 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-16 17:16:00,023 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-16 17:16:00,023 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 17:16:00,023 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 17:16:00,125 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 17:16:00,126 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 17:16:00,129 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 17:16:00,130 INFO L158 Benchmark]: Toolchain (without parser) took 18219.12ms. Allocated memory was 60.8MB in the beginning and 100.7MB in the end (delta: 39.8MB). Free memory was 34.5MB in the beginning and 76.5MB in the end (delta: -42.1MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2024-11-16 17:16:00,130 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 17:16:00,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.25ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 34.2MB in the beginning and 59.4MB in the end (delta: -25.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-16 17:16:00,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.90ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 57.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 17:16:00,131 INFO L158 Benchmark]: Boogie Preprocessor took 51.41ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 17:16:00,131 INFO L158 Benchmark]: IcfgBuilder took 426.60ms. Allocated memory is still 83.9MB. Free memory was 55.3MB in the beginning and 42.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 17:16:00,132 INFO L158 Benchmark]: TraceAbstraction took 17265.10ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 41.7MB in the beginning and 27.5MB in the end (delta: 14.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-11-16 17:16:00,133 INFO L158 Benchmark]: Witness Printer took 122.40ms. Allocated memory is still 100.7MB. Free memory was 27.5MB in the beginning and 76.5MB in the end (delta: -49.1MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-11-16 17:16:00,134 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.25ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 34.2MB in the beginning and 59.4MB in the end (delta: -25.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.90ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 57.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.41ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 426.60ms. Allocated memory is still 83.9MB. Free memory was 55.3MB in the beginning and 42.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 17265.10ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 41.7MB in the beginning and 27.5MB in the end (delta: 14.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Witness Printer took 122.40ms. Allocated memory is still 100.7MB. Free memory was 27.5MB in the beginning and 76.5MB in the end (delta: -49.1MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.7s, OverallIterations: 2, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 378 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 286 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 375 IncrementalHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 92 mSDtfsCounter, 375 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=1, 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, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 249 ConstructedInterpolants, 5 QuantifiedInterpolants, 1334 SizeOfPredicates, 29 NumberOfNonLiveVariables, 275 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 930/936 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: 73]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && (((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11)))) RESULT: Ultimate proved your program to be correct! [2024-11-16 17:16:00,180 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