./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-41.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 565095ef4bf5af3361c638d54e1bfa37b91cf07476641b0729cc81141669566f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:17:19,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:17:19,077 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 08:17:19,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:17:19,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:17:19,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:17:19,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:17:19,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:17:19,119 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:17:19,120 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:17:19,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:17:19,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:17:19,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:17:19,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:17:19,121 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:17:19,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:17:19,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:17:19,122 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:17:19,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 08:17:19,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:17:19,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:17:19,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:17:19,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:17:19,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:17:19,126 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:17:19,126 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:17:19,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:17:19,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:17:19,126 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:17:19,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:17:19,127 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:17:19,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:17:19,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:17:19,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:17:19,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:17:19,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:17:19,128 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 08:17:19,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 08:17:19,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:17:19,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:17:19,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:17:19,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:17:19,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 565095ef4bf5af3361c638d54e1bfa37b91cf07476641b0729cc81141669566f [2024-11-10 08:17:19,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:17:19,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:17:19,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:17:19,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:17:19,354 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:17:19,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-41.i [2024-11-10 08:17:20,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:17:20,699 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:17:20,699 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-41.i [2024-11-10 08:17:20,705 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3ed440cb/a89454980a9849208c6f5f91cafe1dcb/FLAG858fb97de [2024-11-10 08:17:20,717 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3ed440cb/a89454980a9849208c6f5f91cafe1dcb [2024-11-10 08:17:20,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:17:20,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:17:20,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:17:20,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:17:20,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:17:20,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:20,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f431a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20, skipping insertion in model container [2024-11-10 08:17:20,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:20,742 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:17:20,881 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-41.i[915,928] [2024-11-10 08:17:20,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:17:20,916 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:17:20,925 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-41.i[915,928] [2024-11-10 08:17:20,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:17:20,971 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:17:20,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20 WrapperNode [2024-11-10 08:17:20,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:17:20,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:17:20,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:17:20,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:17:20,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:20,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:21,010 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2024-11-10 08:17:21,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:17:21,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:17:21,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:17:21,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:17:21,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:21,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:21,022 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:21,032 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 08:17:21,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:21,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:21,035 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:21,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:21,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:21,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:21,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:17:21,039 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:17:21,040 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:17:21,040 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:17:21,040 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20" (1/1) ... [2024-11-10 08:17:21,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:17:21,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:17:21,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 08:17:21,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 08:17:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:17:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:17:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:17:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 08:17:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:17:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:17:21,164 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:17:21,166 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:17:21,324 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-10 08:17:21,325 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:17:21,338 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:17:21,338 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 08:17:21,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:17:21 BoogieIcfgContainer [2024-11-10 08:17:21,339 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:17:21,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:17:21,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:17:21,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:17:21,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:17:20" (1/3) ... [2024-11-10 08:17:21,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d5d4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:17:21, skipping insertion in model container [2024-11-10 08:17:21,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:17:20" (2/3) ... [2024-11-10 08:17:21,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d5d4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:17:21, skipping insertion in model container [2024-11-10 08:17:21,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:17:21" (3/3) ... [2024-11-10 08:17:21,348 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-41.i [2024-11-10 08:17:21,362 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:17:21,363 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:17:21,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:17:21,414 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;@7eabae4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:17:21,414 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:17:21,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 28 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 08:17:21,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-10 08:17:21,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:17:21,428 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 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] [2024-11-10 08:17:21,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:17:21,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:17:21,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1327546565, now seen corresponding path program 1 times [2024-11-10 08:17:21,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:17:21,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110011742] [2024-11-10 08:17:21,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:17:21,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:17:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:21,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:17:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:21,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:17:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:21,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:17:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:21,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:17:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:21,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:17:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:21,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:17:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:21,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:17:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:21,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:17:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:21,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:17:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:21,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:17:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:21,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:17:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:21,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:17:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:21,666 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 08:17:21,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:17:21,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110011742] [2024-11-10 08:17:21,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110011742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:17:21,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:17:21,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:17:21,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813819099] [2024-11-10 08:17:21,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:17:21,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:17:21,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:17:21,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:17:21,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:17:21,698 INFO L87 Difference]: Start difference. First operand has 42 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 28 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-10 08:17:21,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:17:21,720 INFO L93 Difference]: Finished difference Result 76 states and 119 transitions. [2024-11-10 08:17:21,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:17:21,722 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2024-11-10 08:17:21,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:17:21,728 INFO L225 Difference]: With dead ends: 76 [2024-11-10 08:17:21,728 INFO L226 Difference]: Without dead ends: 37 [2024-11-10 08:17:21,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:17:21,735 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:17:21,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:17:21,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-10 08:17:21,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-10 08:17:21,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 08:17:21,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2024-11-10 08:17:21,774 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 79 [2024-11-10 08:17:21,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:17:21,774 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2024-11-10 08:17:21,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-10 08:17:21,776 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-11-10 08:17:21,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-10 08:17:21,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:17:21,779 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 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] [2024-11-10 08:17:21,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 08:17:21,780 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:17:21,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:17:21,780 INFO L85 PathProgramCache]: Analyzing trace with hash 92295995, now seen corresponding path program 1 times [2024-11-10 08:17:21,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:17:21,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130315989] [2024-11-10 08:17:21,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:17:21,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:17:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:22,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:17:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:22,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:17:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:22,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:17:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:22,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:17:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:22,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:17:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:22,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:17:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:22,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:17:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:22,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:17:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:22,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:17:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:22,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:17:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:22,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:17:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:22,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:17:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:17:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 08:17:22,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:17:22,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130315989] [2024-11-10 08:17:22,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130315989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:17:22,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:17:22,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 08:17:22,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900958127] [2024-11-10 08:17:22,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:17:22,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 08:17:22,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:17:22,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 08:17:22,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 08:17:22,577 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-10 08:17:22,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:17:22,705 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2024-11-10 08:17:22,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 08:17:22,707 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 79 [2024-11-10 08:17:22,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:17:22,709 INFO L225 Difference]: With dead ends: 53 [2024-11-10 08:17:22,709 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 08:17:22,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 08:17:22,710 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 25 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:17:22,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 254 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:17:22,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 08:17:22,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 08:17:22,711 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) [2024-11-10 08:17:22,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 08:17:22,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2024-11-10 08:17:22,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:17:22,712 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 08:17:22,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-10 08:17:22,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 08:17:22,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 08:17:22,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-10 08:17:22,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 08:17:22,717 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-10 08:17:22,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 08:17:22,755 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 08:17:22,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:17:22 BoogieIcfgContainer [2024-11-10 08:17:22,772 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 08:17:22,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 08:17:22,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 08:17:22,773 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 08:17:22,773 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:17:21" (3/4) ... [2024-11-10 08:17:22,775 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 08:17:22,779 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-10 08:17:22,782 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-10 08:17:22,783 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 08:17:22,783 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 08:17:22,783 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 08:17:22,854 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 08:17:22,855 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 08:17:22,855 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 08:17:22,856 INFO L158 Benchmark]: Toolchain (without parser) took 2136.04ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 66.2MB in the beginning and 96.7MB in the end (delta: -30.6MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-10 08:17:22,856 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 08:17:22,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.48ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 65.8MB in the beginning and 177.4MB in the end (delta: -111.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-10 08:17:22,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.65ms. Allocated memory is still 207.6MB. Free memory was 177.3MB in the beginning and 176.9MB in the end (delta: 422.7kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 08:17:22,856 INFO L158 Benchmark]: Boogie Preprocessor took 27.60ms. Allocated memory is still 207.6MB. Free memory was 176.9MB in the beginning and 173.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 08:17:22,856 INFO L158 Benchmark]: IcfgBuilder took 299.72ms. Allocated memory is still 207.6MB. Free memory was 173.8MB in the beginning and 159.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 08:17:22,857 INFO L158 Benchmark]: TraceAbstraction took 1430.95ms. Allocated memory is still 207.6MB. Free memory was 158.0MB in the beginning and 102.0MB in the end (delta: 56.1MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-11-10 08:17:22,857 INFO L158 Benchmark]: Witness Printer took 82.27ms. Allocated memory is still 207.6MB. Free memory was 100.9MB in the beginning and 96.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 08:17:22,858 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.48ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 65.8MB in the beginning and 177.4MB in the end (delta: -111.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.65ms. Allocated memory is still 207.6MB. Free memory was 177.3MB in the beginning and 176.9MB in the end (delta: 422.7kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.60ms. Allocated memory is still 207.6MB. Free memory was 176.9MB in the beginning and 173.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 299.72ms. Allocated memory is still 207.6MB. Free memory was 173.8MB in the beginning and 159.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1430.95ms. Allocated memory is still 207.6MB. Free memory was 158.0MB in the beginning and 102.0MB in the end (delta: 56.1MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Witness Printer took 82.27ms. Allocated memory is still 207.6MB. Free memory was 100.9MB in the beginning and 96.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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 - 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, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 302 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 191 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 111 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 528/528 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: 70]: 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: (((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (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))) RESULT: Ultimate proved your program to be correct! [2024-11-10 08:17:22,880 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