./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-35.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 0296c2c765da5a529e1bbaf319642b95a8aa6afdf63ae3123d19a38a95241bba --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 11:34:01,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 11:34:01,371 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 11:34:01,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 11:34:01,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 11:34:01,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 11:34:01,416 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 11:34:01,416 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 11:34:01,417 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 11:34:01,419 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 11:34:01,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 11:34:01,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 11:34:01,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 11:34:01,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 11:34:01,423 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 11:34:01,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 11:34:01,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 11:34:01,424 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 11:34:01,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 11:34:01,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 11:34:01,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 11:34:01,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 11:34:01,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 11:34:01,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 11:34:01,427 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 11:34:01,427 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 11:34:01,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 11:34:01,428 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 11:34:01,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 11:34:01,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 11:34:01,429 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 11:34:01,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 11:34:01,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:34:01,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 11:34:01,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 11:34:01,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 11:34:01,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 11:34:01,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 11:34:01,432 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 11:34:01,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 11:34:01,432 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 11:34:01,433 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 11:34:01,433 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0296c2c765da5a529e1bbaf319642b95a8aa6afdf63ae3123d19a38a95241bba [2024-11-22 11:34:01,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 11:34:01,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 11:34:01,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 11:34:01,772 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 11:34:01,773 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 11:34:01,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-35.i [2024-11-22 11:34:03,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 11:34:03,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 11:34:03,459 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-35.i [2024-11-22 11:34:03,481 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e656e00/9a8edd91948c4f88af3595ece6ad0f70/FLAGfd9fcb44c [2024-11-22 11:34:03,817 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e656e00/9a8edd91948c4f88af3595ece6ad0f70 [2024-11-22 11:34:03,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 11:34:03,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 11:34:03,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 11:34:03,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 11:34:03,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 11:34:03,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:34:03" (1/1) ... [2024-11-22 11:34:03,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4077cfab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:03, skipping insertion in model container [2024-11-22 11:34:03,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:34:03" (1/1) ... [2024-11-22 11:34:03,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 11:34:04,038 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-35.i[915,928] [2024-11-22 11:34:04,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:34:04,070 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 11:34:04,080 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-35.i[915,928] [2024-11-22 11:34:04,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:34:04,106 INFO L204 MainTranslator]: Completed translation [2024-11-22 11:34:04,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04 WrapperNode [2024-11-22 11:34:04,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 11:34:04,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 11:34:04,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 11:34:04,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 11:34:04,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04" (1/1) ... [2024-11-22 11:34:04,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04" (1/1) ... [2024-11-22 11:34:04,139 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2024-11-22 11:34:04,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 11:34:04,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 11:34:04,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 11:34:04,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 11:34:04,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04" (1/1) ... [2024-11-22 11:34:04,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04" (1/1) ... [2024-11-22 11:34:04,154 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04" (1/1) ... [2024-11-22 11:34:04,166 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]. [2024-11-22 11:34:04,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04" (1/1) ... [2024-11-22 11:34:04,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04" (1/1) ... [2024-11-22 11:34:04,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04" (1/1) ... [2024-11-22 11:34:04,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04" (1/1) ... [2024-11-22 11:34:04,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04" (1/1) ... [2024-11-22 11:34:04,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04" (1/1) ... [2024-11-22 11:34:04,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 11:34:04,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 11:34:04,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 11:34:04,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 11:34:04,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04" (1/1) ... [2024-11-22 11:34:04,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:34:04,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 11:34:04,225 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) [2024-11-22 11:34:04,229 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 [2024-11-22 11:34:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 11:34:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 11:34:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 11:34:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 11:34:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 11:34:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 11:34:04,341 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 11:34:04,344 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 11:34:04,569 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-22 11:34:04,569 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 11:34:04,584 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 11:34:04,586 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 11:34:04,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:34:04 BoogieIcfgContainer [2024-11-22 11:34:04,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 11:34:04,590 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 11:34:04,590 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 11:34:04,594 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 11:34:04,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:34:03" (1/3) ... [2024-11-22 11:34:04,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd77b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:34:04, skipping insertion in model container [2024-11-22 11:34:04,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:04" (2/3) ... [2024-11-22 11:34:04,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd77b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:34:04, skipping insertion in model container [2024-11-22 11:34:04,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:34:04" (3/3) ... [2024-11-22 11:34:04,596 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-35.i [2024-11-22 11:34:04,617 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 11:34:04,618 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 11:34:04,689 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 11:34:04,696 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;@1f6a3a00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 11:34:04,697 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 11:34:04,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 23 states have internal predecessors, (29), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 11:34:04,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-22 11:34:04,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:34:04,712 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:34:04,712 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:34:04,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:34:04,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1367758180, now seen corresponding path program 1 times [2024-11-22 11:34:04,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 11:34:04,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711422154] [2024-11-22 11:34:04,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:34:04,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 11:34:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 11:34:04,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 11:34:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 11:34:04,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 11:34:04,995 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 11:34:04,996 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 11:34:04,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 11:34:05,003 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-22 11:34:05,045 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 11:34:05,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:34:05 BoogieIcfgContainer [2024-11-22 11:34:05,048 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 11:34:05,049 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 11:34:05,049 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 11:34:05,049 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 11:34:05,050 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:34:04" (3/4) ... [2024-11-22 11:34:05,054 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 11:34:05,055 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 11:34:05,056 INFO L158 Benchmark]: Toolchain (without parser) took 1235.70ms. Allocated memory is still 178.3MB. Free memory was 148.8MB in the beginning and 123.1MB in the end (delta: 25.7MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-11-22 11:34:05,057 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 178.3MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 11:34:05,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.43ms. Allocated memory is still 178.3MB. Free memory was 148.8MB in the beginning and 136.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 11:34:05,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.65ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 134.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 11:34:05,059 INFO L158 Benchmark]: Boogie Preprocessor took 42.72ms. Allocated memory is still 178.3MB. Free memory was 134.5MB in the beginning and 132.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 11:34:05,060 INFO L158 Benchmark]: RCFGBuilder took 402.48ms. Allocated memory is still 178.3MB. Free memory was 132.1MB in the beginning and 144.1MB in the end (delta: -11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 11:34:05,061 INFO L158 Benchmark]: TraceAbstraction took 458.35ms. Allocated memory is still 178.3MB. Free memory was 143.2MB in the beginning and 123.1MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-22 11:34:05,061 INFO L158 Benchmark]: Witness Printer took 6.48ms. Allocated memory is still 178.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 11:34:05,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 178.3MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.43ms. Allocated memory is still 178.3MB. Free memory was 148.8MB in the beginning and 136.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.65ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 134.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.72ms. Allocated memory is still 178.3MB. Free memory was 134.5MB in the beginning and 132.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 402.48ms. Allocated memory is still 178.3MB. Free memory was 132.1MB in the beginning and 144.1MB in the end (delta: -11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 458.35ms. Allocated memory is still 178.3MB. Free memory was 143.2MB in the beginning and 123.1MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 6.48ms. Allocated memory is still 178.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -2; [L23] signed char var_1_2 = 32; [L24] signed char var_1_3 = 2; [L25] signed char var_1_4 = 10; [L26] double var_1_5 = 4.4; VAL [isInitial=0, var_1_1=-2, var_1_2=32, var_1_3=2, var_1_4=10, var_1_5=22/5] [L57] isInitial = 1 [L58] FCALL initially() [L59] COND TRUE 1 [L60] FCALL updateLastVariables() [L61] CALL updateVariables() [L40] var_1_2 = __VERIFIER_nondet_char() [L41] CALL assume_abort_if_not(var_1_2 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=2, var_1_4=10, var_1_5=22/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=2, var_1_4=10, var_1_5=22/5] [L41] RET assume_abort_if_not(var_1_2 >= -128) VAL [isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=2, var_1_4=10, var_1_5=22/5] [L42] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=2, var_1_4=10, var_1_5=22/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=2, var_1_4=10, var_1_5=22/5] [L42] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=2, var_1_4=10, var_1_5=22/5] [L43] var_1_3 = __VERIFIER_nondet_char() [L44] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=127, var_1_4=10, var_1_5=22/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=127, var_1_4=10, var_1_5=22/5] [L44] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=127, var_1_4=10, var_1_5=22/5] [L45] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=127, var_1_4=10, var_1_5=22/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=127, var_1_4=10, var_1_5=22/5] [L45] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=127, var_1_4=10, var_1_5=22/5] [L46] var_1_4 = __VERIFIER_nondet_char() [L47] CALL assume_abort_if_not(var_1_4 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=127, var_1_4=126, var_1_5=22/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=127, var_1_4=126, var_1_5=22/5] [L47] RET assume_abort_if_not(var_1_4 >= -128) VAL [isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=127, var_1_4=126, var_1_5=22/5] [L48] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=127, var_1_4=126, var_1_5=22/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=127, var_1_4=126, var_1_5=22/5] [L48] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_1=-2, var_1_2=126, var_1_3=127, var_1_4=126, var_1_5=22/5] [L61] RET updateVariables() [L62] CALL step() [L30] COND TRUE var_1_2 != var_1_3 [L31] var_1_1 = ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2))) VAL [isInitial=1, var_1_1=126, var_1_2=126, var_1_3=127, var_1_4=126, var_1_5=22/5] [L37] var_1_5 = 9999.5 VAL [isInitial=1, var_1_1=126, var_1_2=126, var_1_3=127, var_1_4=126, var_1_5=19999/2] [L62] RET step() [L63] CALL, EXPR property() [L53-L54] return ((var_1_2 != var_1_3) ? (var_1_1 == ((signed short int) ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2))))) : ((var_1_3 <= ((((var_1_2) < (var_1_4)) ? (var_1_2) : (var_1_4)))) ? (var_1_1 == ((signed short int) (var_1_3 + var_1_4))) : 1)) && (var_1_5 == ((double) 9999.5)) ; VAL [\result=0, isInitial=1, var_1_1=126, var_1_2=126, var_1_3=127, var_1_4=126, var_1_5=19999/2] [L63] RET, EXPR property() [L63] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=126, var_1_2=126, var_1_3=127, var_1_4=126, var_1_5=19999/2] [L19] reach_error() VAL [isInitial=1, var_1_1=126, var_1_2=126, var_1_3=127, var_1_4=126, var_1_5=19999/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 6, 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=31occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 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 [2024-11-22 11:34:05,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-35.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 0296c2c765da5a529e1bbaf319642b95a8aa6afdf63ae3123d19a38a95241bba --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 11:34:07,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 11:34:07,415 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 11:34:07,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 11:34:07,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 11:34:07,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 11:34:07,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 11:34:07,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 11:34:07,456 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 11:34:07,456 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 11:34:07,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 11:34:07,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 11:34:07,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 11:34:07,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 11:34:07,460 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 11:34:07,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 11:34:07,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 11:34:07,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 11:34:07,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 11:34:07,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 11:34:07,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 11:34:07,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 11:34:07,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 11:34:07,464 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 11:34:07,464 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 11:34:07,465 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 11:34:07,465 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 11:34:07,465 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 11:34:07,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 11:34:07,466 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 11:34:07,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 11:34:07,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 11:34:07,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 11:34:07,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 11:34:07,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:34:07,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 11:34:07,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 11:34:07,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 11:34:07,478 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 11:34:07,478 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 11:34:07,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 11:34:07,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 11:34:07,480 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 11:34:07,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 11:34:07,480 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0296c2c765da5a529e1bbaf319642b95a8aa6afdf63ae3123d19a38a95241bba [2024-11-22 11:34:07,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 11:34:07,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 11:34:07,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 11:34:07,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 11:34:07,846 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 11:34:07,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-35.i [2024-11-22 11:34:09,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 11:34:09,708 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 11:34:09,709 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-35.i [2024-11-22 11:34:09,719 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c3b9eb0/926acc3259d64f46982bd7e990ccf79e/FLAG4842819b6 [2024-11-22 11:34:10,072 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c3b9eb0/926acc3259d64f46982bd7e990ccf79e [2024-11-22 11:34:10,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 11:34:10,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 11:34:10,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 11:34:10,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 11:34:10,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 11:34:10,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a0b8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10, skipping insertion in model container [2024-11-22 11:34:10,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 11:34:10,306 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-35.i[915,928] [2024-11-22 11:34:10,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:34:10,357 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 11:34:10,369 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-35.i[915,928] [2024-11-22 11:34:10,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:34:10,407 INFO L204 MainTranslator]: Completed translation [2024-11-22 11:34:10,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10 WrapperNode [2024-11-22 11:34:10,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 11:34:10,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 11:34:10,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 11:34:10,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 11:34:10,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,457 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 59 [2024-11-22 11:34:10,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 11:34:10,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 11:34:10,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 11:34:10,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 11:34:10,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,488 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]. [2024-11-22 11:34:10,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 11:34:10,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 11:34:10,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 11:34:10,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 11:34:10,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10" (1/1) ... [2024-11-22 11:34:10,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:34:10,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 11:34:10,557 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) [2024-11-22 11:34:10,561 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 [2024-11-22 11:34:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 11:34:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 11:34:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 11:34:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 11:34:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 11:34:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 11:34:10,690 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 11:34:10,693 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 11:34:10,913 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-22 11:34:10,914 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 11:34:10,929 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 11:34:10,930 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 11:34:10,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:34:10 BoogieIcfgContainer [2024-11-22 11:34:10,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 11:34:10,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 11:34:10,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 11:34:10,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 11:34:10,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:34:10" (1/3) ... [2024-11-22 11:34:10,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7debd8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:34:10, skipping insertion in model container [2024-11-22 11:34:10,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:34:10" (2/3) ... [2024-11-22 11:34:10,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7debd8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:34:10, skipping insertion in model container [2024-11-22 11:34:10,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:34:10" (3/3) ... [2024-11-22 11:34:10,940 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-35.i [2024-11-22 11:34:10,955 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 11:34:10,955 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 11:34:11,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 11:34:11,015 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;@4bef62d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 11:34:11,015 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 11:34:11,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 23 states have internal predecessors, (29), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 11:34:11,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-22 11:34:11,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:34:11,031 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:34:11,031 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:34:11,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:34:11,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1367758180, now seen corresponding path program 1 times [2024-11-22 11:34:11,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 11:34:11,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383670630] [2024-11-22 11:34:11,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:34:11,047 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 [2024-11-22 11:34:11,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 11:34:11,049 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) [2024-11-22 11:34:11,050 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 [2024-11-22 11:34:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:34:11,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 11:34:11,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 11:34:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 11:34:14,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 11:34:14,201 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 11:34:14,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383670630] [2024-11-22 11:34:14,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383670630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 11:34:14,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 11:34:14,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 11:34:14,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428559835] [2024-11-22 11:34:14,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 11:34:14,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 11:34:14,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 11:34:14,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 11:34:14,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 11:34:14,233 INFO L87 Difference]: Start difference. First operand has 31 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 23 states have internal predecessors, (29), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-22 11:34:14,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 11:34:14,399 INFO L93 Difference]: Finished difference Result 62 states and 92 transitions. [2024-11-22 11:34:14,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 11:34:14,402 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 44 [2024-11-22 11:34:14,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 11:34:14,409 INFO L225 Difference]: With dead ends: 62 [2024-11-22 11:34:14,409 INFO L226 Difference]: Without dead ends: 34 [2024-11-22 11:34:14,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-22 11:34:14,416 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 5 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 11:34:14,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 140 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 11:34:14,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-22 11:34:14,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2024-11-22 11:34:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 11:34:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2024-11-22 11:34:14,453 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 44 [2024-11-22 11:34:14,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 11:34:14,455 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2024-11-22 11:34:14,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-22 11:34:14,455 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2024-11-22 11:34:14,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-22 11:34:14,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:34:14,457 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:34:14,462 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 [2024-11-22 11:34:14,661 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 [2024-11-22 11:34:14,662 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:34:14,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:34:14,662 INFO L85 PathProgramCache]: Analyzing trace with hash -2087216681, now seen corresponding path program 1 times [2024-11-22 11:34:14,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 11:34:14,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396423727] [2024-11-22 11:34:14,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:34:14,663 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 [2024-11-22 11:34:14,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 11:34:14,668 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) [2024-11-22 11:34:14,686 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 [2024-11-22 11:34:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:34:14,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 11:34:14,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 11:34:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 11:34:15,668 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 11:34:15,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 11:34:15,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396423727] [2024-11-22 11:34:15,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [396423727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 11:34:15,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 11:34:15,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 11:34:15,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955920292] [2024-11-22 11:34:15,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 11:34:15,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 11:34:15,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 11:34:15,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 11:34:15,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 11:34:15,674 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-22 11:34:15,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 11:34:15,846 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2024-11-22 11:34:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 11:34:15,847 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 45 [2024-11-22 11:34:15,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 11:34:15,848 INFO L225 Difference]: With dead ends: 43 [2024-11-22 11:34:15,848 INFO L226 Difference]: Without dead ends: 41 [2024-11-22 11:34:15,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-22 11:34:15,849 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 14 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 11:34:15,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 150 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 11:34:15,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-22 11:34:15,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 31. [2024-11-22 11:34:15,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 11:34:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2024-11-22 11:34:15,861 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 45 [2024-11-22 11:34:15,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 11:34:15,861 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2024-11-22 11:34:15,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-22 11:34:15,861 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2024-11-22 11:34:15,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-22 11:34:15,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:34:15,864 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:34:15,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-22 11:34:16,065 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 [2024-11-22 11:34:16,066 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:34:16,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:34:16,067 INFO L85 PathProgramCache]: Analyzing trace with hash -2029958379, now seen corresponding path program 1 times [2024-11-22 11:34:16,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 11:34:16,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779613585] [2024-11-22 11:34:16,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:34:16,068 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 [2024-11-22 11:34:16,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 11:34:16,069 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 11:34:16,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-22 11:34:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:34:16,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 11:34:16,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 11:34:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 11:34:17,465 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 11:34:17,465 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 11:34:17,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779613585] [2024-11-22 11:34:17,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779613585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 11:34:17,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 11:34:17,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 11:34:17,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811160910] [2024-11-22 11:34:17,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 11:34:17,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 11:34:17,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 11:34:17,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 11:34:17,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 11:34:17,469 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-22 11:34:17,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 11:34:17,572 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2024-11-22 11:34:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 11:34:17,573 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 45 [2024-11-22 11:34:17,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 11:34:17,574 INFO L225 Difference]: With dead ends: 41 [2024-11-22 11:34:17,574 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 11:34:17,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-22 11:34:17,575 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 17 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 11:34:17,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 135 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 11:34:17,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 11:34:17,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 11:34:17,577 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) [2024-11-22 11:34:17,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 11:34:17,577 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2024-11-22 11:34:17,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 11:34:17,578 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 11:34:17,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-22 11:34:17,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 11:34:17,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 11:34:17,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 11:34:17,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-22 11:34:17,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 11:34:17,785 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-22 11:34:17,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 11:34:17,802 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 11:34:17,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:34:17 BoogieIcfgContainer [2024-11-22 11:34:17,819 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 11:34:17,820 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 11:34:17,820 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 11:34:17,820 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 11:34:17,821 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:34:10" (3/4) ... [2024-11-22 11:34:17,823 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 11:34:17,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-22 11:34:17,838 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-22 11:34:17,839 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 11:34:17,839 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 11:34:17,839 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 11:34:17,931 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 11:34:17,931 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 11:34:17,931 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 11:34:17,932 INFO L158 Benchmark]: Toolchain (without parser) took 7856.63ms. Allocated memory was 69.2MB in the beginning and 377.5MB in the end (delta: 308.3MB). Free memory was 37.0MB in the beginning and 161.3MB in the end (delta: -124.3MB). Peak memory consumption was 184.4MB. Max. memory is 16.1GB. [2024-11-22 11:34:17,932 INFO L158 Benchmark]: CDTParser took 1.17ms. Allocated memory is still 56.6MB. Free memory is still 31.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 11:34:17,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.35ms. Allocated memory is still 69.2MB. Free memory was 36.9MB in the beginning and 39.5MB in the end (delta: -2.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-22 11:34:17,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.00ms. Allocated memory is still 69.2MB. Free memory was 39.5MB in the beginning and 37.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 11:34:17,933 INFO L158 Benchmark]: Boogie Preprocessor took 58.61ms. Allocated memory is still 69.2MB. Free memory was 37.7MB in the beginning and 35.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 11:34:17,933 INFO L158 Benchmark]: RCFGBuilder took 412.73ms. Allocated memory is still 69.2MB. Free memory was 35.6MB in the beginning and 42.9MB in the end (delta: -7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-22 11:34:17,934 INFO L158 Benchmark]: TraceAbstraction took 6886.29ms. Allocated memory was 69.2MB in the beginning and 377.5MB in the end (delta: 308.3MB). Free memory was 42.3MB in the beginning and 165.5MB in the end (delta: -123.2MB). Peak memory consumption was 184.3MB. Max. memory is 16.1GB. [2024-11-22 11:34:17,934 INFO L158 Benchmark]: Witness Printer took 111.04ms. Allocated memory is still 377.5MB. Free memory was 165.5MB in the beginning and 161.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 11:34:17,936 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17ms. Allocated memory is still 56.6MB. Free memory is still 31.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.35ms. Allocated memory is still 69.2MB. Free memory was 36.9MB in the beginning and 39.5MB in the end (delta: -2.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.00ms. Allocated memory is still 69.2MB. Free memory was 39.5MB in the beginning and 37.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.61ms. Allocated memory is still 69.2MB. Free memory was 37.7MB in the beginning and 35.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.73ms. Allocated memory is still 69.2MB. Free memory was 35.6MB in the beginning and 42.9MB in the end (delta: -7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6886.29ms. Allocated memory was 69.2MB in the beginning and 377.5MB in the end (delta: 308.3MB). Free memory was 42.3MB in the beginning and 165.5MB in the end (delta: -123.2MB). Peak memory consumption was 184.3MB. Max. memory is 16.1GB. * Witness Printer took 111.04ms. Allocated memory is still 377.5MB. Free memory was 165.5MB in the beginning and 161.3MB 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, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 3, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 425 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 316 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 109 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 18 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 180/180 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: 59]: Loop Invariant Derived loop invariant: 1 - 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))) RESULT: Ultimate proved your program to be correct! [2024-11-22 11:34:17,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE