./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.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 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:55:01,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:55:01,582 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 23:55:01,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:55:01,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:55:01,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:55:01,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:55:01,610 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:55:01,610 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:55:01,611 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:55:01,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:55:01,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:55:01,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:55:01,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:55:01,615 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:55:01,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:55:01,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:55:01,616 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:55:01,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 23:55:01,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:55:01,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:55:01,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:55:01,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:55:01,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:55:01,617 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:55:01,618 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:55:01,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:55:01,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:55:01,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:55:01,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:55:01,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:55:01,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:55:01,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:55:01,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:55:01,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:55:01,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:55:01,619 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 23:55:01,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 23:55:01,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:55:01,620 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:55:01,620 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:55:01,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:55:01,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 [2024-11-18 23:55:01,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:55:01,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:55:01,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:55:01,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:55:01,832 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:55:01,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2024-11-18 23:55:03,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:55:03,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:55:03,208 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2024-11-18 23:55:03,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd417248/8739e41528784968a6d027a317270e34/FLAG84eb83b83 [2024-11-18 23:55:03,224 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd417248/8739e41528784968a6d027a317270e34 [2024-11-18 23:55:03,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:55:03,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:55:03,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:55:03,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:55:03,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:55:03,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba29376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03, skipping insertion in model container [2024-11-18 23:55:03,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,251 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:55:03,374 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_amount25_file-53.i[915,928] [2024-11-18 23:55:03,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:55:03,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:55:03,418 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_amount25_file-53.i[915,928] [2024-11-18 23:55:03,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:55:03,444 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:55:03,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03 WrapperNode [2024-11-18 23:55:03,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:55:03,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:55:03,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:55:03,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:55:03,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,476 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2024-11-18 23:55:03,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:55:03,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:55:03,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:55:03,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:55:03,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,487 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,496 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]. [2024-11-18 23:55:03,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:55:03,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:55:03,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:55:03,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:55:03,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03" (1/1) ... [2024-11-18 23:55:03,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:55:03,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:55:03,532 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) [2024-11-18 23:55:03,534 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 [2024-11-18 23:55:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:55:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:55:03,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:55:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 23:55:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:55:03,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:55:03,647 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:55:03,651 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:55:03,844 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-18 23:55:03,844 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:55:03,857 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:55:03,857 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:55:03,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:03 BoogieIcfgContainer [2024-11-18 23:55:03,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:55:03,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:55:03,861 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:55:03,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:55:03,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:55:03" (1/3) ... [2024-11-18 23:55:03,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433014e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:55:03, skipping insertion in model container [2024-11-18 23:55:03,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:03" (2/3) ... [2024-11-18 23:55:03,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433014e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:55:03, skipping insertion in model container [2024-11-18 23:55:03,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:03" (3/3) ... [2024-11-18 23:55:03,865 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-53.i [2024-11-18 23:55:03,879 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:55:03,879 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:55:03,934 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:55:03,939 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;@5f42d599, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:55:03,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:55:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-18 23:55:03,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-18 23:55:03,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:55:03,954 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:55:03,954 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:55:03,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:55:03,959 INFO L85 PathProgramCache]: Analyzing trace with hash 429983085, now seen corresponding path program 1 times [2024-11-18 23:55:03,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:55:03,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217090183] [2024-11-18 23:55:03,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:55:03,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:55:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:55:04,183 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-18 23:55:04,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:55:04,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217090183] [2024-11-18 23:55:04,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217090183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:55:04,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417976878] [2024-11-18 23:55:04,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:55:04,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:55:04,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:55:04,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:55:04,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 23:55:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:55:04,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:55:04,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:55:04,355 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-18 23:55:04,355 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:55:04,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417976878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:55:04,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 23:55:04,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 23:55:04,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64216604] [2024-11-18 23:55:04,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:55:04,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:55:04,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:55:04,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:55:04,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:55:04,384 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-18 23:55:04,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:55:04,400 INFO L93 Difference]: Finished difference Result 93 states and 154 transitions. [2024-11-18 23:55:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:55:04,401 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-18 23:55:04,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:55:04,406 INFO L225 Difference]: With dead ends: 93 [2024-11-18 23:55:04,406 INFO L226 Difference]: Without dead ends: 46 [2024-11-18 23:55:04,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:55:04,410 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:55:04,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:55:04,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-18 23:55:04,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-18 23:55:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-18 23:55:04,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2024-11-18 23:55:04,447 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 102 [2024-11-18 23:55:04,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:55:04,448 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2024-11-18 23:55:04,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-18 23:55:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-18 23:55:04,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-18 23:55:04,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:55:04,452 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:55:04,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 23:55:04,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 23:55:04,654 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:55:04,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:55:04,654 INFO L85 PathProgramCache]: Analyzing trace with hash -620017035, now seen corresponding path program 1 times [2024-11-18 23:55:04,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:55:04,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879882979] [2024-11-18 23:55:04,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:55:04,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:55:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:55:06,517 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 21 proven. 159 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-18 23:55:06,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:55:06,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879882979] [2024-11-18 23:55:06,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879882979] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:55:06,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958432727] [2024-11-18 23:55:06,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:55:06,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:55:06,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:55:06,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:55:06,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 23:55:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:55:06,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-18 23:55:06,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:55:08,167 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 184 proven. 174 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-18 23:55:08,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 23:55:10,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958432727] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:55:10,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-18 23:55:10,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 20] total 27 [2024-11-18 23:55:10,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032169542] [2024-11-18 23:55:10,894 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-18 23:55:10,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-18 23:55:10,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:55:10,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-18 23:55:10,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=983, Unknown=0, NotChecked=0, Total=1190 [2024-11-18 23:55:10,897 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 27 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 10 states have call successors, (30), 6 states have call predecessors, (30), 8 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-18 23:55:16,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:55:16,223 INFO L93 Difference]: Finished difference Result 142 states and 178 transitions. [2024-11-18 23:55:16,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-18 23:55:16,224 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 10 states have call successors, (30), 6 states have call predecessors, (30), 8 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) Word has length 102 [2024-11-18 23:55:16,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:55:16,225 INFO L225 Difference]: With dead ends: 142 [2024-11-18 23:55:16,225 INFO L226 Difference]: Without dead ends: 99 [2024-11-18 23:55:16,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=515, Invalid=2035, Unknown=0, NotChecked=0, Total=2550 [2024-11-18 23:55:16,227 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 171 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 23:55:16,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 488 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 23:55:16,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-18 23:55:16,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 72. [2024-11-18 23:55:16,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 48 states have internal predecessors, (53), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-18 23:55:16,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 85 transitions. [2024-11-18 23:55:16,243 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 85 transitions. Word has length 102 [2024-11-18 23:55:16,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:55:16,245 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 85 transitions. [2024-11-18 23:55:16,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 10 states have call successors, (30), 6 states have call predecessors, (30), 8 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-18 23:55:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2024-11-18 23:55:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-18 23:55:16,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:55:16,248 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:55:16,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-18 23:55:16,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-18 23:55:16,449 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:55:16,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:55:16,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1154990327, now seen corresponding path program 1 times [2024-11-18 23:55:16,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:55:16,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699339824] [2024-11-18 23:55:16,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:55:16,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:55:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:55:16,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 23:55:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:55:16,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 23:55:16,590 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 23:55:16,590 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 23:55:16,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 23:55:16,595 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-18 23:55:16,649 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 23:55:16,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:55:16 BoogieIcfgContainer [2024-11-18 23:55:16,654 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 23:55:16,654 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 23:55:16,655 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 23:55:16,655 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 23:55:16,655 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:03" (3/4) ... [2024-11-18 23:55:16,657 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 23:55:16,658 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 23:55:16,659 INFO L158 Benchmark]: Toolchain (without parser) took 13431.70ms. Allocated memory was 151.0MB in the beginning and 337.6MB in the end (delta: 186.6MB). Free memory was 95.8MB in the beginning and 251.2MB in the end (delta: -155.4MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-11-18 23:55:16,659 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:55:16,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.94ms. Allocated memory is still 151.0MB. Free memory was 95.8MB in the beginning and 81.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 23:55:16,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.60ms. Allocated memory is still 151.0MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:55:16,661 INFO L158 Benchmark]: Boogie Preprocessor took 28.07ms. Allocated memory is still 151.0MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:55:16,661 INFO L158 Benchmark]: RCFGBuilder took 352.14ms. Allocated memory is still 151.0MB. Free memory was 76.9MB in the beginning and 61.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 23:55:16,661 INFO L158 Benchmark]: TraceAbstraction took 12793.51ms. Allocated memory was 151.0MB in the beginning and 337.6MB in the end (delta: 186.6MB). Free memory was 61.3MB in the beginning and 251.2MB in the end (delta: -189.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:55:16,662 INFO L158 Benchmark]: Witness Printer took 3.69ms. Allocated memory is still 337.6MB. Free memory is still 251.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:55:16,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.94ms. Allocated memory is still 151.0MB. Free memory was 95.8MB in the beginning and 81.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.60ms. Allocated memory is still 151.0MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.07ms. Allocated memory is still 151.0MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.14ms. Allocated memory is still 151.0MB. Free memory was 76.9MB in the beginning and 61.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12793.51ms. Allocated memory was 151.0MB in the beginning and 337.6MB in the end (delta: 186.6MB). Free memory was 61.3MB in the beginning and 251.2MB in the end (delta: -189.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.69ms. Allocated memory is still 337.6MB. Free memory is still 251.2MB. 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 someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_2 = 500; [L24] unsigned long int var_1_3 = 1456677701; [L25] unsigned long int var_1_4 = 1000000000; [L26] unsigned long int var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_11 = 0; [L31] float var_1_12 = 128.6; [L32] float var_1_13 = 500.4; [L33] float var_1_14 = 8.5; [L34] double var_1_15 = 255.8; [L35] double var_1_16 = 25.75; [L36] float var_1_17 = 1.2; [L37] float var_1_18 = 9.6; VAL [isInitial=0, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=500, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L62] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L62] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L63] var_1_3 = __VERIFIER_nondet_ulong() [L64] CALL assume_abort_if_not(var_1_3 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L64] RET assume_abort_if_not(var_1_3 >= 1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L65] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L65] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L66] var_1_4 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_4 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L67] RET assume_abort_if_not(var_1_4 >= 536870911) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L68] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L68] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0] [L69] var_1_5 = __VERIFIER_nondet_ulong() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L71] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L71] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L72] var_1_7 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_8=0] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_8=0] [L74] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L74] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_11=0, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L75] var_1_11 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L76] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L77] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L77] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_13=2502/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L78] var_1_13 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L79] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_14=17/2, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L80] var_1_14 = __VERIFIER_nondet_float() [L81] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L81] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_16=103/4, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L82] var_1_16 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L83] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_18=48/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L84] var_1_18 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L85] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-255, var_1_12=643/5, var_1_15=1279/5, var_1_17=6/5, var_1_1=5, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L98] RET updateVariables() [L99] CALL step() [L41] var_1_1 = (var_1_2 + (var_1_3 - (var_1_4 - var_1_5))) [L42] var_1_6 = var_1_7 [L43] var_1_12 = ((2.55f + var_1_13) - var_1_14) [L44] var_1_15 = ((((var_1_13) > (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))) ? (var_1_13) : (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))))) VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L45] COND FALSE !(var_1_2 >= var_1_1) VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L48] unsigned long int stepLocal_0 = (((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)); VAL [isInitial=1, stepLocal_0=4831838207, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=0] [L49] COND FALSE !(((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))) != stepLocal_0) [L56] var_1_8 = var_1_11 VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=-255] [L99] RET step() [L100] CALL, EXPR property() [L90-L91] return (((((var_1_1 == ((unsigned long int) (var_1_2 + (var_1_3 - (var_1_4 - var_1_5))))) && (var_1_6 == ((unsigned char) var_1_7))) && ((((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))) != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) ? ((var_1_17 == var_1_12) ? (var_1_6 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1) : (var_1_8 == ((unsigned char) var_1_11)))) && (var_1_12 == ((float) ((2.55f + var_1_13) - var_1_14)))) && (var_1_15 == ((double) ((((var_1_13) > (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))) ? (var_1_13) : (((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16))))))))) && ((var_1_2 >= var_1_1) ? (var_1_17 == ((float) (var_1_14 - ((((var_1_13) > (var_1_18)) ? (var_1_13) : (var_1_18)))))) : 1) ; VAL [\result=0, isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=-255] [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=-255] [L19] reach_error() VAL [isInitial=1, var_1_11=-255, var_1_13=4831838212, var_1_14=4831838212, var_1_15=4831838212, var_1_16=4831838212, var_1_17=6/5, var_1_1=4294967294, var_1_2=2147483647, var_1_3=2147483647, var_1_4=4831838207, var_1_5=4831838207, var_1_6=0, var_1_7=0, var_1_8=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.7s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 171 mSDsluCounter, 553 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 425 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 713 IncrementalHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 128 mSDtfsCounter, 713 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 319 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=2, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 3780 SizeOfPredicates, 5 NumberOfNonLiveVariables, 478 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 1557/1920 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 [2024-11-18 23:55:16,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.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 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:55:18,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:55:18,559 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 23:55:18,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:55:18,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:55:18,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:55:18,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:55:18,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:55:18,592 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:55:18,593 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:55:18,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:55:18,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:55:18,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:55:18,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:55:18,594 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:55:18,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:55:18,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:55:18,594 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:55:18,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:55:18,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:55:18,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:55:18,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:55:18,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:55:18,598 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 23:55:18,599 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 23:55:18,599 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:55:18,599 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 23:55:18,599 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:55:18,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:55:18,599 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:55:18,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:55:18,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:55:18,600 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:55:18,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:55:18,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:55:18,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:55:18,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:55:18,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:55:18,600 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 23:55:18,600 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 23:55:18,601 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:55:18,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:55:18,602 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:55:18,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:55:18,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddb7215ca3e5e9ca1b1e870ca103f03a36cdc53c61a6db7279d389f4fde4871 [2024-11-18 23:55:18,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:55:18,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:55:18,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:55:18,837 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:55:18,838 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:55:18,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2024-11-18 23:55:20,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:55:20,241 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:55:20,242 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-53.i [2024-11-18 23:55:20,250 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19399ded1/5cb137aa157f4d769e92c5278089bf4c/FLAG44caa4752 [2024-11-18 23:55:20,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19399ded1/5cb137aa157f4d769e92c5278089bf4c [2024-11-18 23:55:20,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:55:20,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:55:20,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:55:20,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:55:20,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:55:20,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1c9e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20, skipping insertion in model container [2024-11-18 23:55:20,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,292 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:55:20,450 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_amount25_file-53.i[915,928] [2024-11-18 23:55:20,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:55:20,508 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:55:20,517 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_amount25_file-53.i[915,928] [2024-11-18 23:55:20,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:55:20,558 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:55:20,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20 WrapperNode [2024-11-18 23:55:20,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:55:20,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:55:20,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:55:20,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:55:20,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,604 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2024-11-18 23:55:20,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:55:20,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:55:20,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:55:20,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:55:20,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,620 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,634 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]. [2024-11-18 23:55:20,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:55:20,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:55:20,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:55:20,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:55:20,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20" (1/1) ... [2024-11-18 23:55:20,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:55:20,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:55:20,689 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) [2024-11-18 23:55:20,692 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 [2024-11-18 23:55:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:55:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 23:55:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:55:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:55:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:55:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:55:20,814 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:55:20,818 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:55:23,073 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-18 23:55:23,073 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:55:23,082 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:55:23,082 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:55:23,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:23 BoogieIcfgContainer [2024-11-18 23:55:23,082 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:55:23,084 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:55:23,084 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:55:23,086 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:55:23,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:55:20" (1/3) ... [2024-11-18 23:55:23,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dde89b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:55:23, skipping insertion in model container [2024-11-18 23:55:23,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:20" (2/3) ... [2024-11-18 23:55:23,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dde89b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:55:23, skipping insertion in model container [2024-11-18 23:55:23,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:23" (3/3) ... [2024-11-18 23:55:23,089 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-53.i [2024-11-18 23:55:23,100 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:55:23,101 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:55:23,155 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:55:23,161 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;@b92402b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:55:23,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:55:23,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-18 23:55:23,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-18 23:55:23,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:55:23,175 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:55:23,175 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:55:23,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:55:23,180 INFO L85 PathProgramCache]: Analyzing trace with hash 429983085, now seen corresponding path program 1 times [2024-11-18 23:55:23,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:55:23,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591547765] [2024-11-18 23:55:23,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:55:23,191 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 [2024-11-18 23:55:23,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:55:23,194 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) [2024-11-18 23:55:23,195 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 [2024-11-18 23:55:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:55:23,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:55:23,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:55:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-18 23:55:23,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:55:23,530 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:55:23,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591547765] [2024-11-18 23:55:23,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1591547765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:55:23,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:55:23,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 23:55:23,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438831161] [2024-11-18 23:55:23,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:55:23,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:55:23,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:55:23,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:55:23,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:55:23,554 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-18 23:55:23,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:55:23,574 INFO L93 Difference]: Finished difference Result 93 states and 154 transitions. [2024-11-18 23:55:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:55:23,576 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-18 23:55:23,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:55:23,581 INFO L225 Difference]: With dead ends: 93 [2024-11-18 23:55:23,581 INFO L226 Difference]: Without dead ends: 46 [2024-11-18 23:55:23,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:55:23,587 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:55:23,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:55:23,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-18 23:55:23,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-18 23:55:23,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-18 23:55:23,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2024-11-18 23:55:23,620 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 102 [2024-11-18 23:55:23,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:55:23,620 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2024-11-18 23:55:23,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-18 23:55:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-18 23:55:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-18 23:55:23,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:55:23,622 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:55:23,633 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 (2)] Forceful destruction successful, exit code 0 [2024-11-18 23:55:23,826 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 [2024-11-18 23:55:23,827 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:55:23,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:55:23,828 INFO L85 PathProgramCache]: Analyzing trace with hash -620017035, now seen corresponding path program 1 times [2024-11-18 23:55:23,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:55:23,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [676794885] [2024-11-18 23:55:23,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:55:23,829 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 [2024-11-18 23:55:23,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:55:23,831 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) [2024-11-18 23:55:23,832 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 [2024-11-18 23:55:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:55:24,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-18 23:55:24,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:55:54,722 WARN L286 SmtUtils]: Spent 8.64s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)