./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.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 5e1b8b4624d0007ae8a17486b57335d86a5d8147da0a7d85486b0cccda2d27e7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 12:20:40,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 12:20:40,432 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 12:20:40,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 12:20:40,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 12:20:40,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 12:20:40,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 12:20:40,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 12:20:40,467 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 12:20:40,468 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 12:20:40,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 12:20:40,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 12:20:40,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 12:20:40,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 12:20:40,470 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 12:20:40,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 12:20:40,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 12:20:40,472 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 12:20:40,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 12:20:40,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 12:20:40,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 12:20:40,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 12:20:40,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 12:20:40,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 12:20:40,476 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 12:20:40,476 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 12:20:40,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 12:20:40,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 12:20:40,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 12:20:40,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 12:20:40,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 12:20:40,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 12:20:40,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:20:40,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 12:20:40,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 12:20:40,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 12:20:40,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 12:20:40,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 12:20:40,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 12:20:40,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 12:20:40,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 12:20:40,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 12:20:40,479 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e1b8b4624d0007ae8a17486b57335d86a5d8147da0a7d85486b0cccda2d27e7 [2024-11-22 12:20:40,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 12:20:40,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 12:20:40,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 12:20:40,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 12:20:40,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 12:20:40,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i [2024-11-22 12:20:41,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 12:20:42,104 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 12:20:42,104 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i [2024-11-22 12:20:42,115 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33d9e74b/35d8c42c0e0e4932bbb7cefd7a14ce20/FLAG8e7377e77 [2024-11-22 12:20:42,135 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33d9e74b/35d8c42c0e0e4932bbb7cefd7a14ce20 [2024-11-22 12:20:42,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 12:20:42,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 12:20:42,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 12:20:42,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 12:20:42,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 12:20:42,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dfb411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42, skipping insertion in model container [2024-11-22 12:20:42,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,166 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 12:20:42,288 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_variablewrapping_normal_file-25.i[913,926] [2024-11-22 12:20:42,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:20:42,328 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 12:20:42,337 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_variablewrapping_normal_file-25.i[913,926] [2024-11-22 12:20:42,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:20:42,366 INFO L204 MainTranslator]: Completed translation [2024-11-22 12:20:42,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42 WrapperNode [2024-11-22 12:20:42,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 12:20:42,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 12:20:42,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 12:20:42,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 12:20:42,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,405 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-22 12:20:42,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 12:20:42,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 12:20:42,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 12:20:42,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 12:20:42,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,417 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,431 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 12:20:42,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 12:20:42,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 12:20:42,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 12:20:42,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 12:20:42,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42" (1/1) ... [2024-11-22 12:20:42,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:20:42,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:20:42,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 12:20:42,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 12:20:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 12:20:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 12:20:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 12:20:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 12:20:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 12:20:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 12:20:42,589 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 12:20:42,593 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 12:20:42,837 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-22 12:20:42,837 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 12:20:42,851 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 12:20:42,851 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 12:20:42,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:20:42 BoogieIcfgContainer [2024-11-22 12:20:42,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 12:20:42,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 12:20:42,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 12:20:42,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 12:20:42,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:20:42" (1/3) ... [2024-11-22 12:20:42,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683d5290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:20:42, skipping insertion in model container [2024-11-22 12:20:42,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:42" (2/3) ... [2024-11-22 12:20:42,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683d5290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:20:42, skipping insertion in model container [2024-11-22 12:20:42,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:20:42" (3/3) ... [2024-11-22 12:20:42,861 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-25.i [2024-11-22 12:20:42,875 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 12:20:42,875 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 12:20:42,932 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 12:20:42,939 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;@f5f1f75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 12:20:42,939 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 12:20:42,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 12:20:42,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 12:20:42,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:20:42,955 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:20:42,956 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:20:42,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:20:42,962 INFO L85 PathProgramCache]: Analyzing trace with hash -161856466, now seen corresponding path program 1 times [2024-11-22 12:20:42,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:20:42,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110690212] [2024-11-22 12:20:42,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:20:42,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:20:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:20:43,180 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-22 12:20:43,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:20:43,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110690212] [2024-11-22 12:20:43,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110690212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 12:20:43,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370580549] [2024-11-22 12:20:43,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:20:43,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 12:20:43,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:20:43,184 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) [2024-11-22 12:20:43,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 12:20:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:20:43,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 12:20:43,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:20:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-22 12:20:43,365 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 12:20:43,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370580549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:20:43,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 12:20:43,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 12:20:43,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680033563] [2024-11-22 12:20:43,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:20:43,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 12:20:43,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:20:43,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 12:20:43,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 12:20:43,396 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 12:20:43,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:20:43,421 INFO L93 Difference]: Finished difference Result 105 states and 178 transitions. [2024-11-22 12:20:43,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 12:20:43,423 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-11-22 12:20:43,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:20:43,429 INFO L225 Difference]: With dead ends: 105 [2024-11-22 12:20:43,430 INFO L226 Difference]: Without dead ends: 52 [2024-11-22 12:20:43,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 12:20:43,437 INFO L432 NwaCegarLoop]: 76 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, 76 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 [2024-11-22 12:20:43,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 12:20:43,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-22 12:20:43,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-22 12:20:43,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 12:20:43,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2024-11-22 12:20:43,471 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 115 [2024-11-22 12:20:43,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:20:43,472 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2024-11-22 12:20:43,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 12:20:43,472 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-11-22 12:20:43,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 12:20:43,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:20:43,474 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:20:43,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 12:20:43,675 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 [2024-11-22 12:20:43,676 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:20:43,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:20:43,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1763426518, now seen corresponding path program 1 times [2024-11-22 12:20:43,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:20:43,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353527034] [2024-11-22 12:20:43,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:20:43,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:20:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:20:44,492 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-22 12:20:44,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:20:44,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353527034] [2024-11-22 12:20:44,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353527034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 12:20:44,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732684718] [2024-11-22 12:20:44,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:20:44,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 12:20:44,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:20:44,496 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) [2024-11-22 12:20:44,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 12:20:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:20:44,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 12:20:44,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:20:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-22 12:20:44,692 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 12:20:44,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732684718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:20:44,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 12:20:44,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 10 [2024-11-22 12:20:44,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761136547] [2024-11-22 12:20:44,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:20:44,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 12:20:44,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:20:44,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 12:20:44,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-22 12:20:44,695 INFO L87 Difference]: Start difference. First operand 52 states and 76 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 12:20:44,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:20:44,972 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2024-11-22 12:20:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 12:20:44,973 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-11-22 12:20:44,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:20:44,975 INFO L225 Difference]: With dead ends: 111 [2024-11-22 12:20:44,976 INFO L226 Difference]: Without dead ends: 62 [2024-11-22 12:20:44,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-22 12:20:44,978 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 80 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 12:20:44,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 149 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 12:20:44,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-22 12:20:44,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2024-11-22 12:20:44,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 12:20:44,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 81 transitions. [2024-11-22 12:20:44,994 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 81 transitions. Word has length 115 [2024-11-22 12:20:44,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:20:44,995 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 81 transitions. [2024-11-22 12:20:44,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 12:20:44,995 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2024-11-22 12:20:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-22 12:20:44,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:20:44,997 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:20:45,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 12:20:45,197 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 [2024-11-22 12:20:45,198 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:20:45,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:20:45,199 INFO L85 PathProgramCache]: Analyzing trace with hash -223690547, now seen corresponding path program 1 times [2024-11-22 12:20:45,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:20:45,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072166802] [2024-11-22 12:20:45,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:20:45,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:20:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 12:20:45,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 12:20:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 12:20:45,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 12:20:45,365 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 12:20:45,366 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 12:20:45,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 12:20:45,371 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-22 12:20:45,428 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 12:20:45,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:20:45 BoogieIcfgContainer [2024-11-22 12:20:45,436 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 12:20:45,436 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 12:20:45,436 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 12:20:45,436 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 12:20:45,437 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:20:42" (3/4) ... [2024-11-22 12:20:45,439 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 12:20:45,440 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 12:20:45,442 INFO L158 Benchmark]: Toolchain (without parser) took 3301.92ms. Allocated memory was 169.9MB in the beginning and 209.7MB in the end (delta: 39.8MB). Free memory was 141.7MB in the beginning and 135.1MB in the end (delta: 6.7MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-11-22 12:20:45,442 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 12:20:45,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.47ms. Allocated memory is still 169.9MB. Free memory was 141.7MB in the beginning and 127.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 12:20:45,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.18ms. Allocated memory is still 169.9MB. Free memory was 127.0MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 12:20:45,443 INFO L158 Benchmark]: Boogie Preprocessor took 39.42ms. Allocated memory is still 169.9MB. Free memory was 125.0MB in the beginning and 122.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 12:20:45,443 INFO L158 Benchmark]: RCFGBuilder took 405.93ms. Allocated memory is still 169.9MB. Free memory was 122.1MB in the beginning and 105.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 12:20:45,443 INFO L158 Benchmark]: TraceAbstraction took 2581.55ms. Allocated memory was 169.9MB in the beginning and 209.7MB in the end (delta: 39.8MB). Free memory was 104.7MB in the beginning and 136.1MB in the end (delta: -31.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-22 12:20:45,444 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 209.7MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 12:20:45,445 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 123.7MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.47ms. Allocated memory is still 169.9MB. Free memory was 141.7MB in the beginning and 127.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.18ms. Allocated memory is still 169.9MB. Free memory was 127.0MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.42ms. Allocated memory is still 169.9MB. Free memory was 125.0MB in the beginning and 122.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.93ms. Allocated memory is still 169.9MB. Free memory was 122.1MB in the beginning and 105.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2581.55ms. Allocated memory was 169.9MB in the beginning and 209.7MB in the end (delta: 39.8MB). Free memory was 104.7MB in the beginning and 136.1MB in the end (delta: -31.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 209.7MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 256; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 10; [L25] unsigned short int var_1_4 = 500; [L26] unsigned long int var_1_5 = 0; [L27] unsigned long int var_1_6 = 1509114200; [L28] unsigned long int var_1_7 = 10; [L29] float var_1_8 = 128.9; [L30] float var_1_9 = 63.363; [L31] float var_1_10 = 4.575; [L32] float var_1_11 = 25.5; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 0; [L35] unsigned char var_1_14 = 1; VAL [isInitial=0, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L74] var_1_3 = __VERIFIER_nondet_ushort() [L75] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L75] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L76] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L76] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L77] var_1_4 = __VERIFIER_nondet_ushort() [L78] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L78] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L79] CALL assume_abort_if_not(var_1_4 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L79] RET assume_abort_if_not(var_1_4 <= 65535) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L80] var_1_5 = __VERIFIER_nondet_ulong() [L81] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L81] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L82] CALL assume_abort_if_not(var_1_5 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L82] RET assume_abort_if_not(var_1_5 <= 1073741823) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L83] var_1_6 = __VERIFIER_nondet_ulong() [L84] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L84] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L85] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L85] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L86] var_1_7 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_8=1289/10, var_1_9=63363/1000] [L87] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_8=1289/10, var_1_9=63363/1000] [L88] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10, var_1_9=63363/1000] [L88] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10, var_1_9=63363/1000] [L89] var_1_9 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L90] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L91] var_1_10 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L92] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L93] var_1_13 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L94] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L95] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L95] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L96] var_1_14 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L97] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L98] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L98] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L111] RET updateVariables() [L112] CALL step() [L39] COND FALSE !(var_1_9 != var_1_10) [L46] var_1_12 = var_1_14 VAL [isInitial=1, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L48] unsigned short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=65535, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L49] COND TRUE \read(var_1_12) VAL [isInitial=1, stepLocal_0=65535, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L50] COND FALSE !(stepLocal_0 <= var_1_4) VAL [isInitial=1, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L56] unsigned long int stepLocal_1 = var_1_1; VAL [isInitial=1, stepLocal_1=256, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L57] COND TRUE var_1_7 >= stepLocal_1 [L58] var_1_8 = ((((0.5f) < (var_1_9)) ? (0.5f) : (var_1_9))) VAL [isInitial=1, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1/2, var_1_9=1/2] [L62] COND TRUE var_1_10 >= ((((((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) < (var_1_8)) ? (((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) : (var_1_8))) [L63] var_1_11 = var_1_10 VAL [isInitial=1, var_1_10=18446742967755472900, var_1_11=18446742967755472900, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1/2, var_1_9=1/2] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((var_1_12 ? ((var_1_3 <= var_1_4) ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) + (var_1_6 - var_1_7)))) : 1) : (var_1_1 == ((unsigned long int) var_1_7))) && ((var_1_7 >= var_1_1) ? (var_1_8 == ((float) ((((0.5f) < (var_1_9)) ? (0.5f) : (var_1_9))))) : (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))))) && ((var_1_10 >= ((((((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) < (var_1_8)) ? (((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) : (var_1_8)))) ? (var_1_11 == ((float) var_1_10)) : ((! (var_1_7 <= var_1_6)) ? (var_1_11 == ((float) var_1_9)) : 1))) && ((var_1_9 != var_1_10) ? ((var_1_2 || var_1_13) ? (var_1_12 == ((unsigned char) (var_1_13 || var_1_14))) : (var_1_12 == ((unsigned char) var_1_14))) : (var_1_12 == ((unsigned char) var_1_14))) ; VAL [\result=0, isInitial=1, var_1_10=18446742967755472900, var_1_11=18446742967755472900, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1/2, var_1_9=1/2] [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=18446742967755472900, var_1_11=18446742967755472900, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1/2, var_1_9=1/2] [L19] reach_error() VAL [isInitial=1, var_1_10=18446742967755472900, var_1_11=18446742967755472900, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1/2, var_1_9=1/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 225 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 99 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 155 IncrementalHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 126 mSDtfsCounter, 155 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 247 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 576 NumberOfCodeBlocks, 576 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 456 ConstructedInterpolants, 0 QuantifiedInterpolants, 616 SizeOfPredicates, 1 NumberOfNonLiveVariables, 516 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2411/2448 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-22 12:20:45,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.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 5e1b8b4624d0007ae8a17486b57335d86a5d8147da0a7d85486b0cccda2d27e7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 12:20:47,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 12:20:47,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 12:20:47,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 12:20:47,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 12:20:47,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 12:20:47,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 12:20:47,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 12:20:47,322 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 12:20:47,325 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 12:20:47,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 12:20:47,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 12:20:47,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 12:20:47,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 12:20:47,326 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 12:20:47,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 12:20:47,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 12:20:47,327 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 12:20:47,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 12:20:47,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 12:20:47,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 12:20:47,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 12:20:47,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 12:20:47,329 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 12:20:47,330 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 12:20:47,330 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 12:20:47,330 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 12:20:47,330 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 12:20:47,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 12:20:47,331 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 12:20:47,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 12:20:47,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 12:20:47,332 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 12:20:47,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 12:20:47,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:20:47,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 12:20:47,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 12:20:47,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 12:20:47,333 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 12:20:47,333 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 12:20:47,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 12:20:47,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 12:20:47,334 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 12:20:47,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 12:20:47,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e1b8b4624d0007ae8a17486b57335d86a5d8147da0a7d85486b0cccda2d27e7 [2024-11-22 12:20:47,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 12:20:47,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 12:20:47,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 12:20:47,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 12:20:47,608 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 12:20:47,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i [2024-11-22 12:20:48,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 12:20:49,035 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 12:20:49,036 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i [2024-11-22 12:20:49,043 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/539e80a75/6fed0fb30e9846959343af40345ad80b/FLAGb928aae84 [2024-11-22 12:20:49,053 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/539e80a75/6fed0fb30e9846959343af40345ad80b [2024-11-22 12:20:49,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 12:20:49,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 12:20:49,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 12:20:49,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 12:20:49,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 12:20:49,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c3373a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49, skipping insertion in model container [2024-11-22 12:20:49,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,097 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 12:20:49,232 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_variablewrapping_normal_file-25.i[913,926] [2024-11-22 12:20:49,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:20:49,288 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 12:20:49,299 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_variablewrapping_normal_file-25.i[913,926] [2024-11-22 12:20:49,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:20:49,341 INFO L204 MainTranslator]: Completed translation [2024-11-22 12:20:49,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49 WrapperNode [2024-11-22 12:20:49,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 12:20:49,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 12:20:49,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 12:20:49,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 12:20:49,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,390 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-22 12:20:49,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 12:20:49,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 12:20:49,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 12:20:49,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 12:20:49,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,408 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,422 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 12:20:49,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 12:20:49,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 12:20:49,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 12:20:49,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 12:20:49,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49" (1/1) ... [2024-11-22 12:20:49,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:20:49,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:20:49,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 12:20:49,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 12:20:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 12:20:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 12:20:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 12:20:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 12:20:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 12:20:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 12:20:49,607 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 12:20:49,610 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 12:20:49,820 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-22 12:20:49,820 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 12:20:49,829 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 12:20:49,830 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 12:20:49,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:20:49 BoogieIcfgContainer [2024-11-22 12:20:49,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 12:20:49,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 12:20:49,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 12:20:49,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 12:20:49,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:20:49" (1/3) ... [2024-11-22 12:20:49,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3572a3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:20:49, skipping insertion in model container [2024-11-22 12:20:49,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:20:49" (2/3) ... [2024-11-22 12:20:49,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3572a3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:20:49, skipping insertion in model container [2024-11-22 12:20:49,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:20:49" (3/3) ... [2024-11-22 12:20:49,836 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-25.i [2024-11-22 12:20:49,849 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 12:20:49,849 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 12:20:49,909 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 12:20:49,914 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;@7acd50ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 12:20:49,915 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 12:20:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 12:20:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 12:20:49,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:20:49,927 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:20:49,927 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:20:49,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:20:49,931 INFO L85 PathProgramCache]: Analyzing trace with hash -161856466, now seen corresponding path program 1 times [2024-11-22 12:20:49,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 12:20:49,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915869454] [2024-11-22 12:20:49,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:20:49,942 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 12:20:49,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 12:20:49,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 12:20:49,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-22 12:20:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:20:50,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 12:20:50,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:20:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-22 12:20:50,214 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 12:20:50,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 12:20:50,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915869454] [2024-11-22 12:20:50,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915869454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:20:50,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:20:50,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 12:20:50,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887661552] [2024-11-22 12:20:50,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:20:50,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 12:20:50,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 12:20:50,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 12:20:50,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 12:20:50,245 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 12:20:50,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:20:50,267 INFO L93 Difference]: Finished difference Result 105 states and 178 transitions. [2024-11-22 12:20:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 12:20:50,269 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-11-22 12:20:50,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:20:50,275 INFO L225 Difference]: With dead ends: 105 [2024-11-22 12:20:50,275 INFO L226 Difference]: Without dead ends: 52 [2024-11-22 12:20:50,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 12:20:50,281 INFO L432 NwaCegarLoop]: 76 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, 76 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 [2024-11-22 12:20:50,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 12:20:50,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-22 12:20:50,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-22 12:20:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 12:20:50,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2024-11-22 12:20:50,312 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 115 [2024-11-22 12:20:50,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:20:50,312 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2024-11-22 12:20:50,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 12:20:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-11-22 12:20:50,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 12:20:50,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:20:50,315 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:20:50,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-22 12:20:50,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 12:20:50,516 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:20:50,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:20:50,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1763426518, now seen corresponding path program 1 times [2024-11-22 12:20:50,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 12:20:50,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482040644] [2024-11-22 12:20:50,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:20:50,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 12:20:50,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 12:20:50,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 12:20:50,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-22 12:20:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:20:50,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 12:20:50,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:20:50,843 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-22 12:20:50,843 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 12:20:50,843 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 12:20:50,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [482040644] [2024-11-22 12:20:50,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [482040644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:20:50,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:20:50,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 12:20:50,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931079351] [2024-11-22 12:20:50,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:20:50,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 12:20:50,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 12:20:50,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 12:20:50,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-22 12:20:50,846 INFO L87 Difference]: Start difference. First operand 52 states and 76 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 12:20:51,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:20:51,230 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2024-11-22 12:20:51,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 12:20:51,231 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-11-22 12:20:51,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:20:51,232 INFO L225 Difference]: With dead ends: 111 [2024-11-22 12:20:51,232 INFO L226 Difference]: Without dead ends: 62 [2024-11-22 12:20:51,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-11-22 12:20:51,234 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 113 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 12:20:51,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 147 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 12:20:51,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-22 12:20:51,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2024-11-22 12:20:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 12:20:51,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 81 transitions. [2024-11-22 12:20:51,244 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 81 transitions. Word has length 115 [2024-11-22 12:20:51,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:20:51,245 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 81 transitions. [2024-11-22 12:20:51,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 12:20:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2024-11-22 12:20:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-22 12:20:51,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:20:51,246 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:20:51,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-22 12:20:51,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 12:20:51,451 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:20:51,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:20:51,452 INFO L85 PathProgramCache]: Analyzing trace with hash -223690547, now seen corresponding path program 1 times [2024-11-22 12:20:51,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 12:20:51,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306580249] [2024-11-22 12:20:51,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:20:51,453 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 12:20:51,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 12:20:51,456 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 12:20:51,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-22 12:20:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:20:51,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-22 12:20:51,598 INFO L278 TraceCheckSpWp]: Computing forward predicates...