./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-75.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_loopvsstraightlinecode_25-while_file-75.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 78cb2a64d376bc24725ded4a0eb9b996b458809ee92f4059e872faf6b1604d1d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 10:55:14,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 10:55:14,457 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 10:55:14,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 10:55:14,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 10:55:14,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 10:55:14,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 10:55:14,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 10:55:14,493 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 10:55:14,494 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 10:55:14,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 10:55:14,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 10:55:14,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 10:55:14,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 10:55:14,506 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 10:55:14,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 10:55:14,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 10:55:14,507 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 10:55:14,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 10:55:14,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 10:55:14,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 10:55:14,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 10:55:14,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 10:55:14,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 10:55:14,511 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 10:55:14,511 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 10:55:14,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 10:55:14,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 10:55:14,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 10:55:14,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 10:55:14,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 10:55:14,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 10:55:14,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 10:55:14,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 10:55:14,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 10:55:14,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 10:55:14,515 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 10:55:14,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 10:55:14,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 10:55:14,515 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 10:55:14,516 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 10:55:14,516 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 10:55:14,516 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78cb2a64d376bc24725ded4a0eb9b996b458809ee92f4059e872faf6b1604d1d [2024-11-22 10:55:14,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 10:55:14,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 10:55:14,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 10:55:14,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 10:55:14,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 10:55:14,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-75.i [2024-11-22 10:55:16,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 10:55:16,242 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 10:55:16,244 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-75.i [2024-11-22 10:55:16,253 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04599b815/e40e0e34a76d4dafb7ada4b684c727cd/FLAGf2b3b2f94 [2024-11-22 10:55:16,265 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04599b815/e40e0e34a76d4dafb7ada4b684c727cd [2024-11-22 10:55:16,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 10:55:16,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 10:55:16,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 10:55:16,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 10:55:16,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 10:55:16,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4443ccc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16, skipping insertion in model container [2024-11-22 10:55:16,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 10:55:16,430 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_loopvsstraightlinecode_25-while_file-75.i[915,928] [2024-11-22 10:55:16,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 10:55:16,473 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 10:55:16,484 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_loopvsstraightlinecode_25-while_file-75.i[915,928] [2024-11-22 10:55:16,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 10:55:16,519 INFO L204 MainTranslator]: Completed translation [2024-11-22 10:55:16,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16 WrapperNode [2024-11-22 10:55:16,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 10:55:16,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 10:55:16,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 10:55:16,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 10:55:16,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,559 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-11-22 10:55:16,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 10:55:16,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 10:55:16,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 10:55:16,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 10:55:16,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,578 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,591 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 10:55:16,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 10:55:16,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 10:55:16,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 10:55:16,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 10:55:16,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16" (1/1) ... [2024-11-22 10:55:16,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 10:55:16,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 10:55:16,644 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 10:55:16,647 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 10:55:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 10:55:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 10:55:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 10:55:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 10:55:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 10:55:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 10:55:16,748 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 10:55:16,749 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 10:55:17,032 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-22 10:55:17,033 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 10:55:17,050 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 10:55:17,050 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 10:55:17,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:55:17 BoogieIcfgContainer [2024-11-22 10:55:17,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 10:55:17,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 10:55:17,054 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 10:55:17,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 10:55:17,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:55:16" (1/3) ... [2024-11-22 10:55:17,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74174baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:55:17, skipping insertion in model container [2024-11-22 10:55:17,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:16" (2/3) ... [2024-11-22 10:55:17,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74174baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:55:17, skipping insertion in model container [2024-11-22 10:55:17,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:55:17" (3/3) ... [2024-11-22 10:55:17,060 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-75.i [2024-11-22 10:55:17,073 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 10:55:17,073 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 10:55:17,126 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 10:55:17,130 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;@5d3d09ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 10:55:17,131 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 10:55:17,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 30 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 10:55:17,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 10:55:17,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 10:55:17,141 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:17,142 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 10:55:17,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 10:55:17,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1088366336, now seen corresponding path program 1 times [2024-11-22 10:55:17,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 10:55:17,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220883038] [2024-11-22 10:55:17,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:55:17,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 10:55:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 10:55:17,421 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-22 10:55:17,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 10:55:17,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220883038] [2024-11-22 10:55:17,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220883038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 10:55:17,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443324339] [2024-11-22 10:55:17,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:55:17,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 10:55:17,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 10:55:17,446 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 10:55:17,447 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 10:55:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 10:55:17,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 10:55:17,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 10:55:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-22 10:55:17,599 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 10:55:17,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443324339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 10:55:17,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 10:55:17,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 10:55:17,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616891135] [2024-11-22 10:55:17,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 10:55:17,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 10:55:17,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 10:55:17,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 10:55:17,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 10:55:17,624 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 30 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-22 10:55:17,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 10:55:17,643 INFO L93 Difference]: Finished difference Result 85 states and 138 transitions. [2024-11-22 10:55:17,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 10:55:17,645 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2024-11-22 10:55:17,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 10:55:17,650 INFO L225 Difference]: With dead ends: 85 [2024-11-22 10:55:17,650 INFO L226 Difference]: Without dead ends: 42 [2024-11-22 10:55:17,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 93 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 10:55:17,654 INFO L432 NwaCegarLoop]: 58 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, 58 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 10:55:17,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 10:55:17,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-22 10:55:17,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-22 10:55:17,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 10:55:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2024-11-22 10:55:17,681 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 92 [2024-11-22 10:55:17,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 10:55:17,681 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2024-11-22 10:55:17,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-22 10:55:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2024-11-22 10:55:17,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 10:55:17,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 10:55:17,684 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:17,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 10:55:17,885 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 10:55:17,885 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 10:55:17,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 10:55:17,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1600446904, now seen corresponding path program 1 times [2024-11-22 10:55:17,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 10:55:17,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26241898] [2024-11-22 10:55:17,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:55:17,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 10:55:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 10:55:18,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [188846664] [2024-11-22 10:55:18,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:55:18,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 10:55:18,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 10:55:18,015 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 10:55:18,016 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 10:55:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 10:55:18,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 10:55:18,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 10:55:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-22 10:55:18,282 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 10:55:18,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 10:55:18,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26241898] [2024-11-22 10:55:18,283 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 10:55:18,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188846664] [2024-11-22 10:55:18,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188846664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 10:55:18,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 10:55:18,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 10:55:18,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125269241] [2024-11-22 10:55:18,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 10:55:18,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 10:55:18,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 10:55:18,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 10:55:18,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 10:55:18,286 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-22 10:55:18,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 10:55:18,397 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2024-11-22 10:55:18,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 10:55:18,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92 [2024-11-22 10:55:18,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 10:55:18,399 INFO L225 Difference]: With dead ends: 121 [2024-11-22 10:55:18,399 INFO L226 Difference]: Without dead ends: 82 [2024-11-22 10:55:18,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 10:55:18,401 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 30 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 10:55:18,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 179 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 10:55:18,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-22 10:55:18,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72. [2024-11-22 10:55:18,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 41 states have internal predecessors, (45), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-22 10:55:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2024-11-22 10:55:18,416 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 92 [2024-11-22 10:55:18,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 10:55:18,416 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2024-11-22 10:55:18,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-22 10:55:18,417 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2024-11-22 10:55:18,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 10:55:18,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 10:55:18,422 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:18,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 10:55:18,623 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 10:55:18,624 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 10:55:18,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 10:55:18,624 INFO L85 PathProgramCache]: Analyzing trace with hash 791100278, now seen corresponding path program 1 times [2024-11-22 10:55:18,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 10:55:18,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749976385] [2024-11-22 10:55:18,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:55:18,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 10:55:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 10:55:18,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534553731] [2024-11-22 10:55:18,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:55:18,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 10:55:18,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 10:55:18,739 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 10:55:18,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 10:55:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 10:55:18,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 10:55:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 10:55:18,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 10:55:18,908 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 10:55:18,908 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 10:55:18,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 10:55:19,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 10:55:19,118 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-22 10:55:19,169 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 10:55:19,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:55:19 BoogieIcfgContainer [2024-11-22 10:55:19,175 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 10:55:19,176 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 10:55:19,176 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 10:55:19,176 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 10:55:19,176 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:55:17" (3/4) ... [2024-11-22 10:55:19,178 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 10:55:19,179 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 10:55:19,180 INFO L158 Benchmark]: Toolchain (without parser) took 2911.67ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 136.9MB in the beginning and 153.6MB in the end (delta: -16.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-22 10:55:19,180 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 10:55:19,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.82ms. Allocated memory is still 167.8MB. Free memory was 136.7MB in the beginning and 125.2MB in the end (delta: 11.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-22 10:55:19,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.80ms. Allocated memory is still 167.8MB. Free memory was 125.2MB in the beginning and 121.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 10:55:19,181 INFO L158 Benchmark]: Boogie Preprocessor took 40.17ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 116.1MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 10:55:19,182 INFO L158 Benchmark]: RCFGBuilder took 444.63ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 97.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 10:55:19,182 INFO L158 Benchmark]: TraceAbstraction took 2121.26ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 97.2MB in the beginning and 153.6MB in the end (delta: -56.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 10:55:19,182 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 203.4MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 10:55:19,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.82ms. Allocated memory is still 167.8MB. Free memory was 136.7MB in the beginning and 125.2MB in the end (delta: 11.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.80ms. Allocated memory is still 167.8MB. Free memory was 125.2MB in the beginning and 121.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.17ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 116.1MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 444.63ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 97.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2121.26ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 97.2MB in the beginning and 153.6MB in the end (delta: -56.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 203.4MB. Free memory is still 153.6MB. 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 85, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryArithmeticFLOAToperation at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] unsigned char var_1_7 = 128; [L24] unsigned char var_1_8 = 64; [L25] unsigned char var_1_9 = 100; [L26] unsigned char var_1_10 = 1; [L27] float var_1_11 = -0.6; [L28] unsigned char var_1_12 = 1; [L29] double var_1_13 = 999999999999999.2; [L30] float var_1_14 = 50.25; [L31] float var_1_15 = 15.5; [L32] float var_1_16 = 128.5; [L33] unsigned char var_1_17 = 0; [L34] unsigned char last_1_var_1_17 = 0; VAL [isInitial=0, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=128, var_1_8=64, var_1_9=100] [L89] isInitial = 1 [L90] FCALL initially() [L91] COND TRUE 1 [L92] CALL updateLastVariables() [L82] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=128, var_1_8=64, var_1_9=100] [L92] RET updateLastVariables() [L93] CALL updateVariables() [L57] var_1_7 = __VERIFIER_nondet_uchar() [L58] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=64, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=64, var_1_9=100] [L58] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=64, var_1_9=100] [L59] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=64, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=64, var_1_9=100] [L59] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=64, var_1_9=100] [L60] var_1_8 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_8 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=100] [L61] RET assume_abort_if_not(var_1_8 >= 63) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=100] [L62] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=100] [L62] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=100] [L63] var_1_9 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_9 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L64] RET assume_abort_if_not(var_1_9 >= 63) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L65] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L65] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=1, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L66] var_1_10 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L67] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_17=0, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L68] CALL assume_abort_if_not(var_1_10 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L68] RET assume_abort_if_not(var_1_10 <= 63) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=1, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L69] var_1_12 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L70] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L71] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L71] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_13=4999999999999996/5, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L72] var_1_13 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L73] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_14=201/4, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L74] var_1_14 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L75] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_15=31/2, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L76] var_1_15 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L77] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_16=257/2, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L78] var_1_16 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L79] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L93] RET updateVariables() [L94] CALL step() [L38] signed long int stepLocal_0 = (last_1_var_1_17 * last_1_var_1_17) * last_1_var_1_17; VAL [isInitial=1, last_1_var_1_17=0, stepLocal_0=0, var_1_10=63, var_1_12=0, var_1_17=0, var_1_1=32, var_1_7=-129, var_1_8=-193, var_1_9=63] [L39] COND FALSE !(stepLocal_0 < ((((last_1_var_1_17) > (last_1_var_1_17)) ? (last_1_var_1_17) : (last_1_var_1_17)))) [L42] var_1_1 = var_1_8 VAL [isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_17=0, var_1_1=-193, var_1_7=-129, var_1_8=-193, var_1_9=63] [L44] unsigned char stepLocal_1 = var_1_1; VAL [isInitial=1, last_1_var_1_17=0, stepLocal_1=-193, var_1_10=63, var_1_12=0, var_1_17=0, var_1_1=-193, var_1_7=-129, var_1_8=-193, var_1_9=63] [L45] COND TRUE stepLocal_1 >= var_1_1 [L46] var_1_17 = (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - (((((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) < 0 ) ? -((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) : ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_12=0, var_1_17=64, var_1_1=-193, var_1_7=-129, var_1_8=-193, var_1_9=63] [L50] COND TRUE var_1_12 || ((var_1_13 * 49.25) == 32.8) [L51] var_1_11 = (((((var_1_14 + var_1_15)) > (var_1_16)) ? ((var_1_14 + var_1_15)) : (var_1_16))) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_11=2, var_1_12=0, var_1_16=0, var_1_17=64, var_1_1=-193, var_1_7=-129, var_1_8=-193, var_1_9=63] [L94] RET step() [L95] CALL, EXPR property() [L85-L86] return (((((last_1_var_1_17 * last_1_var_1_17) * last_1_var_1_17) < ((((last_1_var_1_17) > (last_1_var_1_17)) ? (last_1_var_1_17) : (last_1_var_1_17)))) ? (var_1_1 == ((unsigned char) (var_1_7 - (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - var_1_10)))) : (var_1_1 == ((unsigned char) var_1_8))) && ((var_1_12 || ((var_1_13 * 49.25) == 32.8)) ? (var_1_11 == ((float) (((((var_1_14 + var_1_15)) > (var_1_16)) ? ((var_1_14 + var_1_15)) : (var_1_16))))) : (var_1_11 == ((float) var_1_15)))) && ((var_1_1 >= var_1_1) ? (var_1_17 == ((unsigned char) (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - (((((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) < 0 ) ? -((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) : ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))))) : (var_1_17 == ((unsigned char) var_1_8))) ; VAL [\result=0, isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_11=2, var_1_12=0, var_1_16=0, var_1_17=64, var_1_1=-193, var_1_7=-129, var_1_8=-193, var_1_9=63] [L95] RET, EXPR property() [L95] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_11=2, var_1_12=0, var_1_16=0, var_1_17=64, var_1_1=-193, var_1_7=-129, var_1_8=-193, var_1_9=63] [L19] reach_error() VAL [isInitial=1, last_1_var_1_17=0, var_1_10=63, var_1_11=2, var_1_12=0, var_1_16=0, var_1_17=64, var_1_1=-193, var_1_7=-129, var_1_8=-193, var_1_9=63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 237 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 125 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 112 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=2, InterpolantAutomatonStates: 7, 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, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 552 NumberOfCodeBlocks, 552 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 273 ConstructedInterpolants, 0 QuantifiedInterpolants, 445 SizeOfPredicates, 1 NumberOfNonLiveVariables, 426 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1066/1092 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 10:55:19,207 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_loopvsstraightlinecode_25-while_file-75.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 78cb2a64d376bc24725ded4a0eb9b996b458809ee92f4059e872faf6b1604d1d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 10:55:21,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 10:55:21,075 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 10:55:21,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 10:55:21,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 10:55:21,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 10:55:21,099 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 10:55:21,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 10:55:21,101 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 10:55:21,101 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 10:55:21,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 10:55:21,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 10:55:21,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 10:55:21,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 10:55:21,104 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 10:55:21,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 10:55:21,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 10:55:21,105 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 10:55:21,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 10:55:21,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 10:55:21,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 10:55:21,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 10:55:21,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 10:55:21,108 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 10:55:21,108 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 10:55:21,108 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 10:55:21,109 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 10:55:21,109 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 10:55:21,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 10:55:21,109 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 10:55:21,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 10:55:21,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 10:55:21,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 10:55:21,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 10:55:21,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 10:55:21,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 10:55:21,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 10:55:21,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 10:55:21,111 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 10:55:21,113 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 10:55:21,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 10:55:21,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 10:55:21,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 10:55:21,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 10:55:21,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78cb2a64d376bc24725ded4a0eb9b996b458809ee92f4059e872faf6b1604d1d [2024-11-22 10:55:21,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 10:55:21,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 10:55:21,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 10:55:21,397 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 10:55:21,398 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 10:55:21,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-75.i [2024-11-22 10:55:22,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 10:55:22,985 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 10:55:22,986 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-75.i [2024-11-22 10:55:22,994 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e32cde5e2/50d6b94e474e4ec1a238ae4f65fdd104/FLAG8fde9d217 [2024-11-22 10:55:23,005 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e32cde5e2/50d6b94e474e4ec1a238ae4f65fdd104 [2024-11-22 10:55:23,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 10:55:23,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 10:55:23,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 10:55:23,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 10:55:23,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 10:55:23,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9422f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23, skipping insertion in model container [2024-11-22 10:55:23,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 10:55:23,214 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_loopvsstraightlinecode_25-while_file-75.i[915,928] [2024-11-22 10:55:23,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 10:55:23,278 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 10:55:23,288 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_loopvsstraightlinecode_25-while_file-75.i[915,928] [2024-11-22 10:55:23,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 10:55:23,332 INFO L204 MainTranslator]: Completed translation [2024-11-22 10:55:23,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23 WrapperNode [2024-11-22 10:55:23,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 10:55:23,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 10:55:23,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 10:55:23,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 10:55:23,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,379 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-11-22 10:55:23,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 10:55:23,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 10:55:23,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 10:55:23,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 10:55:23,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,402 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,419 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 10:55:23,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 10:55:23,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 10:55:23,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 10:55:23,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 10:55:23,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23" (1/1) ... [2024-11-22 10:55:23,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 10:55:23,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 10:55:23,484 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 10:55:23,487 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 10:55:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 10:55:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 10:55:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 10:55:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 10:55:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 10:55:23,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 10:55:23,602 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 10:55:23,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 10:55:24,564 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-22 10:55:24,564 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 10:55:24,575 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 10:55:24,575 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 10:55:24,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:55:24 BoogieIcfgContainer [2024-11-22 10:55:24,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 10:55:24,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 10:55:24,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 10:55:24,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 10:55:24,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:55:23" (1/3) ... [2024-11-22 10:55:24,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5b4c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:55:24, skipping insertion in model container [2024-11-22 10:55:24,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:55:23" (2/3) ... [2024-11-22 10:55:24,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5b4c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:55:24, skipping insertion in model container [2024-11-22 10:55:24,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:55:24" (3/3) ... [2024-11-22 10:55:24,583 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-75.i [2024-11-22 10:55:24,604 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 10:55:24,604 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 10:55:24,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 10:55:24,664 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;@2b572958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 10:55:24,664 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 10:55:24,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 30 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 10:55:24,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 10:55:24,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 10:55:24,676 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:24,676 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 10:55:24,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 10:55:24,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1088366336, now seen corresponding path program 1 times [2024-11-22 10:55:24,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 10:55:24,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790150877] [2024-11-22 10:55:24,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:55:24,695 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 10:55:24,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 10:55:24,698 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 10:55:24,699 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 10:55:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 10:55:24,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 10:55:24,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 10:55:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-22 10:55:24,993 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 10:55:24,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 10:55:24,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790150877] [2024-11-22 10:55:24,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1790150877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 10:55:24,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 10:55:24,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 10:55:24,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677434604] [2024-11-22 10:55:24,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 10:55:25,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 10:55:25,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 10:55:25,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 10:55:25,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 10:55:25,022 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 30 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-22 10:55:25,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 10:55:25,045 INFO L93 Difference]: Finished difference Result 85 states and 138 transitions. [2024-11-22 10:55:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 10:55:25,047 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2024-11-22 10:55:25,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 10:55:25,053 INFO L225 Difference]: With dead ends: 85 [2024-11-22 10:55:25,053 INFO L226 Difference]: Without dead ends: 42 [2024-11-22 10:55:25,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 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 10:55:25,061 INFO L432 NwaCegarLoop]: 58 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, 58 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 10:55:25,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 10:55:25,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-22 10:55:25,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-22 10:55:25,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 10:55:25,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2024-11-22 10:55:25,100 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 92 [2024-11-22 10:55:25,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 10:55:25,100 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2024-11-22 10:55:25,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-22 10:55:25,101 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2024-11-22 10:55:25,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 10:55:25,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 10:55:25,103 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:25,113 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 10:55:25,304 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 10:55:25,305 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 10:55:25,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 10:55:25,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1600446904, now seen corresponding path program 1 times [2024-11-22 10:55:25,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 10:55:25,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169494451] [2024-11-22 10:55:25,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:55:25,310 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 10:55:25,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 10:55:25,313 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 10:55:25,314 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 10:55:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 10:55:25,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 10:55:25,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 10:55:25,771 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-22 10:55:25,772 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 10:55:25,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 10:55:25,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1169494451] [2024-11-22 10:55:25,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1169494451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 10:55:25,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 10:55:25,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 10:55:25,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612420412] [2024-11-22 10:55:25,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 10:55:25,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 10:55:25,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 10:55:25,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 10:55:25,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 10:55:25,775 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-22 10:55:26,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 10:55:26,719 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2024-11-22 10:55:26,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 10:55:26,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92 [2024-11-22 10:55:26,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 10:55:26,732 INFO L225 Difference]: With dead ends: 121 [2024-11-22 10:55:26,733 INFO L226 Difference]: Without dead ends: 82 [2024-11-22 10:55:26,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 10:55:26,734 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 30 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 10:55:26,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 179 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 10:55:26,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-22 10:55:26,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72. [2024-11-22 10:55:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 41 states have internal predecessors, (45), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-22 10:55:26,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2024-11-22 10:55:26,755 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 92 [2024-11-22 10:55:26,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 10:55:26,755 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2024-11-22 10:55:26,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-22 10:55:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2024-11-22 10:55:26,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 10:55:26,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 10:55:26,758 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:26,767 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 10:55:26,959 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 10:55:26,960 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 10:55:26,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 10:55:26,961 INFO L85 PathProgramCache]: Analyzing trace with hash 791100278, now seen corresponding path program 1 times [2024-11-22 10:55:26,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 10:55:26,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251217487] [2024-11-22 10:55:26,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:55:26,963 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 10:55:26,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 10:55:26,964 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 10:55:26,965 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 10:55:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 10:55:27,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 10:55:27,164 INFO L278 TraceCheckSpWp]: Computing forward predicates...