./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.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 384bac4055c502051af9511b4aacc64193ea24cf100027b947c84870f94aa671 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:49:32,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:49:32,348 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 15:49:32,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:49:32,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:49:32,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:49:32,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:49:32,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:49:32,390 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:49:32,395 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:49:32,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:49:32,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:49:32,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:49:32,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:49:32,397 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:49:32,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:49:32,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:49:32,397 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:49:32,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 15:49:32,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:49:32,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:49:32,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:49:32,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:49:32,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:49:32,400 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:49:32,400 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:49:32,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:49:32,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:49:32,401 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:49:32,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:49:32,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:49:32,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:49:32,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:49:32,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:49:32,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:49:32,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:49:32,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 15:49:32,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 15:49:32,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:49:32,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:49:32,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:49:32,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:49:32,405 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384bac4055c502051af9511b4aacc64193ea24cf100027b947c84870f94aa671 [2024-11-16 15:49:32,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:49:32,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:49:32,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:49:32,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:49:32,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:49:32,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i [2024-11-16 15:49:34,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:49:34,372 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:49:34,372 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i [2024-11-16 15:49:34,382 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cae804491/6a7b7ef91830435a8205371a1115053f/FLAG2fce60f00 [2024-11-16 15:49:34,395 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cae804491/6a7b7ef91830435a8205371a1115053f [2024-11-16 15:49:34,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:49:34,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:49:34,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:49:34,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:49:34,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:49:34,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e1450db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34, skipping insertion in model container [2024-11-16 15:49:34,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:49:34,603 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_floatingpointinfluence_no-floats_file-42.i[916,929] [2024-11-16 15:49:34,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:49:34,678 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:49:34,690 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_floatingpointinfluence_no-floats_file-42.i[916,929] [2024-11-16 15:49:34,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:49:34,743 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:49:34,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34 WrapperNode [2024-11-16 15:49:34,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:49:34,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:49:34,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:49:34,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:49:34,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,790 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2024-11-16 15:49:34,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:49:34,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:49:34,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:49:34,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:49:34,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,808 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,824 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]. [2024-11-16 15:49:34,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,830 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:49:34,837 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:49:34,837 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:49:34,837 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:49:34,838 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34" (1/1) ... [2024-11-16 15:49:34,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:49:34,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:49:34,878 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) [2024-11-16 15:49:34,883 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 [2024-11-16 15:49:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:49:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:49:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:49:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 15:49:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:49:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:49:35,014 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:49:35,019 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:49:35,273 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-16 15:49:35,274 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:49:35,290 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:49:35,290 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 15:49:35,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:49:35 BoogieIcfgContainer [2024-11-16 15:49:35,291 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:49:35,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:49:35,293 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:49:35,297 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:49:35,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:49:34" (1/3) ... [2024-11-16 15:49:35,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d26a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:49:35, skipping insertion in model container [2024-11-16 15:49:35,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:34" (2/3) ... [2024-11-16 15:49:35,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d26a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:49:35, skipping insertion in model container [2024-11-16 15:49:35,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:49:35" (3/3) ... [2024-11-16 15:49:35,299 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-42.i [2024-11-16 15:49:35,314 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:49:35,315 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:49:35,373 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:49:35,382 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;@5bc3e442, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:49:35,382 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:49:35,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-16 15:49:35,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-16 15:49:35,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:49:35,397 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:49:35,398 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:49:35,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:49:35,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1710171005, now seen corresponding path program 1 times [2024-11-16 15:49:35,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:49:35,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582128066] [2024-11-16 15:49:35,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:49:35,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:49:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:35,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:49:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:35,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:49:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:35,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:49:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:35,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:49:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:35,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:49:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:35,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:49:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:35,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:49:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:35,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:49:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:35,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:49:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:35,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:49:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:35,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:49:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:35,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:49:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-16 15:49:35,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:49:35,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582128066] [2024-11-16 15:49:35,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582128066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:49:35,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:49:35,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:49:35,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609551444] [2024-11-16 15:49:35,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:49:35,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:49:35,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:49:35,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:49:35,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:49:35,797 INFO L87 Difference]: Start difference. First operand has 45 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 15:49:35,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:49:35,817 INFO L93 Difference]: Finished difference Result 82 states and 133 transitions. [2024-11-16 15:49:35,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:49:35,819 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2024-11-16 15:49:35,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:49:35,824 INFO L225 Difference]: With dead ends: 82 [2024-11-16 15:49:35,825 INFO L226 Difference]: Without dead ends: 40 [2024-11-16 15:49:35,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:49:35,831 INFO L432 NwaCegarLoop]: 54 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, 54 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 [2024-11-16 15:49:35,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:49:35,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-16 15:49:35,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-16 15:49:35,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-16 15:49:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2024-11-16 15:49:35,875 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 81 [2024-11-16 15:49:35,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:49:35,877 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2024-11-16 15:49:35,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 15:49:35,877 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2024-11-16 15:49:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-16 15:49:35,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:49:35,881 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:49:35,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 15:49:35,882 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:49:35,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:49:35,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1428183426, now seen corresponding path program 1 times [2024-11-16 15:49:35,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:49:35,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479242016] [2024-11-16 15:49:35,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:49:35,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:49:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 15:49:36,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 15:49:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 15:49:36,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 15:49:36,210 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 15:49:36,213 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 15:49:36,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 15:49:36,219 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 15:49:36,293 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 15:49:36,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:49:36 BoogieIcfgContainer [2024-11-16 15:49:36,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 15:49:36,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 15:49:36,299 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 15:49:36,299 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 15:49:36,299 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:49:35" (3/4) ... [2024-11-16 15:49:36,302 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 15:49:36,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 15:49:36,305 INFO L158 Benchmark]: Toolchain (without parser) took 1906.01ms. Allocated memory was 180.4MB in the beginning and 228.6MB in the end (delta: 48.2MB). Free memory was 121.7MB in the beginning and 155.9MB in the end (delta: -34.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-11-16 15:49:36,306 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 15:49:36,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.96ms. Allocated memory is still 180.4MB. Free memory was 121.7MB in the beginning and 107.7MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 15:49:36,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.34ms. Allocated memory is still 180.4MB. Free memory was 107.7MB in the beginning and 105.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 15:49:36,308 INFO L158 Benchmark]: Boogie Preprocessor took 44.93ms. Allocated memory is still 180.4MB. Free memory was 105.0MB in the beginning and 101.3MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 15:49:36,309 INFO L158 Benchmark]: IcfgBuilder took 454.48ms. Allocated memory is still 180.4MB. Free memory was 101.3MB in the beginning and 85.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 15:49:36,311 INFO L158 Benchmark]: TraceAbstraction took 1003.84ms. Allocated memory was 180.4MB in the beginning and 228.6MB in the end (delta: 48.2MB). Free memory was 84.6MB in the beginning and 155.9MB in the end (delta: -71.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 15:49:36,312 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 228.6MB. Free memory is still 155.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 15:49:36,314 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.96ms. Allocated memory is still 180.4MB. Free memory was 121.7MB in the beginning and 107.7MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.34ms. Allocated memory is still 180.4MB. Free memory was 107.7MB in the beginning and 105.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.93ms. Allocated memory is still 180.4MB. Free memory was 105.0MB in the beginning and 101.3MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 454.48ms. Allocated memory is still 180.4MB. Free memory was 101.3MB in the beginning and 85.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1003.84ms. Allocated memory was 180.4MB in the beginning and 228.6MB in the end (delta: 48.2MB). Free memory was 84.6MB in the beginning and 155.9MB in the end (delta: -71.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 228.6MB. Free memory is still 155.9MB. 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 to_int at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -1; [L23] unsigned char var_1_8 = 5; [L24] unsigned char var_1_9 = 4; [L25] signed long int var_1_10 = 16; [L26] signed long int var_1_11 = 127; [L27] unsigned char var_1_12 = 1; [L28] unsigned char var_1_13 = 0; [L29] unsigned char var_1_15 = 0; [L30] unsigned char var_1_16 = 0; [L31] unsigned char var_1_17 = 0; [L32] unsigned char var_1_18 = 0; VAL [isInitial=0, var_1_10=16, var_1_11=127, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=4] [L87] isInitial = 1 [L88] FCALL initially() [L89] COND TRUE 1 [L90] FCALL updateLastVariables() [L91] CALL updateVariables() [L61] var_1_9 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=127, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=127, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5] [L62] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=127, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5] [L63] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=127, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=127, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L63] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=16, var_1_11=127, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L64] var_1_11 = __VERIFIER_nondet_long() [L65] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L65] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L66] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L66] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L67] var_1_13 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L68] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L69] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L69] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L70] var_1_15 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L71] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L72] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L72] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L73] var_1_16 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L74] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L75] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L75] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L76] var_1_18 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L77] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L78] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=-256, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=-256, var_1_1=-1, var_1_8=5, var_1_9=127] [L78] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=-256, var_1_1=-1, var_1_8=5, var_1_9=127] [L91] RET updateVariables() [L92] CALL step() [L36] var_1_8 = (var_1_9 + 100) [L37] var_1_10 = ((((var_1_11) < (64.15f)) ? (var_1_11) : (64.15f))) VAL [isInitial=1, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=-256, var_1_1=-1, var_1_8=227, var_1_9=127] [L38] COND FALSE !(var_1_8 > var_1_8) [L41] var_1_1 = (((((var_1_8 - var_1_8)) > ((var_1_8 - var_1_8))) ? ((var_1_8 - var_1_8)) : ((var_1_8 - var_1_8)))) VAL [isInitial=1, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=-256, var_1_1=0, var_1_8=227, var_1_9=127] [L43] COND TRUE var_1_11 <= var_1_10 VAL [isInitial=1, var_1_10=1, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=-256, var_1_1=0, var_1_8=227, var_1_9=127] [L44] COND TRUE var_1_1 != var_1_8 [L45] var_1_17 = var_1_18 VAL [isInitial=1, var_1_10=1, var_1_11=-2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=-256, var_1_18=-256, var_1_1=0, var_1_8=227, var_1_9=127] [L54] COND TRUE (- var_1_10) > var_1_11 [L55] var_1_12 = (var_1_13 || (var_1_17 && (var_1_15 || var_1_16))) VAL [isInitial=1, var_1_10=1, var_1_11=-2, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=-256, var_1_18=-256, var_1_1=0, var_1_8=227, var_1_9=127] [L92] RET step() [L93] CALL, EXPR property() [L83-L84] return (((((var_1_8 > var_1_8) ? (var_1_1 == ((signed long int) (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) - 10))) : (var_1_1 == ((signed long int) (((((var_1_8 - var_1_8)) > ((var_1_8 - var_1_8))) ? ((var_1_8 - var_1_8)) : ((var_1_8 - var_1_8))))))) && (var_1_8 == ((unsigned char) (var_1_9 + 100)))) && (var_1_10 == ((signed long int) ((((var_1_11) < (64.15f)) ? (var_1_11) : (64.15f)))))) && (((- var_1_10) > var_1_11) ? (var_1_12 == ((unsigned char) (var_1_13 || (var_1_17 && (var_1_15 || var_1_16))))) : (var_1_12 == ((unsigned char) ((var_1_1 <= var_1_9) && var_1_16))))) && ((var_1_11 <= var_1_10) ? ((var_1_1 != var_1_8) ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : ((var_1_8 <= 1000000) ? (var_1_17 == ((unsigned char) 0)) : (var_1_17 == ((unsigned char) 0)))) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=-2, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=-256, var_1_18=-256, var_1_1=0, var_1_8=227, var_1_9=127] [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=-2, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=-256, var_1_18=-256, var_1_1=0, var_1_8=227, var_1_9=127] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=-2, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=-256, var_1_18=-256, var_1_1=0, var_1_8=227, var_1_9=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 54 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 264/264 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 [2024-11-16 15:49:36,353 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.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 384bac4055c502051af9511b4aacc64193ea24cf100027b947c84870f94aa671 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:49:38,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:49:39,021 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 15:49:39,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:49:39,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:49:39,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:49:39,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:49:39,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:49:39,056 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:49:39,059 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:49:39,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:49:39,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:49:39,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:49:39,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:49:39,061 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:49:39,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:49:39,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:49:39,063 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:49:39,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:49:39,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:49:39,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:49:39,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:49:39,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:49:39,065 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 15:49:39,065 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 15:49:39,072 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:49:39,073 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 15:49:39,073 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:49:39,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:49:39,074 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:49:39,074 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:49:39,075 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:49:39,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:49:39,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:49:39,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:49:39,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:49:39,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:49:39,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:49:39,077 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 15:49:39,077 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 15:49:39,078 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:49:39,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:49:39,079 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:49:39,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:49:39,080 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384bac4055c502051af9511b4aacc64193ea24cf100027b947c84870f94aa671 [2024-11-16 15:49:39,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:49:39,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:49:39,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:49:39,452 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:49:39,452 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:49:39,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i [2024-11-16 15:49:41,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:49:41,263 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:49:41,263 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-42.i [2024-11-16 15:49:41,273 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb9e79ee2/2f3468c36d864593bdc05c9fd7fd63ba/FLAG4e9bf0e48 [2024-11-16 15:49:41,285 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb9e79ee2/2f3468c36d864593bdc05c9fd7fd63ba [2024-11-16 15:49:41,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:49:41,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:49:41,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:49:41,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:49:41,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:49:41,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f05f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41, skipping insertion in model container [2024-11-16 15:49:41,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:49:41,515 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_floatingpointinfluence_no-floats_file-42.i[916,929] [2024-11-16 15:49:41,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:49:41,594 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:49:41,606 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_floatingpointinfluence_no-floats_file-42.i[916,929] [2024-11-16 15:49:41,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:49:41,659 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:49:41,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41 WrapperNode [2024-11-16 15:49:41,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:49:41,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:49:41,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:49:41,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:49:41,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,713 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-16 15:49:41,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:49:41,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:49:41,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:49:41,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:49:41,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,732 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,755 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]. [2024-11-16 15:49:41,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,766 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:49:41,784 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:49:41,784 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:49:41,784 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:49:41,785 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41" (1/1) ... [2024-11-16 15:49:41,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:49:41,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:49:41,822 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) [2024-11-16 15:49:41,825 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 [2024-11-16 15:49:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:49:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 15:49:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:49:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:49:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:49:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:49:41,959 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:49:41,962 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:49:42,612 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-16 15:49:42,613 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:49:42,631 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:49:42,631 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 15:49:42,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:49:42 BoogieIcfgContainer [2024-11-16 15:49:42,632 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:49:42,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:49:42,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:49:42,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:49:42,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:49:41" (1/3) ... [2024-11-16 15:49:42,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffa85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:49:42, skipping insertion in model container [2024-11-16 15:49:42,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:49:41" (2/3) ... [2024-11-16 15:49:42,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffa85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:49:42, skipping insertion in model container [2024-11-16 15:49:42,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:49:42" (3/3) ... [2024-11-16 15:49:42,643 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-42.i [2024-11-16 15:49:42,660 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:49:42,661 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:49:42,722 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:49:42,728 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;@5cd4c78a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:49:42,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:49:42,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-16 15:49:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-16 15:49:42,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:49:42,741 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:49:42,742 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:49:42,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:49:42,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1710171005, now seen corresponding path program 1 times [2024-11-16 15:49:42,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 15:49:42,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233633318] [2024-11-16 15:49:42,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:49:42,766 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 [2024-11-16 15:49:42,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 15:49:42,769 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) [2024-11-16 15:49:42,771 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 [2024-11-16 15:49:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:42,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 15:49:42,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 15:49:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-16 15:49:42,970 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 15:49:42,971 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 15:49:42,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1233633318] [2024-11-16 15:49:42,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1233633318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:49:42,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:49:42,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:49:42,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933488037] [2024-11-16 15:49:42,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:49:42,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:49:42,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 15:49:43,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:49:43,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:49:43,004 INFO L87 Difference]: Start difference. First operand has 45 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 15:49:43,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:49:43,033 INFO L93 Difference]: Finished difference Result 82 states and 133 transitions. [2024-11-16 15:49:43,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:49:43,036 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2024-11-16 15:49:43,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:49:43,044 INFO L225 Difference]: With dead ends: 82 [2024-11-16 15:49:43,044 INFO L226 Difference]: Without dead ends: 40 [2024-11-16 15:49:43,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:49:43,054 INFO L432 NwaCegarLoop]: 54 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, 54 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 [2024-11-16 15:49:43,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:49:43,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-16 15:49:43,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-16 15:49:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-16 15:49:43,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2024-11-16 15:49:43,105 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 81 [2024-11-16 15:49:43,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:49:43,105 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2024-11-16 15:49:43,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 15:49:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2024-11-16 15:49:43,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-16 15:49:43,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:49:43,111 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:49:43,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-16 15:49:43,312 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 [2024-11-16 15:49:43,313 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:49:43,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:49:43,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1428183426, now seen corresponding path program 1 times [2024-11-16 15:49:43,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 15:49:43,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1213739746] [2024-11-16 15:49:43,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:49:43,315 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 [2024-11-16 15:49:43,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 15:49:43,318 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) [2024-11-16 15:49:43,320 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 [2024-11-16 15:49:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 15:49:43,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 15:49:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 15:49:43,524 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-16 15:49:43,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2032485629] [2024-11-16 15:49:43,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:49:43,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-16 15:49:43,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-16 15:49:43,527 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-16 15:49:43,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-16 15:49:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:49:43,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-16 15:49:43,749 INFO L278 TraceCheckSpWp]: Computing forward predicates...