./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_has-floats_file-88.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 8c418b0c8344417842d256c30105b463d7c4d2db0994323aaa603b3ca1dc8de4 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:04:37,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:04:37,747 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 23:04:37,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:04:37,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:04:37,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:04:37,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:04:37,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:04:37,788 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:04:37,790 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:04:37,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:04:37,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:04:37,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:04:37,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:04:37,794 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:04:37,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:04:37,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:04:37,795 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:04:37,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:04:37,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:04:37,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:04:37,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:04:37,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:04:37,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:04:37,800 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:04:37,800 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:04:37,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:04:37,801 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:04:37,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:04:37,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:04:37,802 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:04:37,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:04:37,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:04:37,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:04:37,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:04:37,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:04:37,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 23:04:37,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:04:37,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:04:37,805 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:04:37,806 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:04:37,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:04:37,807 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c418b0c8344417842d256c30105b463d7c4d2db0994323aaa603b3ca1dc8de4 [2024-11-08 23:04:38,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:04:38,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:04:38,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:04:38,154 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:04:38,155 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:04:38,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-88.i [2024-11-08 23:04:39,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:04:39,789 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:04:39,790 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-88.i [2024-11-08 23:04:39,798 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b3f8e496/fe3dd61958f0465e9fef30b71791382d/FLAGb1a2b644d [2024-11-08 23:04:39,810 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b3f8e496/fe3dd61958f0465e9fef30b71791382d [2024-11-08 23:04:39,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:04:39,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:04:39,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:04:39,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:04:39,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:04:39,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:04:39" (1/1) ... [2024-11-08 23:04:39,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586fef37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:39, skipping insertion in model container [2024-11-08 23:04:39,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:04:39" (1/1) ... [2024-11-08 23:04:39,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:04:40,032 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_has-floats_file-88.i[917,930] [2024-11-08 23:04:40,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:04:40,112 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:04:40,128 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_has-floats_file-88.i[917,930] [2024-11-08 23:04:40,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:04:40,183 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:04:40,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40 WrapperNode [2024-11-08 23:04:40,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:04:40,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:04:40,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:04:40,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:04:40,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40" (1/1) ... [2024-11-08 23:04:40,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40" (1/1) ... [2024-11-08 23:04:40,232 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-08 23:04:40,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:04:40,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:04:40,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:04:40,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:04:40,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40" (1/1) ... [2024-11-08 23:04:40,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40" (1/1) ... [2024-11-08 23:04:40,262 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40" (1/1) ... [2024-11-08 23:04:40,277 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]. [2024-11-08 23:04:40,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40" (1/1) ... [2024-11-08 23:04:40,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40" (1/1) ... [2024-11-08 23:04:40,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40" (1/1) ... [2024-11-08 23:04:40,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40" (1/1) ... [2024-11-08 23:04:40,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40" (1/1) ... [2024-11-08 23:04:40,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40" (1/1) ... [2024-11-08 23:04:40,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:04:40,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:04:40,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:04:40,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:04:40,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40" (1/1) ... [2024-11-08 23:04:40,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:04:40,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:04:40,363 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) [2024-11-08 23:04:40,365 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 [2024-11-08 23:04:40,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:04:40,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:04:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:04:40,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 23:04:40,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:04:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:04:40,480 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:04:40,482 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:04:40,743 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 23:04:40,744 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:04:40,755 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:04:40,755 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:04:40,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:40 BoogieIcfgContainer [2024-11-08 23:04:40,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:04:40,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:04:40,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:04:40,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:04:40,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:04:39" (1/3) ... [2024-11-08 23:04:40,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4639b004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:04:40, skipping insertion in model container [2024-11-08 23:04:40,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:40" (2/3) ... [2024-11-08 23:04:40,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4639b004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:04:40, skipping insertion in model container [2024-11-08 23:04:40,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:40" (3/3) ... [2024-11-08 23:04:40,764 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-88.i [2024-11-08 23:04:40,777 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:04:40,777 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:04:40,828 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:04:40,834 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;@b09b1c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:04:40,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:04:40,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 23:04:40,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 23:04:40,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:04:40,850 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:04:40,851 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:04:40,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:04:40,855 INFO L85 PathProgramCache]: Analyzing trace with hash -849179731, now seen corresponding path program 1 times [2024-11-08 23:04:40,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:04:40,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035326673] [2024-11-08 23:04:40,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:04:40,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:04:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:04:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:04:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:04:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:04:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:04:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:04:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:04:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:04:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:04:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:04:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:04:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:04:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:04:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:04:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 23:04:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:04:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,229 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 23:04:41,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:04:41,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035326673] [2024-11-08 23:04:41,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035326673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:04:41,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:04:41,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 23:04:41,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496496547] [2024-11-08 23:04:41,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:04:41,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 23:04:41,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:04:41,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 23:04:41,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:04:41,265 INFO L87 Difference]: Start difference. First operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 23:04:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:04:41,289 INFO L93 Difference]: Finished difference Result 109 states and 183 transitions. [2024-11-08 23:04:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 23:04:41,292 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111 [2024-11-08 23:04:41,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:04:41,297 INFO L225 Difference]: With dead ends: 109 [2024-11-08 23:04:41,297 INFO L226 Difference]: Without dead ends: 54 [2024-11-08 23:04:41,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:04:41,303 INFO L432 NwaCegarLoop]: 79 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, 79 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 [2024-11-08 23:04:41,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:04:41,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-08 23:04:41,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-08 23:04:41,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 23:04:41,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions. [2024-11-08 23:04:41,345 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 111 [2024-11-08 23:04:41,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:04:41,345 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions. [2024-11-08 23:04:41,345 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 23:04:41,346 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-11-08 23:04:41,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 23:04:41,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:04:41,350 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:04:41,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 23:04:41,352 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:04:41,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:04:41,353 INFO L85 PathProgramCache]: Analyzing trace with hash -665723601, now seen corresponding path program 1 times [2024-11-08 23:04:41,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:04:41,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651351671] [2024-11-08 23:04:41,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:04:41,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:04:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:04:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:04:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:04:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:04:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:04:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:04:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:04:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:04:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:04:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:04:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:04:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:04:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:04:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:04:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 23:04:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:04:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 23:04:42,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:04:42,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651351671] [2024-11-08 23:04:42,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651351671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:04:42,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:04:42,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 23:04:42,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225229530] [2024-11-08 23:04:42,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:04:42,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 23:04:42,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:04:42,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 23:04:42,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 23:04:42,327 INFO L87 Difference]: Start difference. First operand 54 states and 79 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 23:04:42,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:04:42,606 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2024-11-08 23:04:42,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 23:04:42,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 111 [2024-11-08 23:04:42,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:04:42,610 INFO L225 Difference]: With dead ends: 157 [2024-11-08 23:04:42,610 INFO L226 Difference]: Without dead ends: 106 [2024-11-08 23:04:42,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:04:42,612 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 57 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:04:42,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 202 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 23:04:42,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-08 23:04:42,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 97. [2024-11-08 23:04:42,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 60 states have internal predecessors, (76), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 23:04:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 144 transitions. [2024-11-08 23:04:42,658 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 144 transitions. Word has length 111 [2024-11-08 23:04:42,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:04:42,659 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 144 transitions. [2024-11-08 23:04:42,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 23:04:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 144 transitions. [2024-11-08 23:04:42,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:04:42,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:04:42,662 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:04:42,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 23:04:42,663 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:04:42,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:04:42,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1594133825, now seen corresponding path program 1 times [2024-11-08 23:04:42,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:04:42,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103450988] [2024-11-08 23:04:42,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:04:42,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:04:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:04:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:04:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:04:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:04:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:04:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:04:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:04:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:04:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:04:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:04:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:04:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:04:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:04:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:04:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 23:04:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:04:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 23:04:42,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:04:42,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103450988] [2024-11-08 23:04:42,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103450988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:04:42,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:04:42,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 23:04:42,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432891951] [2024-11-08 23:04:42,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:04:42,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 23:04:42,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:04:42,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 23:04:42,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 23:04:42,988 INFO L87 Difference]: Start difference. First operand 97 states and 144 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 23:04:43,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:04:43,158 INFO L93 Difference]: Finished difference Result 165 states and 243 transitions. [2024-11-08 23:04:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 23:04:43,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113 [2024-11-08 23:04:43,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:04:43,163 INFO L225 Difference]: With dead ends: 165 [2024-11-08 23:04:43,165 INFO L226 Difference]: Without dead ends: 106 [2024-11-08 23:04:43,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:04:43,166 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 54 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 23:04:43,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 206 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 23:04:43,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-08 23:04:43,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 98. [2024-11-08 23:04:43,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 61 states have internal predecessors, (76), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 23:04:43,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 144 transitions. [2024-11-08 23:04:43,199 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 144 transitions. Word has length 113 [2024-11-08 23:04:43,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:04:43,202 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 144 transitions. [2024-11-08 23:04:43,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 23:04:43,202 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 144 transitions. [2024-11-08 23:04:43,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 23:04:43,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:04:43,205 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:04:43,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 23:04:43,206 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:04:43,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:04:43,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1203828785, now seen corresponding path program 1 times [2024-11-08 23:04:43,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:04:43,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938515799] [2024-11-08 23:04:43,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:04:43,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:04:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:04:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:04:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:04:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:04:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:04:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:04:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:04:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:04:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:04:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:04:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:04:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:04:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:04:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:04:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 23:04:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:04:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:43,621 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 23:04:43,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:04:43,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938515799] [2024-11-08 23:04:43,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938515799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:04:43,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:04:43,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 23:04:43,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376256349] [2024-11-08 23:04:43,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:04:43,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 23:04:43,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:04:43,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 23:04:43,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 23:04:43,625 INFO L87 Difference]: Start difference. First operand 98 states and 144 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 23:04:43,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:04:43,903 INFO L93 Difference]: Finished difference Result 193 states and 273 transitions. [2024-11-08 23:04:43,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 23:04:43,904 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 115 [2024-11-08 23:04:43,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:04:43,907 INFO L225 Difference]: With dead ends: 193 [2024-11-08 23:04:43,907 INFO L226 Difference]: Without dead ends: 136 [2024-11-08 23:04:43,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-08 23:04:43,913 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 147 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:04:43,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 338 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 23:04:43,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-08 23:04:43,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 99. [2024-11-08 23:04:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 62 states have internal predecessors, (77), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 23:04:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 145 transitions. [2024-11-08 23:04:43,941 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 145 transitions. Word has length 115 [2024-11-08 23:04:43,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:04:43,941 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 145 transitions. [2024-11-08 23:04:43,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 23:04:43,942 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 145 transitions. [2024-11-08 23:04:43,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 23:04:43,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:04:43,945 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:04:43,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 23:04:43,946 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:04:43,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:04:43,946 INFO L85 PathProgramCache]: Analyzing trace with hash -945663347, now seen corresponding path program 1 times [2024-11-08 23:04:43,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:04:43,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497007652] [2024-11-08 23:04:43,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:04:43,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:04:44,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:04:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:04:44,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 23:04:44,160 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 23:04:44,161 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 23:04:44,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 23:04:44,166 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 23:04:44,250 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 23:04:44,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 11:04:44 BoogieIcfgContainer [2024-11-08 23:04:44,257 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 23:04:44,257 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:04:44,258 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:04:44,258 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:04:44,258 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:40" (3/4) ... [2024-11-08 23:04:44,261 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:04:44,262 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:04:44,263 INFO L158 Benchmark]: Toolchain (without parser) took 4448.37ms. Allocated memory was 176.2MB in the beginning and 216.0MB in the end (delta: 39.8MB). Free memory was 99.9MB in the beginning and 168.9MB in the end (delta: -69.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:04:44,263 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 145.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:04:44,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.65ms. Allocated memory is still 176.2MB. Free memory was 99.9MB in the beginning and 85.5MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:04:44,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.44ms. Allocated memory is still 176.2MB. Free memory was 85.5MB in the beginning and 83.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:04:44,265 INFO L158 Benchmark]: Boogie Preprocessor took 58.29ms. Allocated memory is still 176.2MB. Free memory was 83.1MB in the beginning and 144.4MB in the end (delta: -61.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-11-08 23:04:44,266 INFO L158 Benchmark]: RCFGBuilder took 463.90ms. Allocated memory is still 176.2MB. Free memory was 144.4MB in the beginning and 126.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:04:44,266 INFO L158 Benchmark]: TraceAbstraction took 3499.11ms. Allocated memory was 176.2MB in the beginning and 216.0MB in the end (delta: 39.8MB). Free memory was 126.3MB in the beginning and 168.9MB in the end (delta: -42.5MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. [2024-11-08 23:04:44,266 INFO L158 Benchmark]: Witness Printer took 4.65ms. Allocated memory is still 216.0MB. Free memory is still 168.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:04:44,267 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 145.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.65ms. Allocated memory is still 176.2MB. Free memory was 99.9MB in the beginning and 85.5MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.44ms. Allocated memory is still 176.2MB. Free memory was 85.5MB in the beginning and 83.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.29ms. Allocated memory is still 176.2MB. Free memory was 83.1MB in the beginning and 144.4MB in the end (delta: -61.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * RCFGBuilder took 463.90ms. Allocated memory is still 176.2MB. Free memory was 144.4MB in the beginning and 126.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3499.11ms. Allocated memory was 176.2MB in the beginning and 216.0MB in the end (delta: 39.8MB). Free memory was 126.3MB in the beginning and 168.9MB in the end (delta: -42.5MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. * Witness Printer took 4.65ms. Allocated memory is still 216.0MB. Free memory is still 168.9MB. 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 someBinaryFLOATComparisonOperation at line 103, overapproximation of bitwiseOr at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L23] unsigned char var_1_5 = 0; [L24] unsigned char var_1_6 = 1; [L25] signed char var_1_7 = -1; [L26] signed char var_1_8 = -50; [L27] signed char var_1_9 = 100; [L28] unsigned long int var_1_10 = 25; [L29] unsigned long int var_1_11 = 2568920345; [L30] unsigned long int var_1_12 = 1191097264; [L31] unsigned long int var_1_13 = 1801344522; [L32] signed long int var_1_14 = 64; [L33] signed short int var_1_15 = -16; [L34] float var_1_16 = 1000000.5; [L35] float var_1_17 = 4.5; [L36] unsigned char var_1_18 = 0; [L37] unsigned char var_1_19 = 128; [L38] unsigned long int last_1_var_1_10 = 25; [L39] signed short int last_1_var_1_15 = -16; [L40] unsigned char last_1_var_1_18 = 0; VAL [isInitial=0, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L98] last_1_var_1_10 = var_1_10 [L99] last_1_var_1_15 = var_1_15 [L100] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L110] RET updateLastVariables() [L111] CALL updateVariables() [L70] var_1_5 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L72] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L72] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L73] var_1_6 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_7=-1, var_1_8=-50, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_7=-1, var_1_8=-50, var_1_9=100] [L74] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_7=-1, var_1_8=-50, var_1_9=100] [L75] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L75] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L76] var_1_7 = __VERIFIER_nondet_char() [L77] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=100] [L77] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=100] [L78] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=100] [L78] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=100] [L79] var_1_9 = __VERIFIER_nondet_char() [L80] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L80] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L81] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L81] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L82] var_1_11 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L83] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L84] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L84] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L85] var_1_12 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L86] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L87] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L87] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L88] var_1_13 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_13 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L89] RET assume_abort_if_not(var_1_13 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L90] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L90] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L91] var_1_17 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L92] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L93] var_1_19 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L94] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L95] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L95] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L111] RET updateVariables() [L112] CALL step() [L44] EXPR last_1_var_1_15 | last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L44] COND FALSE !(((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && var_1_5) [L51] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L53] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L56] COND TRUE var_1_12 <= var_1_8 [L57] var_1_14 = ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=50, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L59] var_1_15 = 2 [L60] var_1_16 = var_1_17 [L61] var_1_18 = var_1_19 [L62] unsigned char stepLocal_0 = var_1_8 < var_1_1; VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, stepLocal_0=1, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=50, var_1_15=2, var_1_16=4294967300, var_1_17=4294967300, var_1_18=254, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L63] COND TRUE stepLocal_0 && (((((var_1_9) > (var_1_8)) ? (var_1_9) : (var_1_8))) == var_1_7) [L64] var_1_10 = (var_1_11 - (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - 1u)) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=2147483648, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=50, var_1_15=2, var_1_16=4294967300, var_1_17=4294967300, var_1_18=254, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR last_1_var_1_15 | last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=2147483648, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=50, var_1_15=2, var_1_16=4294967300, var_1_17=4294967300, var_1_18=254, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L103-L104] return (((((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && var_1_5) ? ((var_1_5 && var_1_6) ? (var_1_1 == ((signed char) var_1_7)) : (var_1_1 == ((signed char) var_1_7))) : (var_1_1 == ((signed char) var_1_7))) && (var_1_5 ? (var_1_8 == ((signed char) ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))))) : 1)) && (((var_1_8 < var_1_1) && (((((var_1_9) > (var_1_8)) ? (var_1_9) : (var_1_8))) == var_1_7)) ? (var_1_10 == ((unsigned long int) (var_1_11 - (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - 1u)))) : (var_1_10 == ((unsigned long int) (var_1_11 - var_1_13))))) && ((var_1_12 <= var_1_8) ? (var_1_14 == ((signed long int) ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) : 1)) && (var_1_15 == ((signed short int) 2))) && (var_1_16 == ((float) var_1_17))) && (var_1_18 == ((unsigned char) var_1_19)) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=2147483648, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=50, var_1_15=2, var_1_16=4294967300, var_1_17=4294967300, var_1_18=254, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=2147483648, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=50, var_1_15=2, var_1_16=4294967300, var_1_17=4294967300, var_1_18=254, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 258 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 258 mSDsluCounter, 825 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 532 mSDsCounter, 162 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 162 mSolverCounterUnsat, 293 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 54 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 565 NumberOfCodeBlocks, 565 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 446 ConstructedInterpolants, 0 QuantifiedInterpolants, 1527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 2176/2176 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 [2024-11-08 23:04:44,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-88.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 8c418b0c8344417842d256c30105b463d7c4d2db0994323aaa603b3ca1dc8de4 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:04:46,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:04:46,637 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 23:04:46,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:04:46,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:04:46,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:04:46,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:04:46,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:04:46,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:04:46,680 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:04:46,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:04:46,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:04:46,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:04:46,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:04:46,687 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:04:46,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:04:46,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:04:46,687 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:04:46,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:04:46,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:04:46,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:04:46,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:04:46,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:04:46,689 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:04:46,690 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:04:46,690 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:04:46,690 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:04:46,691 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:04:46,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:04:46,691 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:04:46,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:04:46,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:04:46,692 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:04:46,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:04:46,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:04:46,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:04:46,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:04:46,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:04:46,693 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-08 23:04:46,694 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:46,694 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:04:46,694 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:04:46,695 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:04:46,695 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:04:46,695 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c418b0c8344417842d256c30105b463d7c4d2db0994323aaa603b3ca1dc8de4 [2024-11-08 23:04:47,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:04:47,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:04:47,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:04:47,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:04:47,081 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:04:47,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-88.i [2024-11-08 23:04:48,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:04:48,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:04:48,956 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-88.i [2024-11-08 23:04:48,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01bd4649c/d0d0abc01ee44319b850d8d257366b28/FLAG27f5d7a44 [2024-11-08 23:04:48,985 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01bd4649c/d0d0abc01ee44319b850d8d257366b28 [2024-11-08 23:04:48,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:04:48,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:04:48,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:04:48,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:04:49,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:04:49,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:04:48" (1/1) ... [2024-11-08 23:04:49,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2040e251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49, skipping insertion in model container [2024-11-08 23:04:49,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:04:48" (1/1) ... [2024-11-08 23:04:49,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:04:49,236 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_has-floats_file-88.i[917,930] [2024-11-08 23:04:49,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:04:49,314 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:04:49,329 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_has-floats_file-88.i[917,930] [2024-11-08 23:04:49,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:04:49,385 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:04:49,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49 WrapperNode [2024-11-08 23:04:49,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:04:49,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:04:49,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:04:49,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:04:49,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49" (1/1) ... [2024-11-08 23:04:49,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49" (1/1) ... [2024-11-08 23:04:49,447 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-08 23:04:49,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:04:49,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:04:49,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:04:49,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:04:49,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49" (1/1) ... [2024-11-08 23:04:49,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49" (1/1) ... [2024-11-08 23:04:49,464 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49" (1/1) ... [2024-11-08 23:04:49,478 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]. [2024-11-08 23:04:49,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49" (1/1) ... [2024-11-08 23:04:49,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49" (1/1) ... [2024-11-08 23:04:49,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49" (1/1) ... [2024-11-08 23:04:49,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49" (1/1) ... [2024-11-08 23:04:49,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49" (1/1) ... [2024-11-08 23:04:49,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49" (1/1) ... [2024-11-08 23:04:49,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:04:49,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:04:49,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:04:49,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:04:49,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49" (1/1) ... [2024-11-08 23:04:49,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:04:49,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:04:49,551 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) [2024-11-08 23:04:49,558 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 [2024-11-08 23:04:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:04:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 23:04:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:04:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:04:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:04:49,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:04:49,705 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:04:49,707 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:04:50,008 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 23:04:50,009 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:04:50,024 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:04:50,025 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:04:50,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:50 BoogieIcfgContainer [2024-11-08 23:04:50,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:04:50,027 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:04:50,027 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:04:50,032 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:04:50,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:04:48" (1/3) ... [2024-11-08 23:04:50,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9e8c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:04:50, skipping insertion in model container [2024-11-08 23:04:50,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:49" (2/3) ... [2024-11-08 23:04:50,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9e8c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:04:50, skipping insertion in model container [2024-11-08 23:04:50,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:50" (3/3) ... [2024-11-08 23:04:50,036 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-88.i [2024-11-08 23:04:50,050 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:04:50,051 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:04:50,120 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:04:50,128 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;@4e677686, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:04:50,128 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:04:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 23:04:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 23:04:50,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:04:50,145 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:04:50,145 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:04:50,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:04:50,152 INFO L85 PathProgramCache]: Analyzing trace with hash -151393228, now seen corresponding path program 1 times [2024-11-08 23:04:50,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 23:04:50,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2136621110] [2024-11-08 23:04:50,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:04:50,165 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 [2024-11-08 23:04:50,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 23:04:50,166 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) [2024-11-08 23:04:50,167 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 [2024-11-08 23:04:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:50,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:04:50,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-08 23:04:50,418 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 23:04:50,419 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 23:04:50,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2136621110] [2024-11-08 23:04:50,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2136621110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:04:50,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:04:50,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 23:04:50,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431532236] [2024-11-08 23:04:50,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:04:50,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 23:04:50,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 23:04:50,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 23:04:50,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:04:50,459 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 23:04:50,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:04:50,487 INFO L93 Difference]: Finished difference Result 95 states and 161 transitions. [2024-11-08 23:04:50,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 23:04:50,489 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2024-11-08 23:04:50,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:04:50,497 INFO L225 Difference]: With dead ends: 95 [2024-11-08 23:04:50,497 INFO L226 Difference]: Without dead ends: 47 [2024-11-08 23:04:50,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:04:50,505 INFO L432 NwaCegarLoop]: 68 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, 68 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 [2024-11-08 23:04:50,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:04:50,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-08 23:04:50,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-08 23:04:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 23:04:50,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2024-11-08 23:04:50,559 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 108 [2024-11-08 23:04:50,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:04:50,559 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2024-11-08 23:04:50,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 23:04:50,560 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2024-11-08 23:04:50,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 23:04:50,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:04:50,566 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:04:50,572 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 [2024-11-08 23:04:50,771 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 [2024-11-08 23:04:50,771 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:04:50,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:04:50,772 INFO L85 PathProgramCache]: Analyzing trace with hash 222157298, now seen corresponding path program 1 times [2024-11-08 23:04:50,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 23:04:50,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357162023] [2024-11-08 23:04:50,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:04:50,773 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 [2024-11-08 23:04:50,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 23:04:50,779 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) [2024-11-08 23:04:50,781 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 [2024-11-08 23:04:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:50,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:04:50,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 23:04:51,381 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 23:04:51,381 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 23:04:51,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357162023] [2024-11-08 23:04:51,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357162023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:04:51,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:04:51,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 23:04:51,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938837261] [2024-11-08 23:04:51,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:04:51,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 23:04:51,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 23:04:51,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 23:04:51,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:04:51,387 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 23:04:51,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:04:51,605 INFO L93 Difference]: Finished difference Result 158 states and 226 transitions. [2024-11-08 23:04:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 23:04:51,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-11-08 23:04:51,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:04:51,609 INFO L225 Difference]: With dead ends: 158 [2024-11-08 23:04:51,609 INFO L226 Difference]: Without dead ends: 114 [2024-11-08 23:04:51,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 23:04:51,611 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 84 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 23:04:51,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 254 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 23:04:51,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-08 23:04:51,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 81. [2024-11-08 23:04:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 23:04:51,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 119 transitions. [2024-11-08 23:04:51,647 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 119 transitions. Word has length 108 [2024-11-08 23:04:51,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:04:51,648 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 119 transitions. [2024-11-08 23:04:51,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 23:04:51,649 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 119 transitions. [2024-11-08 23:04:51,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 23:04:51,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:04:51,650 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:04:51,658 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 (3)] Ended with exit code 0 [2024-11-08 23:04:51,854 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 [2024-11-08 23:04:51,855 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:04:51,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:04:51,856 INFO L85 PathProgramCache]: Analyzing trace with hash -587189328, now seen corresponding path program 1 times [2024-11-08 23:04:51,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 23:04:51,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [192906429] [2024-11-08 23:04:51,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:04:51,857 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 [2024-11-08 23:04:51,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 23:04:51,858 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) [2024-11-08 23:04:51,860 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 [2024-11-08 23:04:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:51,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 23:04:51,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 258 proven. 15 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2024-11-08 23:04:52,395 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 23:04:52,673 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 33 proven. 15 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 23:04:52,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 23:04:52,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [192906429] [2024-11-08 23:04:52,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [192906429] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 23:04:52,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 23:04:52,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-11-08 23:04:52,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666738412] [2024-11-08 23:04:52,675 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 23:04:52,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 23:04:52,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 23:04:52,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 23:04:52,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 23:04:52,677 INFO L87 Difference]: Start difference. First operand 81 states and 119 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-08 23:04:53,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:04:53,416 INFO L93 Difference]: Finished difference Result 242 states and 342 transitions. [2024-11-08 23:04:53,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 23:04:53,417 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 108 [2024-11-08 23:04:53,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:04:53,421 INFO L225 Difference]: With dead ends: 242 [2024-11-08 23:04:53,421 INFO L226 Difference]: Without dead ends: 198 [2024-11-08 23:04:53,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2024-11-08 23:04:53,423 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 131 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 23:04:53,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 212 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 23:04:53,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-08 23:04:53,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 157. [2024-11-08 23:04:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.1573033707865168) internal successors, (103), 90 states have internal predecessors, (103), 61 states have call successors, (61), 6 states have call predecessors, (61), 6 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-08 23:04:53,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 225 transitions. [2024-11-08 23:04:53,477 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 225 transitions. Word has length 108 [2024-11-08 23:04:53,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:04:53,478 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 225 transitions. [2024-11-08 23:04:53,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-08 23:04:53,478 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 225 transitions. [2024-11-08 23:04:53,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 23:04:53,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:04:53,480 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:04:53,487 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 (4)] Ended with exit code 0 [2024-11-08 23:04:53,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 23:04:53,682 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:04:53,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:04:53,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1932770606, now seen corresponding path program 1 times [2024-11-08 23:04:53,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 23:04:53,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015738268] [2024-11-08 23:04:53,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:04:53,684 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 [2024-11-08 23:04:53,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 23:04:53,687 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-08 23:04:53,690 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 (5)] Waiting until timeout for monitored process [2024-11-08 23:04:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:53,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 23:04:53,779 INFO L278 TraceCheckSpWp]: Computing forward predicates...