./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-8.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 53e7ff7bd6ec2503a9bc31bbebbfd68a26b18495b52d009e0e4e959aee5ed186 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 03:55:17,632 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 03:55:17,691 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-17 03:55:17,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 03:55:17,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 03:55:17,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 03:55:17,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 03:55:17,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 03:55:17,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 03:55:17,720 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 03:55:17,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 03:55:17,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 03:55:17,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 03:55:17,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 03:55:17,722 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 03:55:17,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 03:55:17,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 03:55:17,722 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 03:55:17,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 03:55:17,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 03:55:17,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 03:55:17,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 03:55:17,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 03:55:17,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 03:55:17,723 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 03:55:17,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 03:55:17,723 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 03:55:17,723 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 03:55:17,723 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 03:55:17,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 03:55:17,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 03:55:17,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 03:55:17,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 03:55:17,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 03:55:17,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 03:55:17,724 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 03:55:17,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 03:55:17,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 03:55:17,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 03:55:17,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 03:55:17,725 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 03:55:17,725 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 03:55:17,725 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 03:55:17,725 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 53e7ff7bd6ec2503a9bc31bbebbfd68a26b18495b52d009e0e4e959aee5ed186 [2025-03-17 03:55:17,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 03:55:17,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 03:55:17,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 03:55:17,959 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 03:55:17,959 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 03:55:17,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-8.i [2025-03-17 03:55:19,126 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5eb5056f/4df080b9c6c047bca21016704b581c2e/FLAGe15a4cd51 [2025-03-17 03:55:19,376 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 03:55:19,380 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-8.i [2025-03-17 03:55:19,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5eb5056f/4df080b9c6c047bca21016704b581c2e/FLAGe15a4cd51 [2025-03-17 03:55:19,691 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5eb5056f/4df080b9c6c047bca21016704b581c2e [2025-03-17 03:55:19,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 03:55:19,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 03:55:19,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 03:55:19,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 03:55:19,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 03:55:19,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:19,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e42eceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19, skipping insertion in model container [2025-03-17 03:55:19,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:19,719 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 03:55:19,806 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-8.i[914,927] [2025-03-17 03:55:19,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 03:55:19,853 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 03:55:19,861 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-8.i[914,927] [2025-03-17 03:55:19,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 03:55:19,896 INFO L204 MainTranslator]: Completed translation [2025-03-17 03:55:19,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19 WrapperNode [2025-03-17 03:55:19,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 03:55:19,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 03:55:19,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 03:55:19,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 03:55:19,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:19,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:19,949 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2025-03-17 03:55:19,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 03:55:19,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 03:55:19,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 03:55:19,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 03:55:19,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:19,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:19,964 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:19,983 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]. [2025-03-17 03:55:19,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:19,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:19,991 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:19,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:19,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:19,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:20,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 03:55:20,006 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 03:55:20,006 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 03:55:20,007 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 03:55:20,007 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19" (1/1) ... [2025-03-17 03:55:20,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 03:55:20,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 03:55:20,032 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) [2025-03-17 03:55:20,034 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 [2025-03-17 03:55:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 03:55:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 03:55:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 03:55:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 03:55:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 03:55:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 03:55:20,104 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 03:55:20,106 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 03:55:20,405 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 03:55:20,405 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 03:55:20,415 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 03:55:20,418 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 03:55:20,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:55:20 BoogieIcfgContainer [2025-03-17 03:55:20,419 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 03:55:20,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 03:55:20,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 03:55:20,424 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 03:55:20,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:55:19" (1/3) ... [2025-03-17 03:55:20,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474615b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:55:20, skipping insertion in model container [2025-03-17 03:55:20,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:19" (2/3) ... [2025-03-17 03:55:20,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474615b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:55:20, skipping insertion in model container [2025-03-17 03:55:20,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:55:20" (3/3) ... [2025-03-17 03:55:20,427 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-8.i [2025-03-17 03:55:20,438 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 03:55:20,440 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-8.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 03:55:20,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 03:55:20,491 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;@5ddeebe8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 03:55:20,491 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 03:55:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 35 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-17 03:55:20,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-17 03:55:20,502 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 03:55:20,503 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 03:55:20,503 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 03:55:20,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 03:55:20,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1049403796, now seen corresponding path program 1 times [2025-03-17 03:55:20,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 03:55:20,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727197688] [2025-03-17 03:55:20,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:55:20,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 03:55:20,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 03:55:20,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 03:55:20,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:55:20,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:55:20,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-03-17 03:55:20,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 03:55:20,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727197688] [2025-03-17 03:55:20,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727197688] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 03:55:20,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636422369] [2025-03-17 03:55:20,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:55:20,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 03:55:20,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 03:55:20,780 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 03:55:20,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 03:55:20,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 03:55:20,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 03:55:20,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:55:20,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:55:20,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 03:55:20,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 03:55:20,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-03-17 03:55:20,960 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 03:55:20,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636422369] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 03:55:20,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 03:55:20,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 03:55:20,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890635203] [2025-03-17 03:55:20,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 03:55:20,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 03:55:20,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 03:55:20,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 03:55:20,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 03:55:20,983 INFO L87 Difference]: Start difference. First operand has 60 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 35 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-17 03:55:21,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 03:55:21,003 INFO L93 Difference]: Finished difference Result 119 states and 214 transitions. [2025-03-17 03:55:21,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 03:55:21,005 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2025-03-17 03:55:21,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 03:55:21,010 INFO L225 Difference]: With dead ends: 119 [2025-03-17 03:55:21,011 INFO L226 Difference]: Without dead ends: 58 [2025-03-17 03:55:21,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 03:55:21,015 INFO L435 NwaCegarLoop]: 93 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, 93 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 [2025-03-17 03:55:21,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 03:55:21,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-03-17 03:55:21,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2025-03-17 03:55:21,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 33 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-17 03:55:21,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 91 transitions. [2025-03-17 03:55:21,050 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 91 transitions. Word has length 139 [2025-03-17 03:55:21,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 03:55:21,051 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 91 transitions. [2025-03-17 03:55:21,051 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-17 03:55:21,051 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2025-03-17 03:55:21,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-17 03:55:21,055 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 03:55:21,055 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 03:55:21,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 03:55:21,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 03:55:21,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 03:55:21,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 03:55:21,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1587335953, now seen corresponding path program 1 times [2025-03-17 03:55:21,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 03:55:21,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819233633] [2025-03-17 03:55:21,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:55:21,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 03:55:21,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 03:55:21,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 03:55:21,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:55:21,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:55:22,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-03-17 03:55:22,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 03:55:22,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819233633] [2025-03-17 03:55:22,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819233633] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 03:55:22,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366599800] [2025-03-17 03:55:22,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:55:22,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 03:55:22,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 03:55:22,243 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 03:55:22,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 03:55:22,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 03:55:22,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 03:55:22,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:55:22,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:55:22,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-17 03:55:22,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 03:55:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2025-03-17 03:55:22,836 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 03:55:22,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366599800] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 03:55:22,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 03:55:22,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 15 [2025-03-17 03:55:22,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160882932] [2025-03-17 03:55:22,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 03:55:22,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 03:55:22,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 03:55:22,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 03:55:22,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2025-03-17 03:55:22,839 INFO L87 Difference]: Start difference. First operand 58 states and 91 transitions. Second operand has 11 states, 11 states have (on average 3.0) internal successors, (33), 9 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-17 03:55:24,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 03:55:24,006 INFO L93 Difference]: Finished difference Result 383 states and 573 transitions. [2025-03-17 03:55:24,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-03-17 03:55:24,006 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 9 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2025-03-17 03:55:24,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 03:55:24,009 INFO L225 Difference]: With dead ends: 383 [2025-03-17 03:55:24,009 INFO L226 Difference]: Without dead ends: 326 [2025-03-17 03:55:24,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 134 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=443, Invalid=1627, Unknown=0, NotChecked=0, Total=2070 [2025-03-17 03:55:24,011 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 352 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 03:55:24,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 474 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 03:55:24,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-03-17 03:55:24,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 188. [2025-03-17 03:55:24,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 111 states have internal predecessors, (148), 69 states have call successors, (69), 7 states have call predecessors, (69), 7 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-03-17 03:55:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 286 transitions. [2025-03-17 03:55:24,083 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 286 transitions. Word has length 139 [2025-03-17 03:55:24,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 03:55:24,084 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 286 transitions. [2025-03-17 03:55:24,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 9 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-17 03:55:24,084 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 286 transitions. [2025-03-17 03:55:24,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-17 03:55:24,087 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 03:55:24,088 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 03:55:24,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 03:55:24,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-17 03:55:24,289 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 03:55:24,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 03:55:24,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1586412432, now seen corresponding path program 1 times [2025-03-17 03:55:24,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 03:55:24,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143321848] [2025-03-17 03:55:24,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:55:24,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 03:55:24,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 03:55:24,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 03:55:24,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:55:24,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 03:55:24,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [973860005] [2025-03-17 03:55:24,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:55:24,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 03:55:24,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 03:55:24,373 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 03:55:24,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 03:55:24,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 03:55:24,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 03:55:24,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:55:24,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 03:55:24,574 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 03:55:24,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 03:55:24,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 03:55:24,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:55:24,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 03:55:24,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 03:55:24,660 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 03:55:24,661 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 03:55:24,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 03:55:24,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 03:55:24,865 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-17 03:55:24,935 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 03:55:24,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:55:24 BoogieIcfgContainer [2025-03-17 03:55:24,938 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 03:55:24,938 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 03:55:24,938 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 03:55:24,938 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 03:55:24,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:55:20" (3/4) ... [2025-03-17 03:55:24,941 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 03:55:24,942 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 03:55:24,942 INFO L158 Benchmark]: Toolchain (without parser) took 5247.19ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 81.5MB in the end (delta: 40.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2025-03-17 03:55:24,942 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 03:55:24,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.92ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 107.8MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 03:55:24,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.42ms. Allocated memory is still 167.8MB. Free memory was 107.8MB in the beginning and 103.4MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 03:55:24,943 INFO L158 Benchmark]: Boogie Preprocessor took 55.55ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 97.0MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 03:55:24,943 INFO L158 Benchmark]: IcfgBuilder took 412.59ms. Allocated memory is still 167.8MB. Free memory was 97.0MB in the beginning and 73.1MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 03:55:24,943 INFO L158 Benchmark]: TraceAbstraction took 4516.95ms. Allocated memory is still 167.8MB. Free memory was 72.0MB in the beginning and 81.5MB in the end (delta: -9.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 03:55:24,943 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 167.8MB. Free memory was 81.5MB in the beginning and 81.5MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 03:55:24,946 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.92ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 107.8MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.42ms. Allocated memory is still 167.8MB. Free memory was 107.8MB in the beginning and 103.4MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.55ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 97.0MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 412.59ms. Allocated memory is still 167.8MB. Free memory was 97.0MB in the beginning and 73.1MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4516.95ms. Allocated memory is still 167.8MB. Free memory was 72.0MB in the beginning and 81.5MB in the end (delta: -9.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 167.8MB. Free memory was 81.5MB in the beginning and 81.5MB in the end (delta: 46.2kB). 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 95, overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 999999999.675; [L23] signed long int var_1_4 = -5; [L24] float var_1_5 = 7.875; [L25] float var_1_6 = 99.04; [L26] signed long int var_1_7 = -2; [L27] unsigned long int var_1_9 = 1; [L28] double var_1_10 = 63.25; [L29] unsigned char var_1_11 = 0; [L30] unsigned short int var_1_13 = 0; [L31] unsigned short int var_1_15 = 17766; [L32] unsigned short int var_1_16 = 28149; [L33] unsigned char var_1_19 = 4; [L34] unsigned char var_1_20 = 50; [L35] unsigned char var_1_21 = 64; [L36] unsigned char var_1_22 = 50; [L37] unsigned char var_1_23 = 5; [L38] unsigned char var_1_24 = 128; [L39] signed long int var_1_25 = -16; [L40] unsigned char var_1_26 = 0; [L41] unsigned short int last_1_var_1_13 = 0; [L134] isInitial = 1 [L135] FCALL initially() [L136] int k_loop; [L137] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-5, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L137] COND TRUE k_loop < 1 [L138] CALL updateLastVariables() [L127] last_1_var_1_13 = var_1_13 [L138] RET updateLastVariables() [L139] CALL updateVariables() [L90] var_1_4 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L91] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L92] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L93] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L94] var_1_5 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L95] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L96] var_1_6 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L97] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L98] var_1_10 = __VERIFIER_nondet_double() [L99] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L99] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L100] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L101] var_1_11 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L102] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L103] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L104] var_1_15 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L105] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L106] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L106] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L107] var_1_16 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L108] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L109] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L110] var_1_20 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_20 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L111] RET assume_abort_if_not(var_1_20 >= 32) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L112] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L113] var_1_21 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_21 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L114] RET assume_abort_if_not(var_1_21 >= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L115] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L116] var_1_22 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L117] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_22 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L118] RET assume_abort_if_not(var_1_22 <= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L119] var_1_23 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L120] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L121] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L122] var_1_24 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_24 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L123] RET assume_abort_if_not(var_1_24 >= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L124] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L139] RET updateVariables() [L140] CALL step() [L45] COND TRUE last_1_var_1_13 == (last_1_var_1_13 % var_1_4) [L46] var_1_1 = (var_1_5 - var_1_6) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=4, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L48] COND FALSE !(var_1_10 == var_1_1) [L55] var_1_19 = var_1_24 VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=127, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L57] COND FALSE !(var_1_19 < (var_1_21 / var_1_20)) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=127, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L64] COND TRUE var_1_1 >= var_1_6 [L65] var_1_7 = var_1_19 VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=127, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=127, var_1_9=1] [L67] COND FALSE !(((var_1_6 * var_1_5) / var_1_10) > var_1_1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=127, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=127, var_1_9=1] [L74] COND FALSE !(var_1_7 < var_1_9) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=127, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=127, var_1_9=1] [L77] COND FALSE !((25.3 * var_1_5) != var_1_1) [L86] var_1_25 = var_1_20 VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=127, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=63, var_1_26=0, var_1_4=-1, var_1_7=127, var_1_9=1] [L140] RET step() [L141] CALL, EXPR property() [L130-L131] return (((((((last_1_var_1_13 == (last_1_var_1_13 % var_1_4)) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : 1) && ((var_1_1 >= var_1_6) ? (var_1_7 == ((signed long int) var_1_19)) : 1)) && ((((var_1_6 * var_1_5) / var_1_10) > var_1_1) ? (var_1_11 ? (var_1_9 == ((unsigned long int) var_1_26)) : (var_1_9 == ((unsigned long int) var_1_26))) : 1)) && ((var_1_7 < var_1_9) ? (var_1_13 == ((unsigned short int) (var_1_26 + (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - (var_1_19 + var_1_19))))) : 1)) && ((var_1_10 == var_1_1) ? (var_1_11 ? (var_1_19 == ((unsigned char) (((32 + var_1_20) + var_1_21) - (var_1_22 + var_1_23)))) : (var_1_19 == ((unsigned char) (var_1_24 - var_1_23)))) : (var_1_19 == ((unsigned char) var_1_24)))) && (((25.3 * var_1_5) != var_1_1) ? (var_1_11 ? ((var_1_15 <= var_1_13) ? (var_1_25 == ((signed long int) var_1_26)) : 1) : (var_1_25 == ((signed long int) var_1_22))) : (var_1_25 == ((signed long int) var_1_20)))) && ((var_1_19 < (var_1_21 / var_1_20)) ? ((var_1_19 > var_1_19) ? (var_1_26 == ((unsigned char) ((((((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) > (var_1_23)) ? (((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) : (var_1_23))))) : (var_1_26 == ((unsigned char) var_1_22))) : 1) ; [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=127, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=63, var_1_26=0, var_1_4=-1, var_1_7=127, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16384, var_1_16=16383, var_1_19=127, var_1_20=-193, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=127, var_1_25=63, var_1_26=0, var_1_4=-1, var_1_7=127, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 119 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 375 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 352 mSDsluCounter, 567 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 371 mSDsCounter, 224 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 637 IncrementalHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 224 mSolverCounterUnsat, 196 mSDtfsCounter, 637 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 319 GetRequests, 274 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=2, InterpolantAutomatonStates: 44, 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, 2 MinimizatonAttempts, 138 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 834 NumberOfCodeBlocks, 834 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 552 ConstructedInterpolants, 0 QuantifiedInterpolants, 1150 SizeOfPredicates, 4 NumberOfNonLiveVariables, 636 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 4001/4048 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-17 03:55:24,964 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/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-8.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 53e7ff7bd6ec2503a9bc31bbebbfd68a26b18495b52d009e0e4e959aee5ed186 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 03:55:26,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 03:55:26,900 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-17 03:55:26,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 03:55:26,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 03:55:26,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 03:55:26,924 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 03:55:26,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 03:55:26,924 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 03:55:26,924 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 03:55:26,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 03:55:26,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 03:55:26,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 03:55:26,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 03:55:26,924 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 03:55:26,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 03:55:26,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 03:55:26,926 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 03:55:26,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 03:55:26,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 03:55:26,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 03:55:26,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 03:55:26,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 03:55:26,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 03:55:26,926 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 03:55:26,927 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 03:55:26,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 03:55:26,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 03:55:26,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 03:55:26,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 03:55:26,928 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 53e7ff7bd6ec2503a9bc31bbebbfd68a26b18495b52d009e0e4e959aee5ed186 [2025-03-17 03:55:27,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 03:55:27,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 03:55:27,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 03:55:27,203 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 03:55:27,203 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 03:55:27,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-8.i [2025-03-17 03:55:28,468 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a39d80970/bd42a72b41274392b040c7d9157c8c63/FLAG32f7c647a [2025-03-17 03:55:28,694 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 03:55:28,695 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-8.i [2025-03-17 03:55:28,701 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a39d80970/bd42a72b41274392b040c7d9157c8c63/FLAG32f7c647a [2025-03-17 03:55:29,044 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a39d80970/bd42a72b41274392b040c7d9157c8c63 [2025-03-17 03:55:29,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 03:55:29,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 03:55:29,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 03:55:29,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 03:55:29,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 03:55:29,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6c4b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29, skipping insertion in model container [2025-03-17 03:55:29,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,070 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 03:55:29,177 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-8.i[914,927] [2025-03-17 03:55:29,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 03:55:29,231 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 03:55:29,240 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-8.i[914,927] [2025-03-17 03:55:29,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 03:55:29,284 INFO L204 MainTranslator]: Completed translation [2025-03-17 03:55:29,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29 WrapperNode [2025-03-17 03:55:29,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 03:55:29,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 03:55:29,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 03:55:29,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 03:55:29,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,332 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2025-03-17 03:55:29,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 03:55:29,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 03:55:29,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 03:55:29,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 03:55:29,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,357 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]. [2025-03-17 03:55:29,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,372 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 03:55:29,390 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 03:55:29,390 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 03:55:29,390 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 03:55:29,391 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29" (1/1) ... [2025-03-17 03:55:29,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 03:55:29,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 03:55:29,419 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) [2025-03-17 03:55:29,422 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 [2025-03-17 03:55:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 03:55:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 03:55:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 03:55:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 03:55:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 03:55:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 03:55:29,497 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 03:55:29,499 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 03:55:51,909 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 03:55:51,910 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 03:55:51,918 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 03:55:51,919 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 03:55:51,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:55:51 BoogieIcfgContainer [2025-03-17 03:55:51,919 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 03:55:51,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 03:55:51,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 03:55:51,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 03:55:51,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:55:29" (1/3) ... [2025-03-17 03:55:51,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ec1c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:55:51, skipping insertion in model container [2025-03-17 03:55:51,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:55:29" (2/3) ... [2025-03-17 03:55:51,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ec1c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:55:51, skipping insertion in model container [2025-03-17 03:55:51,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:55:51" (3/3) ... [2025-03-17 03:55:51,927 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-8.i [2025-03-17 03:55:51,937 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 03:55:51,938 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-8.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 03:55:51,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 03:55:51,985 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;@51ff908a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 03:55:51,986 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 03:55:51,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 35 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-17 03:55:51,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-17 03:55:52,000 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 03:55:52,000 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 03:55:52,001 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 03:55:52,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 03:55:52,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1049403796, now seen corresponding path program 1 times [2025-03-17 03:55:52,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 03:55:52,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365054359] [2025-03-17 03:55:52,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:55:52,014 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 [2025-03-17 03:55:52,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 03:55:52,016 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) [2025-03-17 03:55:52,018 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 [2025-03-17 03:55:52,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 03:55:53,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 03:55:53,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:55:53,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:55:53,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 03:55:53,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 03:55:53,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2025-03-17 03:55:53,154 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 03:55:53,154 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 03:55:53,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365054359] [2025-03-17 03:55:53,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365054359] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 03:55:53,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 03:55:53,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 03:55:53,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347205918] [2025-03-17 03:55:53,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 03:55:53,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 03:55:53,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 03:55:53,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 03:55:53,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 03:55:53,177 INFO L87 Difference]: Start difference. First operand has 60 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 35 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-17 03:55:53,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 03:55:53,200 INFO L93 Difference]: Finished difference Result 119 states and 214 transitions. [2025-03-17 03:55:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 03:55:53,202 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2025-03-17 03:55:53,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 03:55:53,207 INFO L225 Difference]: With dead ends: 119 [2025-03-17 03:55:53,207 INFO L226 Difference]: Without dead ends: 58 [2025-03-17 03:55:53,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 03:55:53,214 INFO L435 NwaCegarLoop]: 93 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, 93 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 [2025-03-17 03:55:53,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 03:55:53,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-03-17 03:55:53,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2025-03-17 03:55:53,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 33 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-17 03:55:53,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 91 transitions. [2025-03-17 03:55:53,254 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 91 transitions. Word has length 139 [2025-03-17 03:55:53,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 03:55:53,255 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 91 transitions. [2025-03-17 03:55:53,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-17 03:55:53,256 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2025-03-17 03:55:53,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-17 03:55:53,259 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 03:55:53,259 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 03:55:53,292 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 [2025-03-17 03:55:53,464 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 [2025-03-17 03:55:53,464 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 03:55:53,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 03:55:53,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1587335953, now seen corresponding path program 1 times [2025-03-17 03:55:53,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 03:55:53,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537064917] [2025-03-17 03:55:53,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:55:53,465 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 [2025-03-17 03:55:53,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 03:55:53,469 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) [2025-03-17 03:55:53,470 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 [2025-03-17 03:55:53,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 03:55:54,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 03:55:54,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:55:54,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:55:54,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 03:55:54,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 03:56:02,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2025-03-17 03:56:02,279 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 03:56:04,221 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 03:56:04,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537064917] [2025-03-17 03:56:04,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1537064917] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 03:56:04,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1642405387] [2025-03-17 03:56:04,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 03:56:04,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-03-17 03:56:04,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2025-03-17 03:56:04,224 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-03-17 03:56:04,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2025-03-17 03:56:04,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-17 03:56:05,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 03:56:05,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 03:56:05,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 03:56:05,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 03:56:05,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 03:56:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2025-03-17 03:56:12,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 03:56:13,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1642405387] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 03:56:13,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 03:56:13,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2025-03-17 03:56:13,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590988447] [2025-03-17 03:56:13,348 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 03:56:13,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 03:56:13,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 03:56:13,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 03:56:13,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-03-17 03:56:13,350 INFO L87 Difference]: Start difference. First operand 58 states and 91 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-17 03:56:25,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-17 03:56:29,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-17 03:56:33,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-17 03:56:37,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-17 03:56:41,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-17 03:56:45,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-17 03:56:49,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-17 03:56:53,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-17 03:56:57,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []