./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 5cf74ef8157d1079554651ff4df98a0c43f2734563c7187d0bdfddb4deb62355 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 02:50:29,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 02:50:29,653 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 02:50:29,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 02:50:29,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 02:50:29,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 02:50:29,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 02:50:29,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 02:50:29,694 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 02:50:29,694 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 02:50:29,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 02:50:29,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 02:50:29,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 02:50:29,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 02:50:29,695 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 02:50:29,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 02:50:29,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 02:50:29,696 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 02:50:29,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 02:50:29,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 02:50:29,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 02:50:29,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 02:50:29,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 02:50:29,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 02:50:29,697 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 02:50:29,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 02:50:29,697 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 02:50:29,697 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 02:50:29,697 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 02:50:29,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 02:50:29,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 02:50:29,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 02:50:29,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:50:29,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 02:50:29,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 02:50:29,697 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 02:50:29,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 02:50:29,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 02:50:29,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 02:50:29,698 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 02:50:29,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 02:50:29,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 02:50:29,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 02:50:29,698 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-jdk21/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 -> 5cf74ef8157d1079554651ff4df98a0c43f2734563c7187d0bdfddb4deb62355 [2025-02-06 02:50:29,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 02:50:29,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 02:50:29,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 02:50:29,985 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 02:50:29,985 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 02:50:29,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i [2025-02-06 02:50:31,381 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f62f6ba2d/8757d8f837cf42e8b0989af77b961f0c/FLAG139edc1ee [2025-02-06 02:50:31,704 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 02:50:31,706 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i [2025-02-06 02:50:31,727 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f62f6ba2d/8757d8f837cf42e8b0989af77b961f0c/FLAG139edc1ee [2025-02-06 02:50:31,748 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f62f6ba2d/8757d8f837cf42e8b0989af77b961f0c [2025-02-06 02:50:31,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 02:50:31,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 02:50:31,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 02:50:31,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 02:50:31,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 02:50:31,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:50:31" (1/1) ... [2025-02-06 02:50:31,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d663d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:31, skipping insertion in model container [2025-02-06 02:50:31,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:50:31" (1/1) ... [2025-02-06 02:50:31,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 02:50:31,914 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i[915,928] [2025-02-06 02:50:31,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:50:31,996 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 02:50:32,009 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i[915,928] [2025-02-06 02:50:32,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:50:32,072 INFO L204 MainTranslator]: Completed translation [2025-02-06 02:50:32,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32 WrapperNode [2025-02-06 02:50:32,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 02:50:32,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 02:50:32,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 02:50:32,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 02:50:32,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32" (1/1) ... [2025-02-06 02:50:32,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32" (1/1) ... [2025-02-06 02:50:32,140 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2025-02-06 02:50:32,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 02:50:32,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 02:50:32,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 02:50:32,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 02:50:32,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32" (1/1) ... [2025-02-06 02:50:32,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32" (1/1) ... [2025-02-06 02:50:32,154 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32" (1/1) ... [2025-02-06 02:50:32,175 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]. [2025-02-06 02:50:32,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32" (1/1) ... [2025-02-06 02:50:32,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32" (1/1) ... [2025-02-06 02:50:32,187 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32" (1/1) ... [2025-02-06 02:50:32,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32" (1/1) ... [2025-02-06 02:50:32,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32" (1/1) ... [2025-02-06 02:50:32,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32" (1/1) ... [2025-02-06 02:50:32,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 02:50:32,202 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 02:50:32,202 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 02:50:32,202 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 02:50:32,203 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32" (1/1) ... [2025-02-06 02:50:32,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:50:32,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 02:50:32,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 02:50:32,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 02:50:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 02:50:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 02:50:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 02:50:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 02:50:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 02:50:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 02:50:32,333 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 02:50:32,335 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 02:50:32,672 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-02-06 02:50:32,672 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 02:50:32,685 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 02:50:32,688 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 02:50:32,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:50:32 BoogieIcfgContainer [2025-02-06 02:50:32,689 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 02:50:32,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 02:50:32,691 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 02:50:32,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 02:50:32,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:50:31" (1/3) ... [2025-02-06 02:50:32,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7193d185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:50:32, skipping insertion in model container [2025-02-06 02:50:32,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:32" (2/3) ... [2025-02-06 02:50:32,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7193d185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:50:32, skipping insertion in model container [2025-02-06 02:50:32,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:50:32" (3/3) ... [2025-02-06 02:50:32,699 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-37.i [2025-02-06 02:50:32,716 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 02:50:32,718 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-37.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 02:50:32,778 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 02:50:32,792 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;@1be45473, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 02:50:32,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 02:50:32,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 02:50:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-02-06 02:50:32,808 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:50:32,809 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:50:32,810 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:50:32,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:50:32,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1776503744, now seen corresponding path program 1 times [2025-02-06 02:50:32,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 02:50:32,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830034386] [2025-02-06 02:50:32,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:50:32,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 02:50:32,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 02:50:32,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 02:50:32,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:50:32,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:50:33,104 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2025-02-06 02:50:33,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 02:50:33,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830034386] [2025-02-06 02:50:33,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830034386] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 02:50:33,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553433587] [2025-02-06 02:50:33,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:50:33,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 02:50:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 02:50:33,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 02:50:33,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 02:50:33,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 02:50:33,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 02:50:33,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:50:33,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:50:33,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 02:50:33,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 02:50:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2025-02-06 02:50:33,307 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 02:50:33,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553433587] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 02:50:33,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 02:50:33,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 02:50:33,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592071721] [2025-02-06 02:50:33,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 02:50:33,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 02:50:33,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 02:50:33,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 02:50:33,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:50:33,334 INFO L87 Difference]: Start difference. First operand has 62 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2025-02-06 02:50:33,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 02:50:33,361 INFO L93 Difference]: Finished difference Result 118 states and 201 transitions. [2025-02-06 02:50:33,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 02:50:33,363 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2025-02-06 02:50:33,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 02:50:33,369 INFO L225 Difference]: With dead ends: 118 [2025-02-06 02:50:33,370 INFO L226 Difference]: Without dead ends: 59 [2025-02-06 02:50:33,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:50:33,378 INFO L435 NwaCegarLoop]: 87 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, 87 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 [2025-02-06 02:50:33,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 02:50:33,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-02-06 02:50:33,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2025-02-06 02:50:33,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 02:50:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2025-02-06 02:50:33,417 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 129 [2025-02-06 02:50:33,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 02:50:33,417 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2025-02-06 02:50:33,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2025-02-06 02:50:33,417 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2025-02-06 02:50:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-02-06 02:50:33,420 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:50:33,420 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:50:33,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 02:50:33,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 02:50:33,621 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:50:33,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:50:33,622 INFO L85 PathProgramCache]: Analyzing trace with hash 180078494, now seen corresponding path program 1 times [2025-02-06 02:50:33,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 02:50:33,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727945564] [2025-02-06 02:50:33,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:50:33,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 02:50:33,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 02:50:33,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 02:50:33,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:50:33,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 02:50:33,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1603376891] [2025-02-06 02:50:33,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:50:33,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 02:50:33,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 02:50:33,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 02:50:33,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 02:50:33,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 02:50:34,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 02:50:34,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:50:34,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 02:50:34,101 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 02:50:34,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 02:50:34,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 02:50:34,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:50:34,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 02:50:34,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 02:50:34,238 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 02:50:34,239 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 02:50:34,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 02:50:34,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 02:50:34,444 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 02:50:34,540 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 02:50:34,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 02:50:34 BoogieIcfgContainer [2025-02-06 02:50:34,544 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 02:50:34,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 02:50:34,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 02:50:34,545 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 02:50:34,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:50:32" (3/4) ... [2025-02-06 02:50:34,547 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 02:50:34,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 02:50:34,548 INFO L158 Benchmark]: Toolchain (without parser) took 2796.63ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 48.3MB in the end (delta: 66.0MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2025-02-06 02:50:34,548 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:50:34,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.25ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 99.9MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 02:50:34,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.98ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 96.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:50:34,549 INFO L158 Benchmark]: Boogie Preprocessor took 60.57ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 92.6MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:50:34,549 INFO L158 Benchmark]: IcfgBuilder took 487.07ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 71.7MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 02:50:34,550 INFO L158 Benchmark]: TraceAbstraction took 1853.15ms. Allocated memory is still 142.6MB. Free memory was 70.8MB in the beginning and 48.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2025-02-06 02:50:34,550 INFO L158 Benchmark]: Witness Printer took 2.88ms. Allocated memory is still 142.6MB. Free memory was 48.3MB in the beginning and 48.3MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:50:34,552 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.25ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 99.9MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.98ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 96.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.57ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 92.6MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 487.07ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 71.7MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1853.15ms. Allocated memory is still 142.6MB. Free memory was 70.8MB in the beginning and 48.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Witness Printer took 2.88ms. Allocated memory is still 142.6MB. Free memory was 48.3MB in the beginning and 48.3MB in the end (delta: 27.1kB). 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 130, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 109, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 111, overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 256; [L23] unsigned short int var_1_2 = 51640; [L24] unsigned short int var_1_3 = 5; [L25] float var_1_7 = 128.8; [L26] unsigned char var_1_8 = 2; [L27] float var_1_9 = 256.5; [L28] float var_1_10 = 7.25; [L29] signed char var_1_11 = 64; [L30] signed char var_1_12 = -16; [L31] double var_1_13 = 0.9; [L32] unsigned char var_1_14 = 1; [L33] double var_1_15 = 0.0; [L34] double var_1_16 = 1.275; [L35] unsigned short int var_1_17 = 8; [L36] unsigned short int var_1_18 = 35331; [L37] signed char var_1_19 = -128; [L38] double var_1_20 = 0.0; [L39] double var_1_21 = 0.0; [L40] signed char var_1_22 = -8; [L41] float last_1_var_1_10 = 7.25; [L42] double last_1_var_1_13 = 0.9; [L43] unsigned short int last_1_var_1_17 = 8; [L44] signed char last_1_var_1_19 = -128; VAL [isInitial=0, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=51640, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] CALL updateLastVariables() [L124] last_1_var_1_10 = var_1_10 [L125] last_1_var_1_13 = var_1_13 [L126] last_1_var_1_17 = var_1_17 [L127] last_1_var_1_19 = var_1_19 VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=51640, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L137] RET updateLastVariables() [L138] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L91] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L92] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L92] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L93] var_1_3 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L94] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L95] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L95] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L96] var_1_8 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_9=513/2] [L97] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_9=513/2] [L98] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_9=513/2] [L98] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_9=513/2] [L99] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3, var_1_9=513/2] [L99] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3, var_1_9=513/2] [L100] var_1_9 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L101] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L102] var_1_12 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L103] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L104] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L104] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L105] var_1_14 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L106] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L107] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L107] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L108] var_1_15 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L109] RET assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L110] var_1_16 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L111] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L112] var_1_18 = __VERIFIER_nondet_ushort() [L113] CALL assume_abort_if_not(var_1_18 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L113] RET assume_abort_if_not(var_1_18 >= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L114] CALL assume_abort_if_not(var_1_18 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L114] RET assume_abort_if_not(var_1_18 <= 65534) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L115] var_1_20 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L116] RET assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L117] var_1_21 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L118] RET assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L119] var_1_22 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_22 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L120] RET assume_abort_if_not(var_1_22 >= -127) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L121] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L121] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L138] RET updateVariables() [L139] CALL step() [L48] signed long int stepLocal_2 = var_1_3 + last_1_var_1_19; VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-127, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L49] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-127, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=-128, var_1_1=256, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L60] COND TRUE var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16)) [L61] var_1_19 = ((((var_1_12) > (var_1_22)) ? (var_1_12) : (var_1_22))) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-127, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-32769, var_1_19=97, var_1_1=256, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L65] var_1_17 = (var_1_18 - var_1_3) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-127, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=32766, var_1_18=-32769, var_1_19=97, var_1_1=256, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3] [L66] COND TRUE (var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10) [L67] var_1_10 = var_1_9 VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-127, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=32766, var_1_18=-32769, var_1_19=97, var_1_1=256, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3, var_1_9=2] [L69] COND FALSE !(var_1_10 >= var_1_10) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-127, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=32766, var_1_18=-32769, var_1_19=97, var_1_1=256, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3, var_1_9=2] [L74] COND TRUE (var_1_2 - var_1_3) > var_1_17 [L75] var_1_1 = (((((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) < (var_1_17)) ? ((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) : (var_1_17))) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=-127, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=32766, var_1_18=-32769, var_1_19=97, var_1_1=65, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3, var_1_9=2] [L79] signed long int stepLocal_1 = var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2))); [L80] unsigned short int stepLocal_0 = var_1_3; VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=1, stepLocal_1=32, stepLocal_2=-127, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=32766, var_1_18=-32769, var_1_19=97, var_1_1=65, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3, var_1_9=2] [L81] COND FALSE !((var_1_19 / var_1_8) < stepLocal_1) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=1, stepLocal_2=-127, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=32766, var_1_18=-32769, var_1_19=97, var_1_1=65, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3, var_1_9=2] [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return ((((((((var_1_2 - var_1_3) > var_1_17) ? (var_1_1 == ((signed long int) (((((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) < (var_1_17)) ? ((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) : (var_1_17))))) : (var_1_1 == ((signed long int) 0))) && (((var_1_19 / var_1_8) < (var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2))))) ? ((var_1_1 >= var_1_3) ? (var_1_7 == ((float) 0.75f)) : (var_1_7 == ((float) var_1_9))) : 1)) && (((var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10)) ? (var_1_10 == ((float) var_1_9)) : 1)) && ((var_1_10 >= var_1_10) ? ((var_1_9 < var_1_10) ? (var_1_11 == ((signed char) var_1_12)) : 1) : 1)) && (var_1_14 ? ((last_1_var_1_13 <= var_1_9) ? (var_1_13 == ((double) var_1_9)) : ((((((last_1_var_1_17) < ((var_1_2 * last_1_var_1_17))) ? (last_1_var_1_17) : ((var_1_2 * last_1_var_1_17)))) == (var_1_3 + last_1_var_1_19)) ? (var_1_13 == ((double) 8.75)) : (var_1_13 == ((double) (16.5 + ((var_1_15 - 49.35) - var_1_16)))))) : 1)) && (var_1_17 == ((unsigned short int) (var_1_18 - var_1_3)))) && ((var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16))) ? (var_1_19 == ((signed char) ((((var_1_12) > (var_1_22)) ? (var_1_12) : (var_1_22))))) : (var_1_19 == ((signed char) var_1_12))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=32766, var_1_18=-32769, var_1_19=97, var_1_1=65, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3, var_1_9=2] [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=32766, var_1_18=-32769, var_1_19=97, var_1_1=65, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=32766, var_1_18=-32769, var_1_19=97, var_1_1=65, var_1_22=97, var_1_2=32768, var_1_3=1, var_1_7=644/5, var_1_8=3, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 87 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 516 NumberOfCodeBlocks, 516 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 307 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1482/1520 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 [2025-02-06 02:50:34,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 5cf74ef8157d1079554651ff4df98a0c43f2734563c7187d0bdfddb4deb62355 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 02:50:36,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 02:50:36,997 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 02:50:37,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 02:50:37,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 02:50:37,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 02:50:37,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 02:50:37,026 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 02:50:37,026 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 02:50:37,027 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 02:50:37,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 02:50:37,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 02:50:37,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 02:50:37,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 02:50:37,027 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 02:50:37,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 02:50:37,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 02:50:37,028 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 02:50:37,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 02:50:37,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 02:50:37,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 02:50:37,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 02:50:37,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 02:50:37,029 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 02:50:37,029 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 02:50:37,029 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 02:50:37,029 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 02:50:37,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 02:50:37,029 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 02:50:37,029 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 02:50:37,029 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 02:50:37,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 02:50:37,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 02:50:37,030 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 02:50:37,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:50:37,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 02:50:37,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 02:50:37,030 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 02:50:37,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 02:50:37,031 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 02:50:37,031 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 02:50:37,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 02:50:37,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 02:50:37,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 02:50:37,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 02:50:37,031 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-jdk21/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 -> 5cf74ef8157d1079554651ff4df98a0c43f2734563c7187d0bdfddb4deb62355 [2025-02-06 02:50:37,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 02:50:37,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 02:50:37,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 02:50:37,315 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 02:50:37,316 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 02:50:37,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i [2025-02-06 02:50:38,635 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ec976724/0bc7142f90eb4e7ab06e37df5645be9d/FLAG7901686a0 [2025-02-06 02:50:38,871 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 02:50:38,872 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i [2025-02-06 02:50:38,880 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ec976724/0bc7142f90eb4e7ab06e37df5645be9d/FLAG7901686a0 [2025-02-06 02:50:38,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ec976724/0bc7142f90eb4e7ab06e37df5645be9d [2025-02-06 02:50:38,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 02:50:38,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 02:50:38,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 02:50:38,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 02:50:38,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 02:50:38,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:50:38" (1/1) ... [2025-02-06 02:50:38,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16936fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:38, skipping insertion in model container [2025-02-06 02:50:38,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:50:38" (1/1) ... [2025-02-06 02:50:38,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 02:50:39,061 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i[915,928] [2025-02-06 02:50:39,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:50:39,154 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 02:50:39,166 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i[915,928] [2025-02-06 02:50:39,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:50:39,223 INFO L204 MainTranslator]: Completed translation [2025-02-06 02:50:39,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39 WrapperNode [2025-02-06 02:50:39,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 02:50:39,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 02:50:39,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 02:50:39,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 02:50:39,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39" (1/1) ... [2025-02-06 02:50:39,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39" (1/1) ... [2025-02-06 02:50:39,274 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2025-02-06 02:50:39,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 02:50:39,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 02:50:39,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 02:50:39,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 02:50:39,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39" (1/1) ... [2025-02-06 02:50:39,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39" (1/1) ... [2025-02-06 02:50:39,293 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39" (1/1) ... [2025-02-06 02:50:39,312 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]. [2025-02-06 02:50:39,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39" (1/1) ... [2025-02-06 02:50:39,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39" (1/1) ... [2025-02-06 02:50:39,321 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39" (1/1) ... [2025-02-06 02:50:39,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39" (1/1) ... [2025-02-06 02:50:39,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39" (1/1) ... [2025-02-06 02:50:39,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39" (1/1) ... [2025-02-06 02:50:39,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 02:50:39,329 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 02:50:39,329 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 02:50:39,329 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 02:50:39,330 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39" (1/1) ... [2025-02-06 02:50:39,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:50:39,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 02:50:39,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 02:50:39,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 02:50:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 02:50:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 02:50:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 02:50:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 02:50:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 02:50:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 02:50:39,503 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 02:50:39,505 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 02:50:54,879 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-02-06 02:50:54,879 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 02:50:54,889 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 02:50:54,890 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 02:50:54,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:50:54 BoogieIcfgContainer [2025-02-06 02:50:54,892 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 02:50:54,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 02:50:54,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 02:50:54,898 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 02:50:54,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:50:38" (1/3) ... [2025-02-06 02:50:54,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7776e2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:50:54, skipping insertion in model container [2025-02-06 02:50:54,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:50:39" (2/3) ... [2025-02-06 02:50:54,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7776e2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:50:54, skipping insertion in model container [2025-02-06 02:50:54,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:50:54" (3/3) ... [2025-02-06 02:50:54,902 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-37.i [2025-02-06 02:50:54,914 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 02:50:54,916 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-37.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 02:50:54,978 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 02:50:54,990 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;@2f27e1ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 02:50:54,992 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 02:50:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 02:50:55,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-02-06 02:50:55,009 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:50:55,010 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:50:55,010 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:50:55,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:50:55,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1776503744, now seen corresponding path program 1 times [2025-02-06 02:50:55,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 02:50:55,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437538233] [2025-02-06 02:50:55,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:50:55,033 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 [2025-02-06 02:50:55,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 02:50:55,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-02-06 02:50:55,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-06 02:50:55,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 02:50:55,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 02:50:55,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:50:55,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:50:55,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 02:50:55,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 02:50:55,681 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2025-02-06 02:50:55,682 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 02:50:55,682 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 02:50:55,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [437538233] [2025-02-06 02:50:55,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [437538233] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 02:50:55,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 02:50:55,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 02:50:55,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577690851] [2025-02-06 02:50:55,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 02:50:55,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 02:50:55,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 02:50:55,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 02:50:55,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:50:55,714 INFO L87 Difference]: Start difference. First operand has 62 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-02-06 02:50:55,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 02:50:55,740 INFO L93 Difference]: Finished difference Result 118 states and 201 transitions. [2025-02-06 02:50:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 02:50:55,742 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2025-02-06 02:50:55,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 02:50:55,748 INFO L225 Difference]: With dead ends: 118 [2025-02-06 02:50:55,748 INFO L226 Difference]: Without dead ends: 59 [2025-02-06 02:50:55,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:50:55,753 INFO L435 NwaCegarLoop]: 87 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, 87 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 [2025-02-06 02:50:55,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 02:50:55,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-02-06 02:50:55,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2025-02-06 02:50:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 02:50:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2025-02-06 02:50:55,799 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 129 [2025-02-06 02:50:55,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 02:50:55,800 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2025-02-06 02:50:55,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-02-06 02:50:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2025-02-06 02:50:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-02-06 02:50:55,806 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:50:55,806 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:50:55,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-06 02:50:56,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-02-06 02:50:56,008 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:50:56,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:50:56,008 INFO L85 PathProgramCache]: Analyzing trace with hash 180078494, now seen corresponding path program 1 times [2025-02-06 02:50:56,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 02:50:56,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429645745] [2025-02-06 02:50:56,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:50:56,010 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 [2025-02-06 02:50:56,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 02:50:56,012 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-02-06 02:50:56,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-06 02:50:56,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 02:50:56,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 02:50:56,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:50:56,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:50:56,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 02:50:56,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 02:51:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 21 proven. 384 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2025-02-06 02:51:02,181 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 02:51:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 21 proven. 36 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2025-02-06 02:51:03,666 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 02:51:03,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429645745] [2025-02-06 02:51:03,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429645745] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 02:51:03,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 02:51:03,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-06 02:51:03,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581628149] [2025-02-06 02:51:03,667 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 02:51:03,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 02:51:03,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 02:51:03,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 02:51:03,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-06 02:51:03,670 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2025-02-06 02:51:10,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 02:51:11,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 02:51:14,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 02:51:16,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 02:51:20,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 02:51:24,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 02:51:28,989 WARN L539 Checker$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 [] [2025-02-06 02:51:28,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 02:51:28,992 INFO L93 Difference]: Finished difference Result 121 states and 176 transitions. [2025-02-06 02:51:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 02:51:29,040 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 129 [2025-02-06 02:51:29,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 02:51:29,042 INFO L225 Difference]: With dead ends: 121 [2025-02-06 02:51:29,042 INFO L226 Difference]: Without dead ends: 65 [2025-02-06 02:51:29,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2025-02-06 02:51:29,043 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 188 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 142 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2025-02-06 02:51:29,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 109 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 148 Invalid, 3 Unknown, 0 Unchecked, 24.1s Time] [2025-02-06 02:51:29,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-02-06 02:51:29,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2025-02-06 02:51:29,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.225) internal successors, (49), 40 states have internal predecessors, (49), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 02:51:29,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 89 transitions. [2025-02-06 02:51:29,057 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 89 transitions. Word has length 129 [2025-02-06 02:51:29,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 02:51:29,058 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 89 transitions. [2025-02-06 02:51:29,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2025-02-06 02:51:29,058 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2025-02-06 02:51:29,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-02-06 02:51:29,061 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:51:29,061 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:51:29,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-02-06 02:51:29,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/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 [2025-02-06 02:51:29,263 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:51:29,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:51:29,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1089504984, now seen corresponding path program 1 times [2025-02-06 02:51:29,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 02:51:29,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657887834] [2025-02-06 02:51:29,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:51:29,265 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 [2025-02-06 02:51:29,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 02:51:29,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/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) [2025-02-06 02:51:29,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-02-06 02:51:29,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-02-06 02:51:29,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-02-06 02:51:29,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:51:29,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:51:29,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 02:51:29,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 02:51:29,851 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2025-02-06 02:51:29,851 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 02:51:29,851 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 02:51:29,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657887834] [2025-02-06 02:51:29,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657887834] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 02:51:29,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 02:51:29,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 02:51:29,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78925709] [2025-02-06 02:51:29,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 02:51:29,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 02:51:29,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 02:51:29,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 02:51:29,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 02:51:29,854 INFO L87 Difference]: Start difference. First operand 63 states and 89 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2025-02-06 02:51:34,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 02:51:34,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 02:51:34,267 INFO L93 Difference]: Finished difference Result 139 states and 197 transitions. [2025-02-06 02:51:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 02:51:34,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2025-02-06 02:51:34,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 02:51:34,269 INFO L225 Difference]: With dead ends: 139 [2025-02-06 02:51:34,269 INFO L226 Difference]: Without dead ends: 79 [2025-02-06 02:51:34,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 02:51:34,270 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 35 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-02-06 02:51:34,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 165 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2025-02-06 02:51:34,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-02-06 02:51:34,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2025-02-06 02:51:34,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-06 02:51:34,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2025-02-06 02:51:34,287 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 130 [2025-02-06 02:51:34,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 02:51:34,287 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2025-02-06 02:51:34,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2025-02-06 02:51:34,287 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2025-02-06 02:51:34,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-02-06 02:51:34,290 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:51:34,290 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:51:34,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2025-02-06 02:51:34,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/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 [2025-02-06 02:51:34,491 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:51:34,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:51:34,491 INFO L85 PathProgramCache]: Analyzing trace with hash 653305351, now seen corresponding path program 1 times [2025-02-06 02:51:34,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 02:51:34,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595569538] [2025-02-06 02:51:34,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:51:34,492 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 [2025-02-06 02:51:34,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 02:51:34,494 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/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) [2025-02-06 02:51:34,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-02-06 02:51:34,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-02-06 02:51:35,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-02-06 02:51:35,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:51:35,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:51:35,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-06 02:51:35,327 INFO L279 TraceCheckSpWp]: Computing forward predicates...