./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f0f0785f7665ff69f705d3a9523d6aab7318d460c58516c4546aa5262d21f76 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 18:58:22,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 18:58:22,714 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 18:58:22,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 18:58:22,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 18:58:22,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 18:58:22,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 18:58:22,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 18:58:22,742 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 18:58:22,743 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 18:58:22,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 18:58:22,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 18:58:22,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 18:58:22,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 18:58:22,744 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 18:58:22,744 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 18:58:22,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 18:58:22,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 18:58:22,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 18:58:22,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 18:58:22,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 18:58:22,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 18:58:22,746 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 18:58:22,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 18:58:22,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 18:58:22,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 18:58:22,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 18:58:22,746 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 18:58:22,746 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 18:58:22,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 18:58:22,746 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f0f0785f7665ff69f705d3a9523d6aab7318d460c58516c4546aa5262d21f76 [2025-03-03 18:58:22,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 18:58:22,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 18:58:22,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 18:58:22,982 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 18:58:22,983 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 18:58:22,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i [2025-03-03 18:58:24,118 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/048aba901/bcd2e8b3315f4b9dbd2fc9a339e514db/FLAG103528fd2 [2025-03-03 18:58:24,390 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 18:58:24,391 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i [2025-03-03 18:58:24,397 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/048aba901/bcd2e8b3315f4b9dbd2fc9a339e514db/FLAG103528fd2 [2025-03-03 18:58:24,411 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/048aba901/bcd2e8b3315f4b9dbd2fc9a339e514db [2025-03-03 18:58:24,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 18:58:24,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 18:58:24,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 18:58:24,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 18:58:24,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 18:58:24,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137ce0fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24, skipping insertion in model container [2025-03-03 18:58:24,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,437 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 18:58:24,545 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i[917,930] [2025-03-03 18:58:24,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 18:58:24,622 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 18:58:24,630 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i[917,930] [2025-03-03 18:58:24,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 18:58:24,680 INFO L204 MainTranslator]: Completed translation [2025-03-03 18:58:24,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24 WrapperNode [2025-03-03 18:58:24,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 18:58:24,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 18:58:24,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 18:58:24,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 18:58:24,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,733 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 169 [2025-03-03 18:58:24,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 18:58:24,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 18:58:24,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 18:58:24,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 18:58:24,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,749 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,770 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 18:58:24,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,775 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 18:58:24,782 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 18:58:24,782 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 18:58:24,782 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 18:58:24,783 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24" (1/1) ... [2025-03-03 18:58:24,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 18:58:24,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 18:58:24,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 18:58:24,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 18:58:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 18:58:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 18:58:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 18:58:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 18:58:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 18:58:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 18:58:24,901 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 18:58:24,903 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 18:58:25,168 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L125: havoc property_#t~ite19#1;havoc property_#t~ite18#1;havoc property_#t~bitwise17#1;havoc property_#t~short20#1; [2025-03-03 18:58:25,205 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2025-03-03 18:58:25,206 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 18:58:25,219 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 18:58:25,220 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 18:58:25,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:58:25 BoogieIcfgContainer [2025-03-03 18:58:25,220 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 18:58:25,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 18:58:25,225 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 18:58:25,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 18:58:25,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:58:24" (1/3) ... [2025-03-03 18:58:25,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd453ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:58:25, skipping insertion in model container [2025-03-03 18:58:25,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:24" (2/3) ... [2025-03-03 18:58:25,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd453ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:58:25, skipping insertion in model container [2025-03-03 18:58:25,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:58:25" (3/3) ... [2025-03-03 18:58:25,231 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-17.i [2025-03-03 18:58:25,243 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 18:58:25,244 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-17.i that has 2 procedures, 78 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 18:58:25,289 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 18:58:25,300 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;@313e15c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 18:58:25,301 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 18:58:25,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 54 states have internal predecessors, (74), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-03 18:58:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-03 18:58:25,316 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 18:58:25,317 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 18:58:25,318 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 18:58:25,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 18:58:25,324 INFO L85 PathProgramCache]: Analyzing trace with hash -3597491, now seen corresponding path program 1 times [2025-03-03 18:58:25,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 18:58:25,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760554235] [2025-03-03 18:58:25,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:58:25,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 18:58:25,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-03 18:58:25,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-03 18:58:25,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:58:25,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 18:58:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2025-03-03 18:58:25,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 18:58:25,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760554235] [2025-03-03 18:58:25,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760554235] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 18:58:25,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927121157] [2025-03-03 18:58:25,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:58:25,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 18:58:25,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 18:58:25,613 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 18:58:25,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 18:58:25,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-03 18:58:25,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-03 18:58:25,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:58:25,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 18:58:25,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 18:58:25,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 18:58:25,782 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2025-03-03 18:58:25,782 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 18:58:25,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927121157] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 18:58:25,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 18:58:25,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-03 18:58:25,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675782744] [2025-03-03 18:58:25,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 18:58:25,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 18:58:25,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 18:58:25,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 18:58:25,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 18:58:25,809 INFO L87 Difference]: Start difference. First operand has 78 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 54 states have internal predecessors, (74), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-03 18:58:25,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 18:58:25,836 INFO L93 Difference]: Finished difference Result 150 states and 253 transitions. [2025-03-03 18:58:25,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 18:58:25,838 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2025-03-03 18:58:25,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 18:58:25,842 INFO L225 Difference]: With dead ends: 150 [2025-03-03 18:58:25,843 INFO L226 Difference]: Without dead ends: 75 [2025-03-03 18:58:25,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 18:58:25,847 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 18:58:25,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 18:58:25,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-03-03 18:58:25,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2025-03-03 18:58:25,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 51 states have internal predecessors, (69), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-03 18:58:25,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2025-03-03 18:58:25,886 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 142 [2025-03-03 18:58:25,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 18:58:25,886 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2025-03-03 18:58:25,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-03 18:58:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2025-03-03 18:58:25,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-03 18:58:25,891 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 18:58:25,892 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 18:58:25,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-03 18:58:26,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-03 18:58:26,093 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 18:58:26,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 18:58:26,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1670088907, now seen corresponding path program 1 times [2025-03-03 18:58:26,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 18:58:26,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193325670] [2025-03-03 18:58:26,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:58:26,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 18:58:26,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-03 18:58:26,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-03 18:58:26,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:58:26,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 18:58:26,318 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 18:58:26,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-03 18:58:26,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-03 18:58:26,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:58:26,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 18:58:26,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 18:58:26,505 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 18:58:26,506 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 18:58:26,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 18:58:26,509 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-03 18:58:26,584 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 18:58:26,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:58:26 BoogieIcfgContainer [2025-03-03 18:58:26,586 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 18:58:26,587 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 18:58:26,587 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 18:58:26,587 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 18:58:26,587 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:58:25" (3/4) ... [2025-03-03 18:58:26,592 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 18:58:26,592 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 18:58:26,593 INFO L158 Benchmark]: Toolchain (without parser) took 2178.68ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 96.4MB in the end (delta: 8.2MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2025-03-03 18:58:26,593 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 18:58:26,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.39ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 90.5MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 18:58:26,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.33ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 87.2MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 18:58:26,594 INFO L158 Benchmark]: Boogie Preprocessor took 43.05ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 82.1MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 18:58:26,594 INFO L158 Benchmark]: IcfgBuilder took 438.04ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 58.0MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-03 18:58:26,594 INFO L158 Benchmark]: TraceAbstraction took 1362.36ms. Allocated memory is still 142.6MB. Free memory was 56.9MB in the beginning and 96.5MB in the end (delta: -39.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2025-03-03 18:58:26,595 INFO L158 Benchmark]: Witness Printer took 5.76ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 18:58:26,596 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.39ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 90.5MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.33ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 87.2MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.05ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 82.1MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 438.04ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 58.0MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1362.36ms. Allocated memory is still 142.6MB. Free memory was 56.9MB in the beginning and 96.5MB in the end (delta: -39.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Witness Printer took 5.76ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 37.0kB). 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 someBinaryDOUBLEComparisonOperation at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 109, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 111, overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 25; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] unsigned char var_1_6 = 1; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 0; [L32] double var_1_11 = 7.3; [L33] double var_1_12 = 1.25; [L34] double var_1_13 = 128.8; [L35] signed char var_1_14 = -1; [L36] signed char var_1_15 = 10; [L37] signed short int var_1_16 = 8; [L38] signed short int var_1_17 = 10; [L39] unsigned long int var_1_18 = 128; [L40] unsigned long int var_1_19 = 3963666122; VAL [isInitial=0, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L129] isInitial = 1 [L130] FCALL initially() [L131] COND TRUE 1 [L132] FCALL updateLastVariables() [L133] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L88] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L89] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L90] var_1_3 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L91] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L92] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L93] var_1_4 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L94] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L95] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L95] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L96] var_1_6 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L97] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L98] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L98] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L99] var_1_7 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_8=1, var_1_9=0] [L100] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_8=1, var_1_9=0] [L101] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=0] [L101] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=0] [L102] var_1_9 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L103] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L104] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L105] var_1_10 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L106] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L107] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L108] var_1_12 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L109] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L110] var_1_13 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L111] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L112] var_1_15 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L113] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L114] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L114] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L115] var_1_17 = __VERIFIER_nondet_short() [L116] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L116] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L117] CALL assume_abort_if_not(var_1_17 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L117] RET assume_abort_if_not(var_1_17 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L118] var_1_19 = __VERIFIER_nondet_ulong() [L119] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L119] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L120] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L120] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L133] RET updateVariables() [L134] CALL step() [L44] var_1_1 = (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))) [L45] unsigned char stepLocal_0 = var_1_7; VAL [isInitial=1, stepLocal_0=-256, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L46] COND FALSE !(var_1_6 && stepLocal_0) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L53] COND TRUE var_1_1 < var_1_3 [L54] var_1_8 = ((var_1_7 || (var_1_6 || var_1_9)) && var_1_10) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L58] unsigned char stepLocal_1 = var_1_4; VAL [isInitial=1, stepLocal_1=58, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L59] COND TRUE stepLocal_1 == (8 + var_1_1) [L60] var_1_11 = ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) VAL [isInitial=1, var_1_10=1, var_1_11=4294967299, var_1_12=4294967299, var_1_13=4294967299, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L62] COND FALSE !((64.4f + 1.5f) <= var_1_13) VAL [isInitial=1, var_1_10=1, var_1_11=4294967299, var_1_12=4294967299, var_1_13=4294967299, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L67] unsigned char stepLocal_2 = var_1_3; VAL [isInitial=1, stepLocal_2=-205, var_1_10=1, var_1_11=4294967299, var_1_12=4294967299, var_1_13=4294967299, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L68] COND FALSE !(var_1_12 >= 9.6) VAL [isInitial=1, stepLocal_2=-205, var_1_10=1, var_1_11=4294967299, var_1_12=4294967299, var_1_13=4294967299, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L79] unsigned char stepLocal_3 = var_1_9 && var_1_6; VAL [isInitial=1, stepLocal_2=-205, stepLocal_3=1, var_1_10=1, var_1_11=4294967299, var_1_12=4294967299, var_1_13=4294967299, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L80] COND TRUE stepLocal_3 || (var_1_7 && var_1_10) [L81] var_1_18 = (var_1_19 - (((((1991720936u - var_1_17)) < (var_1_2)) ? ((1991720936u - var_1_17)) : (var_1_2)))) VAL [isInitial=1, stepLocal_2=-205, var_1_10=1, var_1_11=4294967299, var_1_12=4294967299, var_1_13=4294967299, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=4294967294, var_1_19=4294967294, var_1_1=50, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L134] RET step() [L135] CALL, EXPR property() [L125] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((var_1_6 && var_1_7) ? (var_1_7 ? (var_1_5 == ((signed long int) (((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_1 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (var_1_6 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_1)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_5 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_17))) : (((var_1_1 * (var_1_15 & var_1_17)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_1)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) VAL [isInitial=1, var_1_10=1, var_1_11=4294967299, var_1_12=4294967299, var_1_13=4294967299, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=4294967294, var_1_19=4294967294, var_1_1=50, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L125-L126] return ((((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((var_1_6 && var_1_7) ? (var_1_7 ? (var_1_5 == ((signed long int) (((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_1 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (var_1_6 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_1)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_5 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_17))) : (((var_1_1 * (var_1_15 & var_1_17)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_1)) : (var_1_16 == ((signed short int) var_1_4)))) : 1)) && (((var_1_9 && var_1_6) || (var_1_7 && var_1_10)) ? (var_1_18 == ((unsigned long int) (var_1_19 - (((((1991720936u - var_1_17)) < (var_1_2)) ? ((1991720936u - var_1_17)) : (var_1_2)))))) : (var_1_18 == ((unsigned long int) var_1_2))) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=4294967299, var_1_12=4294967299, var_1_13=4294967299, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=4294967294, var_1_19=4294967294, var_1_1=50, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=4294967299, var_1_12=4294967299, var_1_13=4294967299, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=4294967294, var_1_19=4294967294, var_1_1=50, var_1_2=0, var_1_3=-205, var_1_4=58, var_1_5=4, var_1_6=1, var_1_7=-256, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 22, 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, 111 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 111 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 282 SizeOfPredicates, 0 NumberOfNonLiveVariables, 315 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1806/1848 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-03 18:58:26,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f0f0785f7665ff69f705d3a9523d6aab7318d460c58516c4546aa5262d21f76 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 18:58:28,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 18:58:28,543 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 18:58:28,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 18:58:28,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 18:58:28,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 18:58:28,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 18:58:28,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 18:58:28,576 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 18:58:28,576 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 18:58:28,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 18:58:28,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 18:58:28,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 18:58:28,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 18:58:28,577 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 18:58:28,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 18:58:28,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 18:58:28,578 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 18:58:28,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 18:58:28,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 18:58:28,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 18:58:28,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 18:58:28,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 18:58:28,579 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 18:58:28,579 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 18:58:28,579 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 18:58:28,579 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 18:58:28,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 18:58:28,579 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 18:58:28,579 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 18:58:28,579 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 18:58:28,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 18:58:28,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 18:58:28,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 18:58:28,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 18:58:28,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 18:58:28,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 18:58:28,580 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 18:58:28,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 18:58:28,580 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 18:58:28,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 18:58:28,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 18:58:28,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 18:58:28,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 18:58:28,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 18:58:28,581 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f0f0785f7665ff69f705d3a9523d6aab7318d460c58516c4546aa5262d21f76 [2025-03-03 18:58:28,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 18:58:28,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 18:58:28,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 18:58:28,810 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 18:58:28,811 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 18:58:28,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i [2025-03-03 18:58:30,042 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62b0940b3/d16b1347102c445db24eb95ca4e8e7e9/FLAGb41017413 [2025-03-03 18:58:30,229 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 18:58:30,230 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i [2025-03-03 18:58:30,239 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62b0940b3/d16b1347102c445db24eb95ca4e8e7e9/FLAGb41017413 [2025-03-03 18:58:30,254 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62b0940b3/d16b1347102c445db24eb95ca4e8e7e9 [2025-03-03 18:58:30,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 18:58:30,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 18:58:30,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 18:58:30,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 18:58:30,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 18:58:30,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71cb1ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30, skipping insertion in model container [2025-03-03 18:58:30,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 18:58:30,389 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i[917,930] [2025-03-03 18:58:30,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 18:58:30,448 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 18:58:30,455 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i[917,930] [2025-03-03 18:58:30,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 18:58:30,486 INFO L204 MainTranslator]: Completed translation [2025-03-03 18:58:30,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30 WrapperNode [2025-03-03 18:58:30,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 18:58:30,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 18:58:30,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 18:58:30,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 18:58:30,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,531 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2025-03-03 18:58:30,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 18:58:30,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 18:58:30,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 18:58:30,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 18:58:30,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,540 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,553 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 18:58:30,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,565 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 18:58:30,574 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 18:58:30,574 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 18:58:30,574 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 18:58:30,579 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30" (1/1) ... [2025-03-03 18:58:30,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 18:58:30,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 18:58:30,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 18:58:30,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 18:58:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 18:58:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 18:58:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 18:58:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 18:58:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 18:58:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 18:58:30,687 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 18:58:30,689 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 18:58:31,225 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-03 18:58:31,225 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 18:58:31,232 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 18:58:31,232 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 18:58:31,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:58:31 BoogieIcfgContainer [2025-03-03 18:58:31,232 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 18:58:31,234 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 18:58:31,234 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 18:58:31,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 18:58:31,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:58:30" (1/3) ... [2025-03-03 18:58:31,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629efe27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:58:31, skipping insertion in model container [2025-03-03 18:58:31,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:58:30" (2/3) ... [2025-03-03 18:58:31,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629efe27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:58:31, skipping insertion in model container [2025-03-03 18:58:31,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:58:31" (3/3) ... [2025-03-03 18:58:31,239 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-17.i [2025-03-03 18:58:31,251 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 18:58:31,252 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-17.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 18:58:31,293 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 18:58:31,301 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;@5d43e827, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 18:58:31,301 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 18:58:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-03 18:58:31,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-03 18:58:31,311 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 18:58:31,312 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 18:58:31,312 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 18:58:31,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 18:58:31,315 INFO L85 PathProgramCache]: Analyzing trace with hash 785370287, now seen corresponding path program 1 times [2025-03-03 18:58:31,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 18:58:31,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896355283] [2025-03-03 18:58:31,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:58:31,324 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 18:58:31,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 18:58:31,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 18:58:31,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-03 18:58:31,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-03 18:58:31,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-03 18:58:31,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:58:31,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 18:58:31,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 18:58:31,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 18:58:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2025-03-03 18:58:31,520 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 18:58:31,521 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 18:58:31,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896355283] [2025-03-03 18:58:31,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896355283] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 18:58:31,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 18:58:31,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 18:58:31,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792378088] [2025-03-03 18:58:31,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 18:58:31,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 18:58:31,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 18:58:31,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 18:58:31,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 18:58:31,539 INFO L87 Difference]: Start difference. First operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-03 18:58:31,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 18:58:31,559 INFO L93 Difference]: Finished difference Result 124 states and 213 transitions. [2025-03-03 18:58:31,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 18:58:31,561 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2025-03-03 18:58:31,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 18:58:31,565 INFO L225 Difference]: With dead ends: 124 [2025-03-03 18:58:31,565 INFO L226 Difference]: Without dead ends: 62 [2025-03-03 18:58:31,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 18:58:31,568 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 18:58:31,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 18:58:31,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-03-03 18:58:31,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-03-03 18:58:31,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-03 18:58:31,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 93 transitions. [2025-03-03 18:58:31,600 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 93 transitions. Word has length 140 [2025-03-03 18:58:31,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 18:58:31,600 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 93 transitions. [2025-03-03 18:58:31,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-03 18:58:31,600 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2025-03-03 18:58:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-03 18:58:31,602 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 18:58:31,602 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 18:58:31,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-03 18:58:31,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 18:58:31,805 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 18:58:31,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 18:58:31,806 INFO L85 PathProgramCache]: Analyzing trace with hash 447447469, now seen corresponding path program 1 times [2025-03-03 18:58:31,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 18:58:31,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755704140] [2025-03-03 18:58:31,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:58:31,807 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 18:58:31,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 18:58:31,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 18:58:31,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-03 18:58:31,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-03 18:58:31,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-03 18:58:31,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:58:31,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 18:58:31,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-03 18:58:31,977 INFO L279 TraceCheckSpWp]: Computing forward predicates...