./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-23.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-23.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 643345d281ad2e709dd52185927f023ab3c05039c8a0ebb7fbb8a5500155527a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 14:29:39,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 14:29:39,493 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 14:29:39,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 14:29:39,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 14:29:39,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 14:29:39,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 14:29:39,516 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 14:29:39,517 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 14:29:39,517 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 14:29:39,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 14:29:39,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 14:29:39,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 14:29:39,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 14:29:39,518 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 14:29:39,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 14:29:39,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 14:29:39,518 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 14:29:39,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 14:29:39,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 14:29:39,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 14:29:39,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 14:29:39,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 14:29:39,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 14:29:39,519 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 14:29:39,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 14:29:39,519 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 14:29:39,519 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 14:29:39,519 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 14:29:39,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 14:29:39,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 14:29:39,520 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 14:29:39,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 14:29:39,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 14:29:39,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 14:29:39,520 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 14:29:39,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 14:29:39,521 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 14:29:39,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 14:29:39,521 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 14:29:39,521 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 14:29:39,521 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 14:29:39,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 14:29:39,521 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 -> 643345d281ad2e709dd52185927f023ab3c05039c8a0ebb7fbb8a5500155527a [2025-03-08 14:29:39,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 14:29:39,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 14:29:39,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 14:29:39,760 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 14:29:39,760 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 14:29:39,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-23.i [2025-03-08 14:29:40,879 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719e389e4/662d68f43e014d05976532a3ed466c34/FLAG9b90cd410 [2025-03-08 14:29:41,137 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 14:29:41,137 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-23.i [2025-03-08 14:29:41,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719e389e4/662d68f43e014d05976532a3ed466c34/FLAG9b90cd410 [2025-03-08 14:29:41,166 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719e389e4/662d68f43e014d05976532a3ed466c34 [2025-03-08 14:29:41,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 14:29:41,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 14:29:41,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 14:29:41,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 14:29:41,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 14:29:41,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4140267f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41, skipping insertion in model container [2025-03-08 14:29:41,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,188 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 14:29:41,300 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-23.i[915,928] [2025-03-08 14:29:41,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 14:29:41,348 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 14:29:41,355 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-23.i[915,928] [2025-03-08 14:29:41,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 14:29:41,383 INFO L204 MainTranslator]: Completed translation [2025-03-08 14:29:41,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41 WrapperNode [2025-03-08 14:29:41,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 14:29:41,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 14:29:41,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 14:29:41,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 14:29:41,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,409 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2025-03-08 14:29:41,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 14:29:41,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 14:29:41,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 14:29:41,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 14:29:41,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,416 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,424 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]. [2025-03-08 14:29:41,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,428 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 14:29:41,431 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 14:29:41,431 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 14:29:41,431 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 14:29:41,432 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41" (1/1) ... [2025-03-08 14:29:41,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 14:29:41,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 14:29:41,458 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) [2025-03-08 14:29:41,460 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 [2025-03-08 14:29:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 14:29:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 14:29:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 14:29:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 14:29:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 14:29:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 14:29:41,535 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 14:29:41,536 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 14:29:41,713 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-08 14:29:41,713 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 14:29:41,722 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 14:29:41,722 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 14:29:41,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:29:41 BoogieIcfgContainer [2025-03-08 14:29:41,722 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 14:29:41,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 14:29:41,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 14:29:41,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 14:29:41,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 02:29:41" (1/3) ... [2025-03-08 14:29:41,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba38128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:29:41, skipping insertion in model container [2025-03-08 14:29:41,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:41" (2/3) ... [2025-03-08 14:29:41,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba38128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:29:41, skipping insertion in model container [2025-03-08 14:29:41,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:29:41" (3/3) ... [2025-03-08 14:29:41,729 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-23.i [2025-03-08 14:29:41,738 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 14:29:41,740 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-23.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 14:29:41,778 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 14:29:41,786 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;@6799ba86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 14:29:41,786 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 14:29:41,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-08 14:29:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-08 14:29:41,798 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 14:29:41,799 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 14:29:41,799 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 14:29:41,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 14:29:41,802 INFO L85 PathProgramCache]: Analyzing trace with hash -204551118, now seen corresponding path program 1 times [2025-03-08 14:29:41,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 14:29:41,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200017056] [2025-03-08 14:29:41,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 14:29:41,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 14:29:41,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 14:29:41,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 14:29:41,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 14:29:41,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 14:29:41,981 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2025-03-08 14:29:41,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 14:29:41,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200017056] [2025-03-08 14:29:41,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200017056] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 14:29:41,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969988431] [2025-03-08 14:29:41,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 14:29:41,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 14:29:41,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 14:29:41,985 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) [2025-03-08 14:29:41,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 14:29:42,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 14:29:42,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 14:29:42,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 14:29:42,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 14:29:42,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 14:29:42,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 14:29:42,129 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2025-03-08 14:29:42,131 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 14:29:42,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969988431] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 14:29:42,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 14:29:42,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 14:29:42,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945177228] [2025-03-08 14:29:42,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 14:29:42,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 14:29:42,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 14:29:42,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 14:29:42,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 14:29:42,148 INFO L87 Difference]: Start difference. First operand has 52 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 14:29:42,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 14:29:42,166 INFO L93 Difference]: Finished difference Result 98 states and 166 transitions. [2025-03-08 14:29:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 14:29:42,168 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2025-03-08 14:29:42,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 14:29:42,174 INFO L225 Difference]: With dead ends: 98 [2025-03-08 14:29:42,174 INFO L226 Difference]: Without dead ends: 49 [2025-03-08 14:29:42,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 14:29:42,180 INFO L435 NwaCegarLoop]: 71 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, 71 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 [2025-03-08 14:29:42,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 14:29:42,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-03-08 14:29:42,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-03-08 14:29:42,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-08 14:29:42,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2025-03-08 14:29:42,207 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 117 [2025-03-08 14:29:42,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 14:29:42,207 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2025-03-08 14:29:42,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 14:29:42,208 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2025-03-08 14:29:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-08 14:29:42,218 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 14:29:42,218 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 14:29:42,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 14:29:42,423 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 [2025-03-08 14:29:42,423 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 14:29:42,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 14:29:42,424 INFO L85 PathProgramCache]: Analyzing trace with hash -463955083, now seen corresponding path program 1 times [2025-03-08 14:29:42,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 14:29:42,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829584639] [2025-03-08 14:29:42,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 14:29:42,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 14:29:42,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 14:29:42,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 14:29:42,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 14:29:42,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 14:29:42,573 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 14:29:42,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 14:29:42,684 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 14:29:42,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 14:29:42,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 14:29:42,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 14:29:42,724 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 14:29:42,725 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 14:29:42,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 14:29:42,728 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 14:29:42,784 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 14:29:42,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 02:29:42 BoogieIcfgContainer [2025-03-08 14:29:42,786 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 14:29:42,787 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 14:29:42,787 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 14:29:42,787 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 14:29:42,787 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:29:41" (3/4) ... [2025-03-08 14:29:42,789 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 14:29:42,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 14:29:42,790 INFO L158 Benchmark]: Toolchain (without parser) took 1620.60ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 65.3MB in the end (delta: 40.4MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2025-03-08 14:29:42,790 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 14:29:42,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.97ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 92.4MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 14:29:42,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.63ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 90.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 14:29:42,794 INFO L158 Benchmark]: Boogie Preprocessor took 21.02ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 88.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 14:29:42,794 INFO L158 Benchmark]: IcfgBuilder took 291.47ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 73.9MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 14:29:42,794 INFO L158 Benchmark]: TraceAbstraction took 1061.94ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 65.4MB in the end (delta: 8.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2025-03-08 14:29:42,794 INFO L158 Benchmark]: Witness Printer took 2.64ms. Allocated memory is still 142.6MB. Free memory was 65.4MB in the beginning and 65.3MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 14:29:42,795 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.97ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 92.4MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.63ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 90.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.02ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 88.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 291.47ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 73.9MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1061.94ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 65.4MB in the end (delta: 8.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 2.64ms. Allocated memory is still 142.6MB. Free memory was 65.4MB in the beginning and 65.3MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 0; [L23] unsigned long int var_1_2 = 16; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 25; [L26] float var_1_6 = 999.7; [L27] float var_1_8 = 9.75; [L28] float var_1_9 = 1.75; [L29] unsigned long int var_1_10 = 16; [L30] unsigned long int var_1_11 = 1277342739; [L31] unsigned long int var_1_12 = 1394088949; [L32] unsigned long int var_1_13 = 0; [L33] unsigned char var_1_14 = 0; [L34] unsigned char var_1_17 = 0; [L35] unsigned char var_1_18 = 0; [L36] float var_1_19 = 10.5; [L37] float var_1_20 = 4.47; [L38] unsigned char var_1_21 = 1; [L39] unsigned char var_1_22 = 0; VAL [isInitial=0, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=16, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L62] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L62] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L63] var_1_3 = __VERIFIER_nondet_ulong() [L64] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L64] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L65] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L65] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L66] var_1_6 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L67] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L68] CALL assume_abort_if_not(var_1_6 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L68] RET assume_abort_if_not(var_1_6 != 0.0F) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L69] var_1_8 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25, var_1_9=7/4] [L70] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25, var_1_9=7/4] [L71] var_1_9 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L72] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L73] var_1_11 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L74] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L75] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L75] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L76] var_1_12 = __VERIFIER_nondet_ulong() [L77] CALL assume_abort_if_not(var_1_12 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L77] RET assume_abort_if_not(var_1_12 >= 1073741824) VAL [isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L78] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L78] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L79] var_1_13 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L80] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L81] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L81] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L82] var_1_17 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L83] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L84] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L84] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L85] var_1_20 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L86] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L87] var_1_22 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L88] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L89] CALL assume_abort_if_not(var_1_22 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L89] RET assume_abort_if_not(var_1_22 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L102] RET updateVariables() [L103] CALL step() [L43] var_1_1 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) [L44] var_1_10 = ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13)))) [L45] var_1_18 = var_1_17 [L46] var_1_19 = var_1_20 [L47] var_1_21 = var_1_22 VAL [isInitial=1, var_1_10=-1073741825, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=2147483652, var_1_1=-1073741826, var_1_20=2147483652, var_1_21=0, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=25] [L48] COND TRUE (var_1_19 / var_1_6) <= (var_1_19 + (var_1_8 - var_1_9)) [L49] var_1_4 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, var_1_10=-1073741825, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=2147483652, var_1_1=-1073741826, var_1_20=2147483652, var_1_21=0, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=-1073741826] [L51] COND FALSE !(\read(var_1_21)) VAL [isInitial=1, var_1_10=-1073741825, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=2147483652, var_1_1=-1073741826, var_1_20=2147483652, var_1_21=0, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=-1073741826] [L103] RET step() [L104] CALL, EXPR property() [L94-L95] return ((((((var_1_1 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) && (((var_1_19 / var_1_6) <= (var_1_19 + (var_1_8 - var_1_9))) ? (var_1_4 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1)) && (var_1_10 == ((unsigned long int) ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13))))))) && (var_1_21 ? ((! ((var_1_19 / var_1_6) < (var_1_8 - var_1_9))) ? (var_1_21 ? (var_1_14 == ((unsigned char) (! var_1_17))) : 1) : 1) : 1)) && (var_1_18 == ((unsigned char) var_1_17))) && (var_1_19 == ((float) var_1_20))) && (var_1_21 == ((unsigned char) var_1_22)) ; VAL [\result=0, isInitial=1, var_1_10=-1073741825, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=2147483652, var_1_1=-1073741826, var_1_20=2147483652, var_1_21=0, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=-1073741826] [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-1073741825, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=2147483652, var_1_1=-1073741826, var_1_20=2147483652, var_1_21=0, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=-1073741826] [L19] reach_error() VAL [isInitial=1, var_1_10=-1073741825, var_1_11=2147483647, var_1_12=-3221225472, var_1_13=0, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=2147483652, var_1_1=-1073741826, var_1_20=2147483652, var_1_21=0, var_1_22=0, var_1_2=-1073741825, var_1_3=-1073741826, var_1_4=-1073741826] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 95 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 71 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 351 NumberOfCodeBlocks, 351 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 273 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1332/1368 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 [2025-03-08 14:29:42,809 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_loopvsstraightlinecode_25-while_file-23.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 643345d281ad2e709dd52185927f023ab3c05039c8a0ebb7fbb8a5500155527a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 14:29:44,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 14:29:44,580 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 14:29:44,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 14:29:44,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 14:29:44,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 14:29:44,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 14:29:44,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 14:29:44,606 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 14:29:44,606 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 14:29:44,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 14:29:44,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 14:29:44,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 14:29:44,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 14:29:44,607 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 14:29:44,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 14:29:44,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 14:29:44,608 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 14:29:44,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 14:29:44,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 14:29:44,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 14:29:44,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 14:29:44,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 14:29:44,608 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 14:29:44,608 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 14:29:44,608 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 14:29:44,609 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 14:29:44,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 14:29:44,609 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 14:29:44,609 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 14:29:44,609 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 14:29:44,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 14:29:44,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 14:29:44,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 14:29:44,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 14:29:44,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 14:29:44,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 14:29:44,610 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 14:29:44,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 14:29:44,610 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 14:29:44,610 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 14:29:44,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 14:29:44,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 14:29:44,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 14:29:44,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 14:29:44,610 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 -> 643345d281ad2e709dd52185927f023ab3c05039c8a0ebb7fbb8a5500155527a [2025-03-08 14:29:44,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 14:29:44,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 14:29:44,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 14:29:44,853 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 14:29:44,853 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 14:29:44,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-23.i [2025-03-08 14:29:46,001 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c60972d7/bd8ffe5170a84d0faf1d8f3cabe16878/FLAG2491d6bcc [2025-03-08 14:29:46,191 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 14:29:46,192 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-23.i [2025-03-08 14:29:46,198 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c60972d7/bd8ffe5170a84d0faf1d8f3cabe16878/FLAG2491d6bcc [2025-03-08 14:29:46,557 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c60972d7/bd8ffe5170a84d0faf1d8f3cabe16878 [2025-03-08 14:29:46,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 14:29:46,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 14:29:46,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 14:29:46,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 14:29:46,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 14:29:46,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2031bc04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46, skipping insertion in model container [2025-03-08 14:29:46,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 14:29:46,658 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-23.i[915,928] [2025-03-08 14:29:46,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 14:29:46,708 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 14:29:46,716 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-23.i[915,928] [2025-03-08 14:29:46,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 14:29:46,744 INFO L204 MainTranslator]: Completed translation [2025-03-08 14:29:46,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46 WrapperNode [2025-03-08 14:29:46,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 14:29:46,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 14:29:46,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 14:29:46,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 14:29:46,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,770 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2025-03-08 14:29:46,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 14:29:46,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 14:29:46,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 14:29:46,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 14:29:46,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,785 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]. [2025-03-08 14:29:46,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,792 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 14:29:46,799 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 14:29:46,799 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 14:29:46,799 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 14:29:46,800 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46" (1/1) ... [2025-03-08 14:29:46,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 14:29:46,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 14:29:46,825 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) [2025-03-08 14:29:46,828 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 [2025-03-08 14:29:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 14:29:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 14:29:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 14:29:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 14:29:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 14:29:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 14:29:46,908 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 14:29:46,910 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 14:29:55,102 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-08 14:29:55,102 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 14:29:55,113 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 14:29:55,113 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 14:29:55,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:29:55 BoogieIcfgContainer [2025-03-08 14:29:55,113 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 14:29:55,115 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 14:29:55,115 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 14:29:55,118 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 14:29:55,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 02:29:46" (1/3) ... [2025-03-08 14:29:55,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201c7ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:29:55, skipping insertion in model container [2025-03-08 14:29:55,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:29:46" (2/3) ... [2025-03-08 14:29:55,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201c7ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:29:55, skipping insertion in model container [2025-03-08 14:29:55,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:29:55" (3/3) ... [2025-03-08 14:29:55,119 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-23.i [2025-03-08 14:29:55,128 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 14:29:55,129 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-23.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 14:29:55,163 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 14:29:55,170 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;@2c61068c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 14:29:55,170 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 14:29:55,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-08 14:29:55,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-08 14:29:55,178 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 14:29:55,181 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 14:29:55,182 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 14:29:55,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 14:29:55,185 INFO L85 PathProgramCache]: Analyzing trace with hash -204551118, now seen corresponding path program 1 times [2025-03-08 14:29:55,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 14:29:55,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613614172] [2025-03-08 14:29:55,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 14:29:55,192 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 [2025-03-08 14:29:55,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 14:29:55,194 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) [2025-03-08 14:29:55,195 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 [2025-03-08 14:29:55,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 14:29:55,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 14:29:55,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 14:29:55,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 14:29:55,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 14:29:55,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 14:29:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2025-03-08 14:29:55,534 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 14:29:55,534 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 14:29:55,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613614172] [2025-03-08 14:29:55,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613614172] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 14:29:55,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 14:29:55,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 14:29:55,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710711834] [2025-03-08 14:29:55,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 14:29:55,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 14:29:55,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 14:29:55,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 14:29:55,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 14:29:55,551 INFO L87 Difference]: Start difference. First operand has 52 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 14:29:55,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 14:29:55,566 INFO L93 Difference]: Finished difference Result 98 states and 166 transitions. [2025-03-08 14:29:55,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 14:29:55,567 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2025-03-08 14:29:55,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 14:29:55,582 INFO L225 Difference]: With dead ends: 98 [2025-03-08 14:29:55,582 INFO L226 Difference]: Without dead ends: 49 [2025-03-08 14:29:55,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 14:29:55,586 INFO L435 NwaCegarLoop]: 71 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, 71 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 [2025-03-08 14:29:55,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 14:29:55,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-03-08 14:29:55,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-03-08 14:29:55,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-08 14:29:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2025-03-08 14:29:55,619 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 117 [2025-03-08 14:29:55,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 14:29:55,620 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2025-03-08 14:29:55,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-08 14:29:55,620 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2025-03-08 14:29:55,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-08 14:29:55,623 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 14:29:55,623 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 14:29:55,635 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 [2025-03-08 14:29:55,824 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 [2025-03-08 14:29:55,824 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 14:29:55,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 14:29:55,825 INFO L85 PathProgramCache]: Analyzing trace with hash -463955083, now seen corresponding path program 1 times [2025-03-08 14:29:55,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 14:29:55,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [769218585] [2025-03-08 14:29:55,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 14:29:55,826 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 [2025-03-08 14:29:55,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 14:29:55,829 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) [2025-03-08 14:29:55,830 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 [2025-03-08 14:29:55,877 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 14:29:56,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 14:29:56,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 14:29:56,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 14:29:56,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-08 14:29:56,137 INFO L279 TraceCheckSpWp]: Computing forward predicates...