./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-43.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-43.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 0c17c914e863ecde37b0d9eebaa4b759e86beaa02deb4bbf5ca1b0e732d82914 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 22:56:11,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 22:56:11,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 22:56:11,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 22:56:11,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 22:56:11,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 22:56:11,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 22:56:11,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 22:56:11,285 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 22:56:11,285 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 22:56:11,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 22:56:11,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 22:56:11,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 22:56:11,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 22:56:11,285 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 22:56:11,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 22:56:11,286 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 22:56:11,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:56:11,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 22:56:11,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 22:56:11,287 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 22:56:11,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 22:56:11,287 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 22:56:11,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 22:56:11,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 22:56:11,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 22:56:11,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 22:56:11,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 22:56:11,287 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 -> 0c17c914e863ecde37b0d9eebaa4b759e86beaa02deb4bbf5ca1b0e732d82914 [2025-03-16 22:56:11,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 22:56:11,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 22:56:11,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 22:56:11,529 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 22:56:11,529 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 22:56:11,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-43.i [2025-03-16 22:56:12,672 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6522189b3/0d0b9cc9fba74afbbe8b9ca6ec11b301/FLAG805b667f5 [2025-03-16 22:56:12,929 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 22:56:12,929 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-43.i [2025-03-16 22:56:12,936 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6522189b3/0d0b9cc9fba74afbbe8b9ca6ec11b301/FLAG805b667f5 [2025-03-16 22:56:13,242 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6522189b3/0d0b9cc9fba74afbbe8b9ca6ec11b301 [2025-03-16 22:56:13,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 22:56:13,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 22:56:13,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 22:56:13,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 22:56:13,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 22:56:13,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d75bbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13, skipping insertion in model container [2025-03-16 22:56:13,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 22:56:13,369 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-43.i[919,932] [2025-03-16 22:56:13,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:56:13,429 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 22:56:13,438 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-43.i[919,932] [2025-03-16 22:56:13,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:56:13,473 INFO L204 MainTranslator]: Completed translation [2025-03-16 22:56:13,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13 WrapperNode [2025-03-16 22:56:13,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 22:56:13,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 22:56:13,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 22:56:13,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 22:56:13,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,520 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2025-03-16 22:56:13,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 22:56:13,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 22:56:13,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 22:56:13,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 22:56:13,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,529 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,539 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]. [2025-03-16 22:56:13,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,547 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 22:56:13,553 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 22:56:13,553 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 22:56:13,553 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 22:56:13,558 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13" (1/1) ... [2025-03-16 22:56:13,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:56:13,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:56:13,582 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) [2025-03-16 22:56:13,587 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 [2025-03-16 22:56:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 22:56:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-16 22:56:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-16 22:56:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 22:56:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 22:56:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 22:56:13,669 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 22:56:13,671 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 22:56:13,882 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L135: havoc property_#t~bitwise20#1;havoc property_#t~short21#1; [2025-03-16 22:56:13,902 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-16 22:56:13,903 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 22:56:13,917 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 22:56:13,918 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 22:56:13,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:56:13 BoogieIcfgContainer [2025-03-16 22:56:13,918 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 22:56:13,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 22:56:13,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 22:56:13,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 22:56:13,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 10:56:13" (1/3) ... [2025-03-16 22:56:13,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f19b548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:56:13, skipping insertion in model container [2025-03-16 22:56:13,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:13" (2/3) ... [2025-03-16 22:56:13,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f19b548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:56:13, skipping insertion in model container [2025-03-16 22:56:13,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:56:13" (3/3) ... [2025-03-16 22:56:13,926 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-43.i [2025-03-16 22:56:13,936 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 22:56:13,937 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-43.i that has 2 procedures, 73 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 22:56:13,987 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 22:56:13,995 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;@2557c2e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 22:56:13,996 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 22:56:13,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 45 states have internal predecessors, (62), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-16 22:56:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-03-16 22:56:14,009 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:56:14,010 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:56:14,010 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:56:14,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:56:14,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1446442983, now seen corresponding path program 1 times [2025-03-16 22:56:14,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:56:14,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82919210] [2025-03-16 22:56:14,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:56:14,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:56:14,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-03-16 22:56:14,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-03-16 22:56:14,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:56:14,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:56:14,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-03-16 22:56:14,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:56:14,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82919210] [2025-03-16 22:56:14,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82919210] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-16 22:56:14,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553272608] [2025-03-16 22:56:14,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:56:14,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 22:56:14,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:56:14,286 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) [2025-03-16 22:56:14,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-16 22:56:14,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-03-16 22:56:14,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-03-16 22:56:14,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:56:14,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:56:14,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 22:56:14,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 22:56:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-03-16 22:56:14,458 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 22:56:14,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553272608] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:56:14,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-16 22:56:14,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-16 22:56:14,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342889863] [2025-03-16 22:56:14,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:56:14,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 22:56:14,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:56:14,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 22:56:14,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 22:56:14,476 INFO L87 Difference]: Start difference. First operand has 73 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 45 states have internal predecessors, (62), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-16 22:56:14,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:56:14,498 INFO L93 Difference]: Finished difference Result 143 states and 252 transitions. [2025-03-16 22:56:14,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 22:56:14,500 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 161 [2025-03-16 22:56:14,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:56:14,504 INFO L225 Difference]: With dead ends: 143 [2025-03-16 22:56:14,504 INFO L226 Difference]: Without dead ends: 71 [2025-03-16 22:56:14,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 22:56:14,509 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 22:56:14,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 22:56:14,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-03-16 22:56:14,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2025-03-16 22:56:14,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-16 22:56:14,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 110 transitions. [2025-03-16 22:56:14,548 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 110 transitions. Word has length 161 [2025-03-16 22:56:14,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:56:14,548 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 110 transitions. [2025-03-16 22:56:14,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-16 22:56:14,548 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2025-03-16 22:56:14,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-03-16 22:56:14,550 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:56:14,550 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:56:14,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-16 22:56:14,751 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 [2025-03-16 22:56:14,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:56:14,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:56:14,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1749025159, now seen corresponding path program 1 times [2025-03-16 22:56:14,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:56:14,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174766102] [2025-03-16 22:56:14,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:56:14,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:56:14,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-03-16 22:56:14,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-03-16 22:56:14,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:56:14,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:56:15,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-03-16 22:56:15,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:56:15,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174766102] [2025-03-16 22:56:15,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174766102] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:56:15,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:56:15,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 22:56:15,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015790428] [2025-03-16 22:56:15,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:56:15,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 22:56:15,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:56:15,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 22:56:15,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 22:56:15,024 INFO L87 Difference]: Start difference. First operand 71 states and 110 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-16 22:56:15,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:56:15,046 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2025-03-16 22:56:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 22:56:15,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 161 [2025-03-16 22:56:15,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:56:15,048 INFO L225 Difference]: With dead ends: 142 [2025-03-16 22:56:15,048 INFO L226 Difference]: Without dead ends: 72 [2025-03-16 22:56:15,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 22:56:15,049 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 22:56:15,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 209 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 22:56:15,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2025-03-16 22:56:15,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2025-03-16 22:56:15,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-16 22:56:15,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 111 transitions. [2025-03-16 22:56:15,056 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 111 transitions. Word has length 161 [2025-03-16 22:56:15,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:56:15,058 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 111 transitions. [2025-03-16 22:56:15,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-16 22:56:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2025-03-16 22:56:15,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-03-16 22:56:15,060 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:56:15,060 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:56:15,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 22:56:15,060 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:56:15,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:56:15,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1658438456, now seen corresponding path program 1 times [2025-03-16 22:56:15,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:56:15,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108014128] [2025-03-16 22:56:15,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:56:15,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:56:15,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-03-16 22:56:15,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-03-16 22:56:15,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:56:15,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 22:56:15,202 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 22:56:15,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-03-16 22:56:15,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-03-16 22:56:15,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:56:15,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 22:56:15,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 22:56:15,364 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 22:56:15,365 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 22:56:15,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-16 22:56:15,368 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-16 22:56:15,444 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 22:56:15,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:56:15 BoogieIcfgContainer [2025-03-16 22:56:15,446 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 22:56:15,447 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 22:56:15,447 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 22:56:15,447 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 22:56:15,448 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:56:13" (3/4) ... [2025-03-16 22:56:15,449 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 22:56:15,450 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 22:56:15,450 INFO L158 Benchmark]: Toolchain (without parser) took 2205.47ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 113.3MB in the end (delta: 9.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2025-03-16 22:56:15,450 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 22:56:15,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.46ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 107.9MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-16 22:56:15,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.96ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 105.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 22:56:15,451 INFO L158 Benchmark]: Boogie Preprocessor took 31.67ms. Allocated memory is still 167.8MB. Free memory was 105.0MB in the beginning and 102.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 22:56:15,451 INFO L158 Benchmark]: IcfgBuilder took 365.03ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 80.2MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-16 22:56:15,451 INFO L158 Benchmark]: TraceAbstraction took 1526.66ms. Allocated memory is still 167.8MB. Free memory was 79.8MB in the beginning and 113.3MB in the end (delta: -33.5MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2025-03-16 22:56:15,452 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 167.8MB. Free memory was 113.3MB in the beginning and 113.3MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 22:56:15,453 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.46ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 107.9MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.96ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 105.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.67ms. Allocated memory is still 167.8MB. Free memory was 105.0MB in the beginning and 102.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 365.03ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 80.2MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1526.66ms. Allocated memory is still 167.8MB. Free memory was 79.8MB in the beginning and 113.3MB in the end (delta: -33.5MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 167.8MB. Free memory was 113.3MB in the beginning and 113.3MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 135, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 135, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 135. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 1000.6; [L23] float var_1_2 = 255.675; [L24] float var_1_3 = 10.4; [L25] float var_1_4 = 31.4; [L26] double var_1_5 = 7.75; [L27] double var_1_6 = 63.1; [L28] signed char var_1_7 = 32; [L29] signed char var_1_10 = 64; [L30] signed short int var_1_11 = 5; [L31] unsigned short int var_1_12 = 4; [L32] unsigned char var_1_13 = 1; [L33] unsigned short int var_1_14 = 49632; [L34] unsigned short int var_1_15 = 0; [L35] signed char var_1_16 = 50; [L36] signed char var_1_18 = 2; [L37] signed char var_1_19 = 25; [L38] signed char var_1_20 = 10; [L39] signed char var_1_21 = 1; [L40] signed char var_1_22 = 8; [L41] unsigned long int var_1_23 = 25; [L42] unsigned short int var_1_24 = 32; [L43] signed long int var_1_26 = 50; [L44] signed char last_1_var_1_7 = 32; [L45] signed short int last_1_var_1_11 = 5; [L46] signed long int last_1_var_1_26 = 50; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] CALL updateLastVariables() [L130] last_1_var_1_7 = var_1_7 [L131] last_1_var_1_11 = var_1_11 [L132] last_1_var_1_26 = var_1_26 [L142] RET updateLastVariables() [L143] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=52/5, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=52/5, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L88] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=52/5, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L89] var_1_3 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L90] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L91] var_1_4 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L92] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L93] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L93] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L94] var_1_5 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_6=631/10, var_1_7=32] [L95] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_6=631/10, var_1_7=32] [L96] var_1_6 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L97] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L98] var_1_10 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L99] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L100] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L100] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L101] var_1_13 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L102] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L103] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L103] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L104] var_1_14 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_14 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L105] RET assume_abort_if_not(var_1_14 >= 32767) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L106] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L106] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L107] var_1_15 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L108] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L109] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L109] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L110] var_1_18 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L111] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L112] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L112] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L113] var_1_19 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L114] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L115] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L115] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L116] var_1_20 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_20 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L117] RET assume_abort_if_not(var_1_20 >= -63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L118] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L118] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L119] var_1_21 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_21 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L120] RET assume_abort_if_not(var_1_21 >= -1) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L121] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L121] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L122] var_1_22 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L123] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L124] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L124] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_24=32, var_1_26=50, var_1_7=32] [L125] var_1_24 = __VERIFIER_nondet_ushort() [L126] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_26=50, var_1_7=32] [L126] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_26=50, var_1_7=32] [L127] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_24=32767, var_1_26=50, var_1_7=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_24=32767, var_1_26=50, var_1_7=32] [L127] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=5003/5, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_24=32767, var_1_26=50, var_1_7=32] [L143] RET updateVariables() [L144] CALL step() [L50] COND TRUE (- 1000.5f) != (var_1_2 * (var_1_3 / var_1_4)) [L51] var_1_1 = ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=2147516420, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_24=32767, var_1_26=50, var_1_5=2147516420, var_1_6=2147516420, var_1_7=32] [L55] COND TRUE var_1_1 > var_1_4 [L56] var_1_11 = var_1_10 VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=1, var_1_12=4, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=2147516420, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_24=32767, var_1_26=50, var_1_5=2147516420, var_1_6=2147516420, var_1_7=32] [L60] COND TRUE \read(var_1_13) [L61] var_1_12 = (var_1_14 - var_1_15) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=50, var_1_18=-1, var_1_19=1, var_1_1=2147516420, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_24=32767, var_1_26=50, var_1_5=2147516420, var_1_6=2147516420, var_1_7=32] [L63] COND TRUE var_1_1 <= (((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))) + var_1_1) [L64] var_1_16 = ((((var_1_10) < ((((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) + var_1_20))) ? (var_1_10) : ((((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) + var_1_20)))) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=0, var_1_18=-1, var_1_19=1, var_1_1=2147516420, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=25, var_1_24=32767, var_1_26=50, var_1_5=2147516420, var_1_6=2147516420, var_1_7=32] [L72] COND TRUE (- (var_1_14 - var_1_24)) < var_1_10 [L73] var_1_23 = (var_1_24 + (var_1_22 + 4u)) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=0, var_1_18=-1, var_1_19=1, var_1_1=2147516420, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=32897, var_1_24=32767, var_1_26=50, var_1_5=2147516420, var_1_6=2147516420, var_1_7=32] [L77] COND FALSE !(var_1_6 != 49.125) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=0, var_1_18=-1, var_1_19=1, var_1_1=2147516420, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=32897, var_1_24=32767, var_1_26=50, var_1_5=2147516420, var_1_6=2147516420, var_1_7=32] [L82] EXPR var_1_12 & last_1_var_1_7 VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=0, var_1_18=-1, var_1_19=1, var_1_1=2147516420, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=32897, var_1_24=32767, var_1_26=50, var_1_5=2147516420, var_1_6=2147516420, var_1_7=32] [L82] COND FALSE !(-4 > (var_1_12 & last_1_var_1_7)) [L144] RET step() [L145] CALL, EXPR property() [L135] EXPR (((- 1000.5f) != (var_1_2 * (var_1_3 / var_1_4))) ? (var_1_1 == ((double) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : (var_1_1 == ((double) var_1_5))) && ((-4 > (var_1_12 & last_1_var_1_7)) ? (var_1_7 == ((signed char) var_1_10)) : 1) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=0, var_1_18=-1, var_1_19=1, var_1_1=2147516420, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=32897, var_1_24=32767, var_1_26=50, var_1_5=2147516420, var_1_6=2147516420, var_1_7=32] [L135-L136] return ((((((((- 1000.5f) != (var_1_2 * (var_1_3 / var_1_4))) ? (var_1_1 == ((double) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : (var_1_1 == ((double) var_1_5))) && ((-4 > (var_1_12 & last_1_var_1_7)) ? (var_1_7 == ((signed char) var_1_10)) : 1)) && ((var_1_1 > var_1_4) ? (var_1_11 == ((signed short int) var_1_10)) : (var_1_11 == ((signed short int) ((((last_1_var_1_11) < (((16 - 32) + (64 + var_1_10)))) ? (last_1_var_1_11) : (((16 - 32) + (64 + var_1_10))))))))) && (var_1_13 ? (var_1_12 == ((unsigned short int) (var_1_14 - var_1_15))) : 1)) && ((var_1_1 <= (((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))) + var_1_1)) ? (var_1_16 == ((signed char) ((((var_1_10) < ((((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) + var_1_20))) ? (var_1_10) : ((((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) + var_1_20)))))) : ((var_1_19 < var_1_20) ? (var_1_16 == ((signed char) (var_1_21 - var_1_22))) : (var_1_16 == ((signed char) var_1_10))))) && (((- (var_1_14 - var_1_24)) < var_1_10) ? (var_1_23 == ((unsigned long int) (var_1_24 + (var_1_22 + 4u)))) : (var_1_23 == ((unsigned long int) ((((var_1_14) < (var_1_12)) ? (var_1_14) : (var_1_12))))))) && ((var_1_6 != 49.125) ? ((((((64u) < 0 ) ? -(64u) : (64u))) < last_1_var_1_26) ? (var_1_26 == ((signed long int) var_1_15)) : 1) : 1) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=0, var_1_18=-1, var_1_19=1, var_1_1=2147516420, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=32897, var_1_24=32767, var_1_26=50, var_1_5=2147516420, var_1_6=2147516420, var_1_7=32] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=2147516415, var_1_15=-32769, var_1_16=0, var_1_18=-1, var_1_19=1, var_1_1=2147516420, var_1_20=1, var_1_21=126, var_1_22=126, var_1_23=32897, var_1_24=32767, var_1_26=50, var_1_5=2147516420, var_1_6=2147516420, var_1_7=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 140 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 317 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 215 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 644 NumberOfCodeBlocks, 644 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 482 SizeOfPredicates, 0 NumberOfNonLiveVariables, 371 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 3850/3900 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 [2025-03-16 22:56:15,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-43.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 0c17c914e863ecde37b0d9eebaa4b759e86beaa02deb4bbf5ca1b0e732d82914 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 22:56:17,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 22:56:17,420 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-16 22:56:17,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 22:56:17,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 22:56:17,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 22:56:17,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 22:56:17,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 22:56:17,449 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 22:56:17,449 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 22:56:17,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 22:56:17,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 22:56:17,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 22:56:17,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 22:56:17,452 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 22:56:17,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 22:56:17,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 22:56:17,452 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 22:56:17,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 22:56:17,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 22:56:17,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 22:56:17,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 22:56:17,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 22:56:17,453 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 22:56:17,453 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 22:56:17,453 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 22:56:17,453 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 22:56:17,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 22:56:17,453 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 22:56:17,453 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 22:56:17,453 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 22:56:17,454 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 22:56:17,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 22:56:17,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 22:56:17,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:56:17,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 22:56:17,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 22:56:17,454 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 22:56:17,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 22:56:17,454 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 22:56:17,454 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 22:56:17,455 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 22:56:17,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 22:56:17,455 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 22:56:17,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 22:56:17,455 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 -> 0c17c914e863ecde37b0d9eebaa4b759e86beaa02deb4bbf5ca1b0e732d82914 [2025-03-16 22:56:17,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 22:56:17,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 22:56:17,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 22:56:17,709 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 22:56:17,710 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 22:56:17,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-43.i [2025-03-16 22:56:18,890 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0639a016d/07edec4e555f421d98a80260c3a4f957/FLAGfa77babcb [2025-03-16 22:56:19,064 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 22:56:19,065 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-43.i [2025-03-16 22:56:19,073 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0639a016d/07edec4e555f421d98a80260c3a4f957/FLAGfa77babcb [2025-03-16 22:56:19,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0639a016d/07edec4e555f421d98a80260c3a4f957 [2025-03-16 22:56:19,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 22:56:19,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 22:56:19,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 22:56:19,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 22:56:19,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 22:56:19,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799fe5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19, skipping insertion in model container [2025-03-16 22:56:19,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 22:56:19,229 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-43.i[919,932] [2025-03-16 22:56:19,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:56:19,305 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 22:56:19,313 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-43.i[919,932] [2025-03-16 22:56:19,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:56:19,362 INFO L204 MainTranslator]: Completed translation [2025-03-16 22:56:19,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19 WrapperNode [2025-03-16 22:56:19,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 22:56:19,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 22:56:19,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 22:56:19,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 22:56:19,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,410 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2025-03-16 22:56:19,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 22:56:19,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 22:56:19,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 22:56:19,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 22:56:19,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,423 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,438 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]. [2025-03-16 22:56:19,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,450 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 22:56:19,468 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 22:56:19,468 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 22:56:19,468 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 22:56:19,469 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19" (1/1) ... [2025-03-16 22:56:19,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:56:19,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:56:19,496 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) [2025-03-16 22:56:19,502 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 [2025-03-16 22:56:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 22:56:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 22:56:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-16 22:56:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-16 22:56:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 22:56:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 22:56:19,571 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 22:56:19,572 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 22:56:29,588 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-03-16 22:56:29,588 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 22:56:29,609 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 22:56:29,609 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 22:56:29,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:56:29 BoogieIcfgContainer [2025-03-16 22:56:29,609 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 22:56:29,611 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 22:56:29,611 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 22:56:29,614 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 22:56:29,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 10:56:19" (1/3) ... [2025-03-16 22:56:29,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf0d024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:56:29, skipping insertion in model container [2025-03-16 22:56:29,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:56:19" (2/3) ... [2025-03-16 22:56:29,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf0d024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:56:29, skipping insertion in model container [2025-03-16 22:56:29,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:56:29" (3/3) ... [2025-03-16 22:56:29,616 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-43.i [2025-03-16 22:56:29,625 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 22:56:29,626 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-43.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 22:56:29,666 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 22:56:29,676 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;@124a45af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 22:56:29,676 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 22:56:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-16 22:56:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-03-16 22:56:29,689 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:56:29,690 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:56:29,690 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:56:29,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:56:29,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1529793287, now seen corresponding path program 1 times [2025-03-16 22:56:29,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 22:56:29,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325803662] [2025-03-16 22:56:29,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:56:29,705 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 [2025-03-16 22:56:29,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 22:56:29,707 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) [2025-03-16 22:56:29,711 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 [2025-03-16 22:56:29,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-16 22:56:30,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-16 22:56:30,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:56:30,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:56:30,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 22:56:30,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 22:56:30,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2025-03-16 22:56:30,196 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 22:56:30,197 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 22:56:30,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [325803662] [2025-03-16 22:56:30,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [325803662] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:56:30,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:56:30,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-16 22:56:30,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157675211] [2025-03-16 22:56:30,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:56:30,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 22:56:30,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 22:56:30,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 22:56:30,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 22:56:30,221 INFO L87 Difference]: Start difference. First operand has 63 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-16 22:56:30,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:56:30,245 INFO L93 Difference]: Finished difference Result 123 states and 222 transitions. [2025-03-16 22:56:30,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 22:56:30,246 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 157 [2025-03-16 22:56:30,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:56:30,251 INFO L225 Difference]: With dead ends: 123 [2025-03-16 22:56:30,251 INFO L226 Difference]: Without dead ends: 61 [2025-03-16 22:56:30,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 22:56:30,259 INFO L435 NwaCegarLoop]: 94 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, 94 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 [2025-03-16 22:56:30,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 22:56:30,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-03-16 22:56:30,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-03-16 22:56:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-16 22:56:30,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 94 transitions. [2025-03-16 22:56:30,298 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 94 transitions. Word has length 157 [2025-03-16 22:56:30,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:56:30,298 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 94 transitions. [2025-03-16 22:56:30,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-16 22:56:30,298 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 94 transitions. [2025-03-16 22:56:30,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-03-16 22:56:30,303 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:56:30,303 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:56:30,314 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 [2025-03-16 22:56:30,507 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 [2025-03-16 22:56:30,507 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:56:30,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:56:30,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1826585864, now seen corresponding path program 1 times [2025-03-16 22:56:30,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 22:56:30,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334531430] [2025-03-16 22:56:30,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:56:30,508 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 [2025-03-16 22:56:30,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 22:56:30,513 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) [2025-03-16 22:56:30,514 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 [2025-03-16 22:56:30,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-16 22:56:30,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-16 22:56:30,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:56:30,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:56:30,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-16 22:56:30,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 22:57:19,109 WARN L286 SmtUtils]: Spent 18.33s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-03-16 22:57:36,325 WARN L286 SmtUtils]: Spent 6.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-16 22:57:42,680 WARN L286 SmtUtils]: Spent 6.35s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-16 22:57:49,053 WARN L286 SmtUtils]: Spent 6.37s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)