./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 02:10:36,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 02:10:36,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 02:10:36,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 02:10:36,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 02:10:36,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 02:10:36,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 02:10:36,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 02:10:36,282 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 02:10:36,282 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 02:10:36,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 02:10:36,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 02:10:36,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 02:10:36,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 02:10:36,282 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 02:10:36,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 02:10:36,283 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 02:10:36,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:10:36,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 02:10:36,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 02:10:36,284 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 02:10:36,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 02:10:36,284 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 02:10:36,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 02:10:36,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 02:10:36,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 02:10:36,285 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 02:10:36,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 02:10:36,285 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c [2025-02-06 02:10:36,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 02:10:36,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 02:10:36,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 02:10:36,511 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 02:10:36,511 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 02:10:36,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2025-02-06 02:10:37,743 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bfedc8cb7/7971ca7aac66492b8d544500f493ad77/FLAG1a64a8470 [2025-02-06 02:10:38,051 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 02:10:38,052 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2025-02-06 02:10:38,058 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bfedc8cb7/7971ca7aac66492b8d544500f493ad77/FLAG1a64a8470 [2025-02-06 02:10:38,073 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bfedc8cb7/7971ca7aac66492b8d544500f493ad77 [2025-02-06 02:10:38,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 02:10:38,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 02:10:38,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 02:10:38,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 02:10:38,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 02:10:38,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333a9e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38, skipping insertion in model container [2025-02-06 02:10:38,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,097 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 02:10:38,214 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2025-02-06 02:10:38,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:10:38,259 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 02:10:38,270 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2025-02-06 02:10:38,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:10:38,324 INFO L204 MainTranslator]: Completed translation [2025-02-06 02:10:38,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38 WrapperNode [2025-02-06 02:10:38,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 02:10:38,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 02:10:38,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 02:10:38,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 02:10:38,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,374 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2025-02-06 02:10:38,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 02:10:38,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 02:10:38,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 02:10:38,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 02:10:38,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,396 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,413 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 02:10:38,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,420 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 02:10:38,424 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 02:10:38,424 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 02:10:38,424 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 02:10:38,425 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38" (1/1) ... [2025-02-06 02:10:38,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:10:38,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 02:10:38,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 02:10:38,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 02:10:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 02:10:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 02:10:38,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 02:10:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 02:10:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 02:10:38,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 02:10:38,546 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 02:10:38,547 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 02:10:38,703 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-06 02:10:38,707 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 02:10:38,712 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 02:10:38,712 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 02:10:38,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:10:38 BoogieIcfgContainer [2025-02-06 02:10:38,713 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 02:10:38,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 02:10:38,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 02:10:38,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 02:10:38,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:10:38" (1/3) ... [2025-02-06 02:10:38,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ae7565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:10:38, skipping insertion in model container [2025-02-06 02:10:38,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:38" (2/3) ... [2025-02-06 02:10:38,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ae7565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:10:38, skipping insertion in model container [2025-02-06 02:10:38,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:10:38" (3/3) ... [2025-02-06 02:10:38,719 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-46.i [2025-02-06 02:10:38,728 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 02:10:38,729 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-46.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 02:10:38,761 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 02:10:38,771 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;@201ffe30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 02:10:38,772 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 02:10:38,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 28 states have internal predecessors, (33), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 02:10:38,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-06 02:10:38,784 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:10:38,785 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:10:38,785 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:10:38,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:10:38,791 INFO L85 PathProgramCache]: Analyzing trace with hash 255127262, now seen corresponding path program 1 times [2025-02-06 02:10:38,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 02:10:38,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751116918] [2025-02-06 02:10:38,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:10:38,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 02:10:38,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 02:10:38,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 02:10:38,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:10:38,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:10:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-02-06 02:10:38,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 02:10:38,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751116918] [2025-02-06 02:10:38,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751116918] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 02:10:38,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045390063] [2025-02-06 02:10:38,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:10:38,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 02:10:38,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 02:10:38,984 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 02:10:38,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 02:10:39,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 02:10:39,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 02:10:39,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:10:39,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:10:39,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 02:10:39,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 02:10:39,110 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-02-06 02:10:39,111 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 02:10:39,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045390063] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 02:10:39,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 02:10:39,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 02:10:39,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499402175] [2025-02-06 02:10:39,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 02:10:39,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 02:10:39,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 02:10:39,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 02:10:39,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:10:39,128 INFO L87 Difference]: Start difference. First operand has 44 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 28 states have internal predecessors, (33), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 02:10:39,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 02:10:39,140 INFO L93 Difference]: Finished difference Result 82 states and 131 transitions. [2025-02-06 02:10:39,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 02:10:39,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 90 [2025-02-06 02:10:39,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 02:10:39,144 INFO L225 Difference]: With dead ends: 82 [2025-02-06 02:10:39,145 INFO L226 Difference]: Without dead ends: 41 [2025-02-06 02:10:39,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:10:39,148 INFO L435 NwaCegarLoop]: 56 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, 56 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 02:10:39,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 02:10:39,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-02-06 02:10:39,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-02-06 02:10:39,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 02:10:39,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2025-02-06 02:10:39,171 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 90 [2025-02-06 02:10:39,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 02:10:39,171 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2025-02-06 02:10:39,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 02:10:39,172 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2025-02-06 02:10:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-06 02:10:39,173 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:10:39,174 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:10:39,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 02:10:39,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 02:10:39,375 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:10:39,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:10:39,376 INFO L85 PathProgramCache]: Analyzing trace with hash 584511034, now seen corresponding path program 1 times [2025-02-06 02:10:39,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 02:10:39,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263575814] [2025-02-06 02:10:39,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:10:39,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 02:10:39,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 02:10:39,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 02:10:39,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:10:39,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 02:10:39,480 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 02:10:39,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 02:10:39,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 02:10:39,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:10:39,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 02:10:39,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 02:10:39,588 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 02:10:39,590 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 02:10:39,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 02:10:39,597 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 02:10:39,638 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 02:10:39,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 02:10:39 BoogieIcfgContainer [2025-02-06 02:10:39,640 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 02:10:39,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 02:10:39,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 02:10:39,641 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 02:10:39,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:10:38" (3/4) ... [2025-02-06 02:10:39,642 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 02:10:39,643 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 02:10:39,643 INFO L158 Benchmark]: Toolchain (without parser) took 1566.92ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 97.4MB in the end (delta: 6.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2025-02-06 02:10:39,644 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:10:39,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.99ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 91.9MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 02:10:39,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.85ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 91.1MB in the end (delta: 849.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:10:39,644 INFO L158 Benchmark]: Boogie Preprocessor took 44.06ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:10:39,644 INFO L158 Benchmark]: IcfgBuilder took 288.92ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 76.0MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 02:10:39,645 INFO L158 Benchmark]: TraceAbstraction took 925.55ms. Allocated memory is still 142.6MB. Free memory was 75.2MB in the beginning and 97.4MB in the end (delta: -22.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2025-02-06 02:10:39,645 INFO L158 Benchmark]: Witness Printer took 2.57ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 97.4MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:10:39,646 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.99ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 91.9MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.85ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 91.1MB in the end (delta: 849.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.06ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 288.92ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 76.0MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 925.55ms. Allocated memory is still 142.6MB. Free memory was 75.2MB in the beginning and 97.4MB in the end (delta: -22.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Witness Printer took 2.57ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 97.4MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 31, overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 255.3; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 1000000000000.5; [L25] double var_1_4 = 999999999.125; [L26] signed long int var_1_5 = 0; [L27] signed long int var_1_6 = 100; [L28] signed long int var_1_7 = 256; [L29] signed long int var_1_8 = -5; [L30] double var_1_9 = 24.2; [L31] double var_1_10 = -0.125; [L32] double var_1_11 = -0.5; VAL [isInitial=0, var_1_1=2553/10, var_1_2=0, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L78] isInitial = 1 [L79] FCALL initially() [L80] COND TRUE 1 [L81] FCALL updateLastVariables() [L82] CALL updateVariables() [L47] var_1_2 = __VERIFIER_nondet_uchar() [L48] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L48] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L49] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L49] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L50] var_1_3 = __VERIFIER_nondet_double() [L51] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L51] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L52] var_1_4 = __VERIFIER_nondet_double() [L53] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L53] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L54] var_1_5 = __VERIFIER_nondet_long() [L55] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L55] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L56] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L56] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L57] var_1_6 = __VERIFIER_nondet_long() [L58] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L58] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L59] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L59] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L60] var_1_7 = __VERIFIER_nondet_long() [L61] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L61] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L62] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L62] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L63] var_1_8 = __VERIFIER_nondet_long() [L64] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L64] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L65] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L65] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L66] var_1_9 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L67] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L68] var_1_10 = __VERIFIER_nondet_double() [L69] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L69] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L82] RET updateVariables() [L83] CALL step() [L36] signed long int stepLocal_0 = (((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)); VAL [isInitial=1, stepLocal_0=4, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L37] COND TRUE \read(var_1_2) [L38] var_1_1 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) VAL [isInitial=1, stepLocal_0=4, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L44] var_1_11 = var_1_3 VAL [isInitial=1, stepLocal_0=4, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L83] RET step() [L84] CALL, EXPR property() [L74-L75] return (var_1_2 ? (var_1_1 == ((double) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : ((((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7))) < var_1_8) ? (var_1_1 == ((double) (var_1_9 + var_1_10))) : 1)) && (var_1_11 == ((double) var_1_3)) ; VAL [\result=0, isInitial=1, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L84] RET, EXPR property() [L84] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L19] reach_error() VAL [isInitial=1, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 56 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 702/728 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-06 02:10:39,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 02:10:41,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 02:10:41,776 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 02:10:41,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 02:10:41,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 02:10:41,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 02:10:41,811 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 02:10:41,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 02:10:41,812 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 02:10:41,812 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 02:10:41,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 02:10:41,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 02:10:41,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 02:10:41,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 02:10:41,814 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 02:10:41,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 02:10:41,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 02:10:41,814 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 02:10:41,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 02:10:41,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 02:10:41,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 02:10:41,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 02:10:41,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 02:10:41,814 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 02:10:41,814 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 02:10:41,815 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:10:41,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 02:10:41,815 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c [2025-02-06 02:10:42,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 02:10:42,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 02:10:42,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 02:10:42,070 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 02:10:42,070 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 02:10:42,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2025-02-06 02:10:43,320 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9effd9844/f4e1e620370e4da09c19b0c66e3d7819/FLAGd363363d6 [2025-02-06 02:10:43,529 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 02:10:43,530 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2025-02-06 02:10:43,535 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9effd9844/f4e1e620370e4da09c19b0c66e3d7819/FLAGd363363d6 [2025-02-06 02:10:43,901 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9effd9844/f4e1e620370e4da09c19b0c66e3d7819 [2025-02-06 02:10:43,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 02:10:43,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 02:10:43,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 02:10:43,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 02:10:43,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 02:10:43,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:10:43" (1/1) ... [2025-02-06 02:10:43,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2076fad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:43, skipping insertion in model container [2025-02-06 02:10:43,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:10:43" (1/1) ... [2025-02-06 02:10:43,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 02:10:44,003 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2025-02-06 02:10:44,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:10:44,099 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 02:10:44,108 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2025-02-06 02:10:44,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:10:44,129 INFO L204 MainTranslator]: Completed translation [2025-02-06 02:10:44,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44 WrapperNode [2025-02-06 02:10:44,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 02:10:44,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 02:10:44,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 02:10:44,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 02:10:44,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44" (1/1) ... [2025-02-06 02:10:44,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44" (1/1) ... [2025-02-06 02:10:44,160 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2025-02-06 02:10:44,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 02:10:44,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 02:10:44,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 02:10:44,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 02:10:44,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44" (1/1) ... [2025-02-06 02:10:44,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44" (1/1) ... [2025-02-06 02:10:44,171 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44" (1/1) ... [2025-02-06 02:10:44,189 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 02:10:44,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44" (1/1) ... [2025-02-06 02:10:44,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44" (1/1) ... [2025-02-06 02:10:44,198 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44" (1/1) ... [2025-02-06 02:10:44,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44" (1/1) ... [2025-02-06 02:10:44,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44" (1/1) ... [2025-02-06 02:10:44,207 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44" (1/1) ... [2025-02-06 02:10:44,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 02:10:44,215 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 02:10:44,215 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 02:10:44,215 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 02:10:44,216 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44" (1/1) ... [2025-02-06 02:10:44,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:10:44,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 02:10:44,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 02:10:44,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 02:10:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 02:10:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 02:10:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 02:10:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 02:10:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 02:10:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 02:10:44,349 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 02:10:44,351 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 02:10:44,838 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-06 02:10:44,838 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 02:10:44,855 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 02:10:44,856 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 02:10:44,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:10:44 BoogieIcfgContainer [2025-02-06 02:10:44,856 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 02:10:44,859 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 02:10:44,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 02:10:44,865 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 02:10:44,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:10:43" (1/3) ... [2025-02-06 02:10:44,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219cd839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:10:44, skipping insertion in model container [2025-02-06 02:10:44,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:10:44" (2/3) ... [2025-02-06 02:10:44,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219cd839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:10:44, skipping insertion in model container [2025-02-06 02:10:44,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:10:44" (3/3) ... [2025-02-06 02:10:44,867 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-46.i [2025-02-06 02:10:44,877 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 02:10:44,878 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-46.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 02:10:44,917 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 02:10:44,927 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;@6c1ebd46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 02:10:44,929 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 02:10:44,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 28 states have internal predecessors, (33), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 02:10:44,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-06 02:10:44,940 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:10:44,940 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:10:44,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:10:44,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:10:44,946 INFO L85 PathProgramCache]: Analyzing trace with hash 255127262, now seen corresponding path program 1 times [2025-02-06 02:10:44,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 02:10:44,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076865684] [2025-02-06 02:10:44,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:10:44,960 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 02:10:44,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 02:10:44,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-06 02:10:44,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-02-06 02:10:45,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 02:10:45,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 02:10:45,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:10:45,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:10:45,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 02:10:45,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 02:10:45,222 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2025-02-06 02:10:45,223 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 02:10:45,226 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 02:10:45,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076865684] [2025-02-06 02:10:45,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076865684] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 02:10:45,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 02:10:45,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 02:10:45,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129573333] [2025-02-06 02:10:45,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 02:10:45,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 02:10:45,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 02:10:45,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 02:10:45,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:10:45,251 INFO L87 Difference]: Start difference. First operand has 44 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 28 states have internal predecessors, (33), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 02:10:45,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 02:10:45,271 INFO L93 Difference]: Finished difference Result 82 states and 131 transitions. [2025-02-06 02:10:45,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 02:10:45,272 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 90 [2025-02-06 02:10:45,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 02:10:45,277 INFO L225 Difference]: With dead ends: 82 [2025-02-06 02:10:45,277 INFO L226 Difference]: Without dead ends: 41 [2025-02-06 02:10:45,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:10:45,283 INFO L435 NwaCegarLoop]: 56 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, 56 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 02:10:45,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 02:10:45,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-02-06 02:10:45,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-02-06 02:10:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 02:10:45,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2025-02-06 02:10:45,320 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 90 [2025-02-06 02:10:45,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 02:10:45,321 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2025-02-06 02:10:45,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 02:10:45,321 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2025-02-06 02:10:45,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-06 02:10:45,324 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:10:45,324 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:10:45,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-06 02:10:45,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 02:10:45,525 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:10:45,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:10:45,525 INFO L85 PathProgramCache]: Analyzing trace with hash 584511034, now seen corresponding path program 1 times [2025-02-06 02:10:45,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 02:10:45,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773396143] [2025-02-06 02:10:45,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:10:45,527 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 02:10:45,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 02:10:45,530 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-06 02:10:45,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-06 02:10:45,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 02:10:45,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 02:10:45,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:10:45,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:10:45,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 02:10:45,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 02:11:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 118 proven. 60 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-02-06 02:11:02,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 02:11:53,598 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 02:11:53,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773396143] [2025-02-06 02:11:53,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1773396143] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 02:11:53,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [686698795] [2025-02-06 02:11:53,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:11:53,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-02-06 02:11:53,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-02-06 02:11:53,602 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-02-06 02:11:53,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2025-02-06 02:11:53,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 02:11:54,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 02:11:54,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:11:54,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:11:54,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 02:11:54,214 INFO L279 TraceCheckSpWp]: Computing forward predicates...