./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.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 a73084f948d8d41cfb02b0d66925e7d51321bd31c6c12132e74a6ec99c997905 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 15:30:43,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 15:30:43,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 15:30:43,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 15:30:43,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 15:30:43,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 15:30:43,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 15:30:43,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 15:30:43,247 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 15:30:43,247 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 15:30:43,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 15:30:43,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 15:30:43,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 15:30:43,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 15:30:43,248 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 15:30:43,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 15:30:43,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 15:30:43,248 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 15:30:43,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 15:30:43,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 15:30:43,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 15:30:43,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 15:30:43,249 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 15:30:43,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 15:30:43,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 15:30:43,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 15:30:43,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 15:30:43,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 15:30:43,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 15:30:43,250 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 -> a73084f948d8d41cfb02b0d66925e7d51321bd31c6c12132e74a6ec99c997905 [2025-03-08 15:30:43,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 15:30:43,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 15:30:43,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 15:30:43,552 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 15:30:43,552 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 15:30:43,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i [2025-03-08 15:30:44,746 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c946f80/f1dc0b2c310a4844a39ad15189b46bfb/FLAG2983a5901 [2025-03-08 15:30:45,016 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 15:30:45,018 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i [2025-03-08 15:30:45,026 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c946f80/f1dc0b2c310a4844a39ad15189b46bfb/FLAG2983a5901 [2025-03-08 15:30:45,044 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c946f80/f1dc0b2c310a4844a39ad15189b46bfb [2025-03-08 15:30:45,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 15:30:45,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 15:30:45,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 15:30:45,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 15:30:45,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 15:30:45,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2078f7b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45, skipping insertion in model container [2025-03-08 15:30:45,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,074 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 15:30:45,181 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_operatoramount_amount25_file-24.i[915,928] [2025-03-08 15:30:45,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 15:30:45,242 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 15:30:45,251 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_operatoramount_amount25_file-24.i[915,928] [2025-03-08 15:30:45,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 15:30:45,295 INFO L204 MainTranslator]: Completed translation [2025-03-08 15:30:45,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45 WrapperNode [2025-03-08 15:30:45,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 15:30:45,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 15:30:45,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 15:30:45,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 15:30:45,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,339 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2025-03-08 15:30:45,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 15:30:45,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 15:30:45,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 15:30:45,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 15:30:45,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,365 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 15:30:45,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,369 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 15:30:45,373 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 15:30:45,374 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 15:30:45,374 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 15:30:45,375 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45" (1/1) ... [2025-03-08 15:30:45,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 15:30:45,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 15:30:45,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 15:30:45,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 15:30:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 15:30:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 15:30:45,421 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 15:30:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 15:30:45,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 15:30:45,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 15:30:45,471 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 15:30:45,472 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 15:30:45,672 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-08 15:30:45,673 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 15:30:45,680 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 15:30:45,680 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 15:30:45,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:30:45 BoogieIcfgContainer [2025-03-08 15:30:45,681 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 15:30:45,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 15:30:45,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 15:30:45,686 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 15:30:45,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 03:30:45" (1/3) ... [2025-03-08 15:30:45,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16772c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:30:45, skipping insertion in model container [2025-03-08 15:30:45,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:45" (2/3) ... [2025-03-08 15:30:45,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16772c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:30:45, skipping insertion in model container [2025-03-08 15:30:45,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:30:45" (3/3) ... [2025-03-08 15:30:45,688 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-24.i [2025-03-08 15:30:45,698 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 15:30:45,700 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-24.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 15:30:45,746 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 15:30:45,755 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;@7ef2c6d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 15:30:45,756 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 15:30:45,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-08 15:30:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-08 15:30:45,768 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 15:30:45,769 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 15:30:45,769 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 15:30:45,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 15:30:45,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1362119870, now seen corresponding path program 1 times [2025-03-08 15:30:45,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 15:30:45,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575450398] [2025-03-08 15:30:45,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 15:30:45,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 15:30:45,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-08 15:30:45,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-08 15:30:45,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 15:30:45,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 15:30:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-08 15:30:45,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 15:30:45,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575450398] [2025-03-08 15:30:45,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575450398] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 15:30:45,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220301745] [2025-03-08 15:30:45,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 15:30:45,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 15:30:45,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 15:30:45,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 15:30:45,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 15:30:46,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-08 15:30:46,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-08 15:30:46,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 15:30:46,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 15:30:46,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 15:30:46,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 15:30:46,117 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-08 15:30:46,117 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 15:30:46,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220301745] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 15:30:46,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 15:30:46,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 15:30:46,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814221544] [2025-03-08 15:30:46,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 15:30:46,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 15:30:46,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 15:30:46,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 15:30:46,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 15:30:46,137 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 15:30:46,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 15:30:46,152 INFO L93 Difference]: Finished difference Result 88 states and 146 transitions. [2025-03-08 15:30:46,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 15:30:46,154 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2025-03-08 15:30:46,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 15:30:46,158 INFO L225 Difference]: With dead ends: 88 [2025-03-08 15:30:46,158 INFO L226 Difference]: Without dead ends: 44 [2025-03-08 15:30:46,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 15:30:46,163 INFO L435 NwaCegarLoop]: 63 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, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 15:30:46,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 15:30:46,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-03-08 15:30:46,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2025-03-08 15:30:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-08 15:30:46,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2025-03-08 15:30:46,191 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 96 [2025-03-08 15:30:46,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 15:30:46,191 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2025-03-08 15:30:46,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 15:30:46,192 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2025-03-08 15:30:46,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-08 15:30:46,194 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 15:30:46,195 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 15:30:46,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 15:30:46,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 15:30:46,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 15:30:46,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 15:30:46,398 INFO L85 PathProgramCache]: Analyzing trace with hash 222624573, now seen corresponding path program 1 times [2025-03-08 15:30:46,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 15:30:46,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942919008] [2025-03-08 15:30:46,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 15:30:46,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 15:30:46,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-08 15:30:46,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-08 15:30:46,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 15:30:46,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 15:30:46,522 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 15:30:46,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-08 15:30:46,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-08 15:30:46,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 15:30:46,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 15:30:46,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 15:30:46,633 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 15:30:46,634 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 15:30:46,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 15:30:46,637 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 15:30:46,685 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 15:30:46,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 03:30:46 BoogieIcfgContainer [2025-03-08 15:30:46,688 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 15:30:46,689 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 15:30:46,689 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 15:30:46,689 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 15:30:46,690 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:30:45" (3/4) ... [2025-03-08 15:30:46,692 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 15:30:46,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 15:30:46,694 INFO L158 Benchmark]: Toolchain (without parser) took 1643.18ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 82.9MB in the end (delta: 22.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2025-03-08 15:30:46,694 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 192.9MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 15:30:46,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.68ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 92.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 15:30:46,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.72ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 89.9MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 15:30:46,695 INFO L158 Benchmark]: Boogie Preprocessor took 29.81ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 86.7MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 15:30:46,695 INFO L158 Benchmark]: IcfgBuilder took 307.50ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 70.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 15:30:46,696 INFO L158 Benchmark]: TraceAbstraction took 1005.82ms. Allocated memory is still 142.6MB. Free memory was 69.8MB in the beginning and 82.9MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 15:30:46,696 INFO L158 Benchmark]: Witness Printer took 3.69ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 82.9MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 15:30:46,697 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 192.9MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.68ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 92.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.72ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 89.9MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.81ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 86.7MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 307.50ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 70.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1005.82ms. Allocated memory is still 142.6MB. Free memory was 69.8MB in the beginning and 82.9MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.69ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 82.9MB 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 37, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of someBinaryFLOATComparisonOperation at line 64. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] unsigned char var_1_2 = 0; [L24] float var_1_3 = 127.1; [L25] signed char var_1_4 = 16; [L26] signed char var_1_5 = 4; [L27] unsigned char var_1_6 = 8; [L28] float var_1_7 = 1000000.6; [L29] unsigned char var_1_8 = 64; [L30] unsigned char var_1_9 = 64; [L31] unsigned char var_1_10 = 128; [L32] unsigned char var_1_11 = 32; [L33] float var_1_12 = 16.8; VAL [isInitial=0, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] FCALL updateLastVariables() [L96] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L62] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L62] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L63] var_1_3 = __VERIFIER_nondet_float() [L64] 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, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L64] 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, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L65] var_1_4 = __VERIFIER_nondet_char() [L66] CALL assume_abort_if_not(var_1_4 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L66] RET assume_abort_if_not(var_1_4 >= -1) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L67] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L67] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L68] var_1_5 = __VERIFIER_nondet_char() [L69] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L69] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L70] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L70] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L71] var_1_7 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=64, var_1_9=64] [L72] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=64, var_1_9=64] [L73] var_1_8 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_8 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=64] [L74] RET assume_abort_if_not(var_1_8 >= 63) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=64] [L75] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=64] [L75] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=64] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L77] RET assume_abort_if_not(var_1_9 >= 64) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L78] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L78] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L79] var_1_10 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L80] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L81] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L81] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L82] var_1_12 = __VERIFIER_nondet_float() [L83] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L83] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=32, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L96] RET updateVariables() [L97] CALL step() [L37] COND FALSE !(var_1_2 || (64.75f < var_1_3)) [L44] var_1_1 = var_1_5 VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=126, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=8, var_1_8=127, var_1_9=127] [L46] COND TRUE var_1_3 <= var_1_7 [L47] var_1_6 = ((((((var_1_8 + var_1_9)) > (((((var_1_10) > (200)) ? (var_1_10) : (200))))) ? ((var_1_8 + var_1_9)) : (((((var_1_10) > (200)) ? (var_1_10) : (200)))))) - var_1_5) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=126, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=128, var_1_8=127, var_1_9=127] [L51] COND FALSE !(((((var_1_6) > (var_1_8)) ? (var_1_6) : (var_1_8))) <= var_1_10) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=126, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=128, var_1_8=127, var_1_9=127] [L97] RET step() [L98] CALL, EXPR property() [L88-L89] return (((var_1_2 || (64.75f < var_1_3)) ? (var_1_2 ? (var_1_1 == ((signed char) (var_1_4 - var_1_5))) : (var_1_1 == ((signed char) var_1_4))) : (var_1_1 == ((signed char) var_1_5))) && ((var_1_3 <= var_1_7) ? (var_1_6 == ((unsigned char) ((((((var_1_8 + var_1_9)) > (((((var_1_10) > (200)) ? (var_1_10) : (200))))) ? ((var_1_8 + var_1_9)) : (((((var_1_10) > (200)) ? (var_1_10) : (200)))))) - var_1_5))) : (var_1_6 == ((unsigned char) var_1_10)))) && ((((((var_1_6) > (var_1_8)) ? (var_1_6) : (var_1_8))) <= var_1_10) ? ((var_1_3 == (var_1_7 + var_1_12)) ? (var_1_11 == ((unsigned char) (var_1_9 + var_1_5))) : (var_1_11 == ((unsigned char) var_1_9))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=127, var_1_11=32, var_1_1=126, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=128, var_1_8=127, var_1_9=127] [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=126, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=128, var_1_8=127, var_1_9=127] [L19] reach_error() VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=126, var_1_2=0, var_1_4=126, var_1_5=126, var_1_6=128, var_1_8=127, var_1_9=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 83 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 15, 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, 63 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, 63 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 220 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 812/840 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 15:30:46,715 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_operatoramount_amount25_file-24.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 a73084f948d8d41cfb02b0d66925e7d51321bd31c6c12132e74a6ec99c997905 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 15:30:48,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 15:30:48,670 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 15:30:48,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 15:30:48,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 15:30:48,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 15:30:48,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 15:30:48,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 15:30:48,696 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 15:30:48,696 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 15:30:48,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 15:30:48,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 15:30:48,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 15:30:48,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 15:30:48,697 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 15:30:48,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 15:30:48,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 15:30:48,697 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 15:30:48,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 15:30:48,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 15:30:48,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 15:30:48,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 15:30:48,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 15:30:48,698 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 15:30:48,698 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 15:30:48,698 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 15:30:48,698 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 15:30:48,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 15:30:48,698 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 15:30:48,698 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 15:30:48,698 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 15:30:48,698 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 15:30:48,699 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 15:30:48,699 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 15:30:48,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 15:30:48,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 15:30:48,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 15:30:48,699 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 15:30:48,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 15:30:48,699 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 15:30:48,699 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 15:30:48,699 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 15:30:48,699 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 15:30:48,699 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 15:30:48,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 15:30:48,700 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 -> a73084f948d8d41cfb02b0d66925e7d51321bd31c6c12132e74a6ec99c997905 [2025-03-08 15:30:48,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 15:30:48,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 15:30:48,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 15:30:48,949 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 15:30:48,949 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 15:30:48,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i [2025-03-08 15:30:50,156 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7998d41a/13d46c38a34a42eea6b893d201ac6587/FLAG6034d6df4 [2025-03-08 15:30:50,369 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 15:30:50,370 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i [2025-03-08 15:30:50,378 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7998d41a/13d46c38a34a42eea6b893d201ac6587/FLAG6034d6df4 [2025-03-08 15:30:50,395 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7998d41a/13d46c38a34a42eea6b893d201ac6587 [2025-03-08 15:30:50,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 15:30:50,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 15:30:50,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 15:30:50,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 15:30:50,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 15:30:50,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a58a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50, skipping insertion in model container [2025-03-08 15:30:50,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 15:30:50,544 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_operatoramount_amount25_file-24.i[915,928] [2025-03-08 15:30:50,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 15:30:50,607 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 15:30:50,619 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_operatoramount_amount25_file-24.i[915,928] [2025-03-08 15:30:50,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 15:30:50,652 INFO L204 MainTranslator]: Completed translation [2025-03-08 15:30:50,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50 WrapperNode [2025-03-08 15:30:50,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 15:30:50,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 15:30:50,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 15:30:50,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 15:30:50,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,689 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2025-03-08 15:30:50,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 15:30:50,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 15:30:50,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 15:30:50,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 15:30:50,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,702 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,714 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 15:30:50,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,721 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 15:30:50,728 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 15:30:50,728 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 15:30:50,728 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 15:30:50,729 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50" (1/1) ... [2025-03-08 15:30:50,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 15:30:50,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 15:30:50,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 15:30:50,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 15:30:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 15:30:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 15:30:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 15:30:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 15:30:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 15:30:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 15:30:50,831 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 15:30:50,833 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 15:30:51,134 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-08 15:30:51,134 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 15:30:51,140 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 15:30:51,140 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 15:30:51,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:30:51 BoogieIcfgContainer [2025-03-08 15:30:51,141 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 15:30:51,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 15:30:51,143 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 15:30:51,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 15:30:51,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 03:30:50" (1/3) ... [2025-03-08 15:30:51,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31478e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:30:51, skipping insertion in model container [2025-03-08 15:30:51,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:50" (2/3) ... [2025-03-08 15:30:51,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31478e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:30:51, skipping insertion in model container [2025-03-08 15:30:51,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:30:51" (3/3) ... [2025-03-08 15:30:51,149 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-24.i [2025-03-08 15:30:51,160 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 15:30:51,161 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-24.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 15:30:51,197 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 15:30:51,204 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;@381dac0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 15:30:51,205 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 15:30:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-08 15:30:51,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-08 15:30:51,217 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 15:30:51,218 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 15:30:51,218 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 15:30:51,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 15:30:51,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1362119870, now seen corresponding path program 1 times [2025-03-08 15:30:51,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 15:30:51,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [240086790] [2025-03-08 15:30:51,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 15:30:51,245 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 15:30:51,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 15:30:51,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 15:30:51,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-08 15:30:51,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-08 15:30:51,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-08 15:30:51,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 15:30:51,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 15:30:51,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 15:30:51,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 15:30:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2025-03-08 15:30:51,483 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 15:30:51,484 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 15:30:51,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [240086790] [2025-03-08 15:30:51,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [240086790] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 15:30:51,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 15:30:51,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 15:30:51,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745974692] [2025-03-08 15:30:51,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 15:30:51,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 15:30:51,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 15:30:51,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 15:30:51,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 15:30:51,509 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 15:30:51,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 15:30:51,527 INFO L93 Difference]: Finished difference Result 88 states and 146 transitions. [2025-03-08 15:30:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 15:30:51,529 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2025-03-08 15:30:51,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 15:30:51,535 INFO L225 Difference]: With dead ends: 88 [2025-03-08 15:30:51,535 INFO L226 Difference]: Without dead ends: 44 [2025-03-08 15:30:51,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 15:30:51,542 INFO L435 NwaCegarLoop]: 63 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, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 15:30:51,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 15:30:51,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-03-08 15:30:51,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2025-03-08 15:30:51,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-08 15:30:51,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2025-03-08 15:30:51,578 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 96 [2025-03-08 15:30:51,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 15:30:51,579 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2025-03-08 15:30:51,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 15:30:51,579 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2025-03-08 15:30:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-08 15:30:51,584 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 15:30:51,584 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 15:30:51,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-08 15:30:51,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 15:30:51,786 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 15:30:51,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 15:30:51,786 INFO L85 PathProgramCache]: Analyzing trace with hash 222624573, now seen corresponding path program 1 times [2025-03-08 15:30:51,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 15:30:51,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775463700] [2025-03-08 15:30:51,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 15:30:51,787 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 15:30:51,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 15:30:51,789 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 15:30:51,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-08 15:30:51,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-08 15:30:51,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-08 15:30:51,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 15:30:51,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 15:30:51,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-08 15:30:51,967 INFO L279 TraceCheckSpWp]: Computing forward predicates...