./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-52.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 3458ca2e5bb686462699bd5ca1b5a70e0e6721bcda37bfc20e4d8c7e3f67bcd7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 02:44:59,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 02:44:59,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-17 02:44:59,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 02:44:59,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 02:44:59,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 02:44:59,321 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 02:44:59,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 02:44:59,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 02:44:59,322 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 02:44:59,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 02:44:59,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 02:44:59,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 02:44:59,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 02:44:59,323 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 02:44:59,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 02:44:59,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 02:44:59,324 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 02:44:59,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 02:44:59,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 02:44:59,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 02:44:59,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 02:44:59,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 02:44:59,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 02:44:59,324 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 02:44:59,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 02:44:59,324 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 02:44:59,324 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 02:44:59,324 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 02:44:59,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 02:44:59,325 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 02:44:59,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 02:44:59,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:44:59,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 02:44:59,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 02:44:59,325 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 02:44:59,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 02:44:59,325 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 02:44:59,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 02:44:59,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 02:44:59,326 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 02:44:59,326 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 02:44:59,326 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 02:44:59,326 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 -> 3458ca2e5bb686462699bd5ca1b5a70e0e6721bcda37bfc20e4d8c7e3f67bcd7 [2025-03-17 02:44:59,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 02:44:59,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 02:44:59,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 02:44:59,561 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 02:44:59,562 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 02:44:59,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-52.i [2025-03-17 02:45:00,772 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e7ed8cfc/248f0062ff854b78af04b6462b6d4a24/FLAG4882d8717 [2025-03-17 02:45:00,977 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 02:45:00,978 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-52.i [2025-03-17 02:45:00,983 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e7ed8cfc/248f0062ff854b78af04b6462b6d4a24/FLAG4882d8717 [2025-03-17 02:45:00,993 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e7ed8cfc/248f0062ff854b78af04b6462b6d4a24 [2025-03-17 02:45:00,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 02:45:00,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 02:45:00,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 02:45:00,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 02:45:01,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 02:45:01,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:45:00" (1/1) ... [2025-03-17 02:45:01,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248f082d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01, skipping insertion in model container [2025-03-17 02:45:01,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:45:00" (1/1) ... [2025-03-17 02:45:01,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 02:45:01,113 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_floatingpointinfluence_has-floats_file-52.i[917,930] [2025-03-17 02:45:01,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:45:01,154 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 02:45:01,161 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_floatingpointinfluence_has-floats_file-52.i[917,930] [2025-03-17 02:45:01,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:45:01,191 INFO L204 MainTranslator]: Completed translation [2025-03-17 02:45:01,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01 WrapperNode [2025-03-17 02:45:01,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 02:45:01,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 02:45:01,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 02:45:01,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 02:45:01,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01" (1/1) ... [2025-03-17 02:45:01,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01" (1/1) ... [2025-03-17 02:45:01,222 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2025-03-17 02:45:01,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 02:45:01,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 02:45:01,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 02:45:01,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 02:45:01,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01" (1/1) ... [2025-03-17 02:45:01,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01" (1/1) ... [2025-03-17 02:45:01,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01" (1/1) ... [2025-03-17 02:45:01,241 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]. [2025-03-17 02:45:01,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01" (1/1) ... [2025-03-17 02:45:01,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01" (1/1) ... [2025-03-17 02:45:01,245 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01" (1/1) ... [2025-03-17 02:45:01,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01" (1/1) ... [2025-03-17 02:45:01,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01" (1/1) ... [2025-03-17 02:45:01,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01" (1/1) ... [2025-03-17 02:45:01,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 02:45:01,252 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 02:45:01,253 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 02:45:01,253 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 02:45:01,253 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01" (1/1) ... [2025-03-17 02:45:01,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:45:01,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:45:01,282 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) [2025-03-17 02:45:01,289 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 [2025-03-17 02:45:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 02:45:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 02:45:01,312 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 02:45:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 02:45:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 02:45:01,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 02:45:01,383 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 02:45:01,386 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 02:45:01,685 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L98: havoc property_#t~ite17#1;havoc property_#t~bitwise16#1;havoc property_#t~short18#1; [2025-03-17 02:45:01,759 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-03-17 02:45:01,759 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 02:45:01,781 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 02:45:01,781 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 02:45:01,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:45:01 BoogieIcfgContainer [2025-03-17 02:45:01,782 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 02:45:01,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 02:45:01,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 02:45:01,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 02:45:01,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:45:00" (1/3) ... [2025-03-17 02:45:01,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f69021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:45:01, skipping insertion in model container [2025-03-17 02:45:01,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:01" (2/3) ... [2025-03-17 02:45:01,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f69021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:45:01, skipping insertion in model container [2025-03-17 02:45:01,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:45:01" (3/3) ... [2025-03-17 02:45:01,806 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-52.i [2025-03-17 02:45:01,820 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 02:45:01,822 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-52.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 02:45:01,924 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 02:45:01,937 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;@4dc50d77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 02:45:01,937 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 02:45:01,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 02:45:01,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-03-17 02:45:01,949 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:45:01,949 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:45:01,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:45:01,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:45:01,953 INFO L85 PathProgramCache]: Analyzing trace with hash -290288263, now seen corresponding path program 1 times [2025-03-17 02:45:01,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 02:45:01,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839537183] [2025-03-17 02:45:01,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:45:01,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 02:45:02,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 02:45:02,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 02:45:02,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:45:02,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:45:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-03-17 02:45:02,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 02:45:02,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839537183] [2025-03-17 02:45:02,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839537183] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 02:45:02,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21781206] [2025-03-17 02:45:02,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:45:02,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 02:45:02,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:45:02,175 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) [2025-03-17 02:45:02,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 02:45:02,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 02:45:02,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 02:45:02,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:45:02,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:45:02,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 02:45:02,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 02:45:02,329 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-03-17 02:45:02,329 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 02:45:02,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21781206] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 02:45:02,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 02:45:02,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 02:45:02,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574313947] [2025-03-17 02:45:02,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 02:45:02,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 02:45:02,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 02:45:02,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 02:45:02,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:45:02,350 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-17 02:45:02,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 02:45:02,375 INFO L93 Difference]: Finished difference Result 113 states and 190 transitions. [2025-03-17 02:45:02,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 02:45:02,382 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2025-03-17 02:45:02,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 02:45:02,387 INFO L225 Difference]: With dead ends: 113 [2025-03-17 02:45:02,388 INFO L226 Difference]: Without dead ends: 56 [2025-03-17 02:45:02,391 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:45:02,393 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 02:45:02,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 02:45:02,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-03-17 02:45:02,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2025-03-17 02:45:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 02:45:02,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2025-03-17 02:45:02,493 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 113 [2025-03-17 02:45:02,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 02:45:02,493 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2025-03-17 02:45:02,494 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-17 02:45:02,494 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2025-03-17 02:45:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-03-17 02:45:02,498 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:45:02,498 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:45:02,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 02:45:02,698 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 [2025-03-17 02:45:02,699 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:45:02,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:45:02,703 INFO L85 PathProgramCache]: Analyzing trace with hash 393159773, now seen corresponding path program 1 times [2025-03-17 02:45:02,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 02:45:02,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338967538] [2025-03-17 02:45:02,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:45:02,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 02:45:02,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 02:45:02,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 02:45:02,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:45:02,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:45:03,269 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2025-03-17 02:45:03,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 02:45:03,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338967538] [2025-03-17 02:45:03,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338967538] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 02:45:03,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482567763] [2025-03-17 02:45:03,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:45:03,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 02:45:03,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:45:03,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 02:45:03,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 02:45:03,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 02:45:03,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 02:45:03,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:45:03,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:45:03,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 02:45:03,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 02:45:03,694 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 293 proven. 33 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2025-03-17 02:45:03,694 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 02:45:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2025-03-17 02:45:03,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482567763] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 02:45:03,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 02:45:03,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-03-17 02:45:03,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114241393] [2025-03-17 02:45:03,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 02:45:03,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 02:45:03,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 02:45:03,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 02:45:03,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 02:45:03,866 INFO L87 Difference]: Start difference. First operand 56 states and 83 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2025-03-17 02:45:04,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 02:45:04,051 INFO L93 Difference]: Finished difference Result 129 states and 188 transitions. [2025-03-17 02:45:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 02:45:04,052 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 113 [2025-03-17 02:45:04,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 02:45:04,053 INFO L225 Difference]: With dead ends: 129 [2025-03-17 02:45:04,053 INFO L226 Difference]: Without dead ends: 74 [2025-03-17 02:45:04,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2025-03-17 02:45:04,054 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 40 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 02:45:04,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 161 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 02:45:04,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-03-17 02:45:04,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 69. [2025-03-17 02:45:04,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 43 states have internal predecessors, (52), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-17 02:45:04,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2025-03-17 02:45:04,063 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 113 [2025-03-17 02:45:04,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 02:45:04,064 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2025-03-17 02:45:04,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2025-03-17 02:45:04,064 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2025-03-17 02:45:04,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-03-17 02:45:04,065 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:45:04,065 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:45:04,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 02:45:04,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-17 02:45:04,270 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:45:04,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:45:04,271 INFO L85 PathProgramCache]: Analyzing trace with hash -2094353060, now seen corresponding path program 1 times [2025-03-17 02:45:04,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 02:45:04,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289037079] [2025-03-17 02:45:04,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:45:04,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 02:45:04,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 02:45:04,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 02:45:04,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:45:04,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 02:45:04,321 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 02:45:04,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 02:45:04,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 02:45:04,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:45:04,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 02:45:04,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 02:45:04,388 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 02:45:04,389 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 02:45:04,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 02:45:04,392 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-17 02:45:04,453 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 02:45:04,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 02:45:04 BoogieIcfgContainer [2025-03-17 02:45:04,455 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 02:45:04,456 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 02:45:04,456 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 02:45:04,456 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 02:45:04,456 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:45:01" (3/4) ... [2025-03-17 02:45:04,458 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 02:45:04,458 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 02:45:04,459 INFO L158 Benchmark]: Toolchain (without parser) took 3462.83ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 50.8MB in the end (delta: 59.1MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2025-03-17 02:45:04,459 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:45:04,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.97ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 96.8MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 02:45:04,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.28ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 95.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:45:04,464 INFO L158 Benchmark]: Boogie Preprocessor took 27.81ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 92.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:45:04,464 INFO L158 Benchmark]: IcfgBuilder took 529.92ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 74.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 02:45:04,464 INFO L158 Benchmark]: TraceAbstraction took 2670.82ms. Allocated memory is still 142.6MB. Free memory was 74.9MB in the beginning and 51.8MB in the end (delta: 23.1MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2025-03-17 02:45:04,464 INFO L158 Benchmark]: Witness Printer took 2.49ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 50.8MB in the end (delta: 936.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:45:04,465 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.97ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 96.8MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.28ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 95.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.81ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 92.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 529.92ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 74.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2670.82ms. Allocated memory is still 142.6MB. Free memory was 74.9MB in the beginning and 51.8MB in the end (delta: 23.1MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Witness Printer took 2.49ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 50.8MB in the end (delta: 936.4kB). 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 someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] signed short int var_1_3 = 32; [L24] signed short int var_1_4 = -1; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] double var_1_10 = 25.7; [L31] double var_1_11 = 256.5; [L32] double var_1_12 = 0.0; [L33] double var_1_13 = 31.1; [L34] double var_1_14 = 256.6; [L35] unsigned long int var_1_15 = 8; [L36] unsigned char var_1_16 = 16; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] FCALL updateLastVariables() [L106] CALL updateVariables() [L65] var_1_3 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L67] CALL assume_abort_if_not(var_1_3 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L67] RET assume_abort_if_not(var_1_3 <= 32766) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L68] var_1_4 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L69] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L70] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L71] var_1_6 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L72] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L73] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L74] var_1_7 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L75] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L76] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L77] var_1_8 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L78] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L79] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L81] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L82] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L82] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L83] var_1_11 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L84] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L85] var_1_12 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L86] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L87] var_1_13 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L88] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L89] var_1_14 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L90] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L91] var_1_16 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_15=8, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_15=8, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L92] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=257/10, var_1_15=8, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_16 <= 30) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L93] RET assume_abort_if_not(var_1_16 <= 30) VAL [isInitial=1, var_1_10=257/10, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L106] RET updateVariables() [L107] CALL step() [L40] signed short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=2016, var_1_10=257/10, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L41] COND FALSE !(stepLocal_0 > ((var_1_4 / -256) * 32)) [L48] var_1_5 = var_1_9 VAL [isInitial=1, var_1_10=257/10, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L50] COND TRUE \read(var_1_7) [L51] var_1_10 = (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))) VAL [isInitial=1, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=2016, var_1_4=-16129, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L53] COND TRUE var_1_10 < 63.75 [L54] var_1_1 = (10 - var_1_3) VAL [isInitial=1, var_1_15=8, var_1_16=30, var_1_1=-2006, var_1_3=2016, var_1_4=-16129, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L58] COND FALSE !(! (var_1_13 < (127.125 / var_1_12))) VAL [isInitial=1, var_1_15=8, var_1_16=30, var_1_1=-2006, var_1_3=2016, var_1_4=-16129, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L107] RET step() [L108] CALL, EXPR property() [L98] EXPR ((((var_1_10 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_3))) : (var_1_1 == ((signed short int) (4 + var_1_4)))) && ((var_1_3 > ((var_1_4 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && var_1_8)))) : (var_1_5 == ((unsigned char) var_1_8))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_7 ? (var_1_10 == ((double) (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))))) : 1)) && ((! (var_1_13 < (127.125 / var_1_12))) ? ((var_1_1 <= ((var_1_4 * var_1_3) + (-2 << var_1_16))) ? (var_1_15 == ((unsigned long int) var_1_3)) : 1) : 1) VAL [isInitial=1, var_1_15=8, var_1_16=30, var_1_1=-2006, var_1_3=2016, var_1_4=-16129, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L98-L99] return ((((var_1_10 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_3))) : (var_1_1 == ((signed short int) (4 + var_1_4)))) && ((var_1_3 > ((var_1_4 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && var_1_8)))) : (var_1_5 == ((unsigned char) var_1_8))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_7 ? (var_1_10 == ((double) (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))))) : 1)) && ((! (var_1_13 < (127.125 / var_1_12))) ? ((var_1_1 <= ((var_1_4 * var_1_3) + (-2 << var_1_16))) ? (var_1_15 == ((unsigned long int) var_1_3)) : 1) : 1) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_15=8, var_1_16=30, var_1_1=-2006, var_1_3=2016, var_1_4=-16129, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_15=8, var_1_16=30, var_1_1=-2006, var_1_3=2016, var_1_4=-16129, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 105 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 242 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 151 mSDtfsCounter, 164 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 347 GetRequests, 337 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 565 NumberOfCodeBlocks, 565 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 560 ConstructedInterpolants, 0 QuantifiedInterpolants, 1034 SizeOfPredicates, 0 NumberOfNonLiveVariables, 508 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 2927/3060 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 [2025-03-17 02:45:04,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-52.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 3458ca2e5bb686462699bd5ca1b5a70e0e6721bcda37bfc20e4d8c7e3f67bcd7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 02:45:06,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 02:45:06,652 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-17 02:45:06,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 02:45:06,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 02:45:06,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 02:45:06,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 02:45:06,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 02:45:06,725 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 02:45:06,725 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 02:45:06,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 02:45:06,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 02:45:06,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 02:45:06,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 02:45:06,725 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 02:45:06,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 02:45:06,726 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 02:45:06,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 02:45:06,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:45:06,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 02:45:06,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 02:45:06,727 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 02:45:06,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 02:45:06,727 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 02:45:06,727 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 02:45:06,727 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 02:45:06,727 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 02:45:06,727 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 02:45:06,727 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 02:45:06,727 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 -> 3458ca2e5bb686462699bd5ca1b5a70e0e6721bcda37bfc20e4d8c7e3f67bcd7 [2025-03-17 02:45:06,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 02:45:06,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 02:45:06,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 02:45:06,962 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 02:45:06,962 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 02:45:06,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-52.i [2025-03-17 02:45:08,199 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f427357/5399c8c420104282b4310738af6d4108/FLAG8cb60b8c8 [2025-03-17 02:45:08,386 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 02:45:08,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-52.i [2025-03-17 02:45:08,393 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f427357/5399c8c420104282b4310738af6d4108/FLAG8cb60b8c8 [2025-03-17 02:45:08,410 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f427357/5399c8c420104282b4310738af6d4108 [2025-03-17 02:45:08,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 02:45:08,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 02:45:08,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 02:45:08,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 02:45:08,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 02:45:08,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3758c4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08, skipping insertion in model container [2025-03-17 02:45:08,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 02:45:08,538 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_floatingpointinfluence_has-floats_file-52.i[917,930] [2025-03-17 02:45:08,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:45:08,597 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 02:45:08,606 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_floatingpointinfluence_has-floats_file-52.i[917,930] [2025-03-17 02:45:08,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:45:08,631 INFO L204 MainTranslator]: Completed translation [2025-03-17 02:45:08,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08 WrapperNode [2025-03-17 02:45:08,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 02:45:08,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 02:45:08,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 02:45:08,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 02:45:08,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,664 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2025-03-17 02:45:08,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 02:45:08,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 02:45:08,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 02:45:08,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 02:45:08,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,673 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,680 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]. [2025-03-17 02:45:08,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,686 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 02:45:08,690 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 02:45:08,690 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 02:45:08,690 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 02:45:08,691 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08" (1/1) ... [2025-03-17 02:45:08,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:45:08,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:45:08,714 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) [2025-03-17 02:45:08,719 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 [2025-03-17 02:45:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 02:45:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 02:45:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 02:45:08,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 02:45:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 02:45:08,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 02:45:08,790 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 02:45:08,791 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 02:45:19,850 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 02:45:19,850 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 02:45:19,863 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 02:45:19,865 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 02:45:19,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:45:19 BoogieIcfgContainer [2025-03-17 02:45:19,869 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 02:45:19,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 02:45:19,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 02:45:19,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 02:45:19,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:45:08" (1/3) ... [2025-03-17 02:45:19,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24eedd5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:45:19, skipping insertion in model container [2025-03-17 02:45:19,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:45:08" (2/3) ... [2025-03-17 02:45:19,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24eedd5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:45:19, skipping insertion in model container [2025-03-17 02:45:19,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:45:19" (3/3) ... [2025-03-17 02:45:19,891 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-52.i [2025-03-17 02:45:19,902 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 02:45:19,904 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-52.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 02:45:19,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 02:45:19,997 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;@50fc63c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 02:45:19,997 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 02:45:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 02:45:20,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-17 02:45:20,012 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:45:20,012 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:45:20,012 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:45:20,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:45:20,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1456425242, now seen corresponding path program 1 times [2025-03-17 02:45:20,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 02:45:20,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410920441] [2025-03-17 02:45:20,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:45:20,025 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 [2025-03-17 02:45:20,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 02:45:20,029 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) [2025-03-17 02:45:20,030 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 [2025-03-17 02:45:20,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-17 02:45:20,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-17 02:45:20,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:45:20,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:45:20,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 02:45:20,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 02:45:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2025-03-17 02:45:20,864 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 02:45:20,864 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 02:45:20,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410920441] [2025-03-17 02:45:20,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410920441] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 02:45:20,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 02:45:20,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 02:45:20,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455757806] [2025-03-17 02:45:20,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 02:45:20,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 02:45:20,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 02:45:20,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 02:45:20,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:45:20,895 INFO L87 Difference]: Start difference. First operand has 48 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-17 02:45:20,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 02:45:20,910 INFO L93 Difference]: Finished difference Result 93 states and 162 transitions. [2025-03-17 02:45:20,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 02:45:20,913 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 110 [2025-03-17 02:45:20,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 02:45:20,916 INFO L225 Difference]: With dead ends: 93 [2025-03-17 02:45:20,917 INFO L226 Difference]: Without dead ends: 46 [2025-03-17 02:45:20,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:45:20,922 INFO L435 NwaCegarLoop]: 69 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, 69 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 [2025-03-17 02:45:20,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 02:45:20,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-17 02:45:20,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-17 02:45:20,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 02:45:20,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 69 transitions. [2025-03-17 02:45:20,950 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 69 transitions. Word has length 110 [2025-03-17 02:45:20,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 02:45:20,950 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 69 transitions. [2025-03-17 02:45:20,951 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-17 02:45:20,951 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2025-03-17 02:45:20,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-17 02:45:20,952 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:45:20,952 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:45:20,971 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 [2025-03-17 02:45:21,156 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 [2025-03-17 02:45:21,157 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:45:21,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:45:21,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1761655990, now seen corresponding path program 1 times [2025-03-17 02:45:21,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 02:45:21,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [995060777] [2025-03-17 02:45:21,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:45:21,158 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 [2025-03-17 02:45:21,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 02:45:21,161 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) [2025-03-17 02:45:21,162 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 [2025-03-17 02:45:21,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-17 02:45:21,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-17 02:45:21,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:45:21,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:45:22,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 02:45:22,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 02:46:11,114 WARN L286 SmtUtils]: Spent 21.90s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-03-17 02:46:16,506 WARN L286 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 02:46:24,206 WARN L286 SmtUtils]: Spent 7.70s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)