./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.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 c5b154791397fe03f4ccd2aee6b69c381d6379db1356ccf04a464c527d54c8e6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 15:30:00,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 15:30:00,159 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 15:30:00,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 15:30:00,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 15:30:00,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 15:30:00,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 15:30:00,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 15:30:00,178 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 15:30:00,178 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 15:30:00,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 15:30:00,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 15:30:00,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 15:30:00,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 15:30:00,178 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 15:30:00,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 15:30:00,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 15:30:00,178 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 15:30:00,179 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 15:30:00,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 15:30:00,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 15:30:00,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 15:30:00,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 15:30:00,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 15:30:00,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 15:30:00,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 15:30:00,180 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 -> c5b154791397fe03f4ccd2aee6b69c381d6379db1356ccf04a464c527d54c8e6 [2025-03-08 15:30:00,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 15:30:00,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 15:30:00,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 15:30:00,432 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 15:30:00,433 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 15:30:00,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i [2025-03-08 15:30:01,628 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf47bce2/aa56cdcaf3684cb18433529d5e244928/FLAG4d3ef7189 [2025-03-08 15:30:01,861 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 15:30:01,862 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i [2025-03-08 15:30:01,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf47bce2/aa56cdcaf3684cb18433529d5e244928/FLAG4d3ef7189 [2025-03-08 15:30:01,885 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf47bce2/aa56cdcaf3684cb18433529d5e244928 [2025-03-08 15:30:01,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 15:30:01,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 15:30:01,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 15:30:01,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 15:30:01,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 15:30:01,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:30:01" (1/1) ... [2025-03-08 15:30:01,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36758f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:01, skipping insertion in model container [2025-03-08 15:30:01,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:30:01" (1/1) ... [2025-03-08 15:30:01,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 15:30:02,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i[915,928] [2025-03-08 15:30:02,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 15:30:02,052 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 15:30:02,061 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i[915,928] [2025-03-08 15:30:02,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 15:30:02,085 INFO L204 MainTranslator]: Completed translation [2025-03-08 15:30:02,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02 WrapperNode [2025-03-08 15:30:02,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 15:30:02,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 15:30:02,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 15:30:02,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 15:30:02,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02" (1/1) ... [2025-03-08 15:30:02,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02" (1/1) ... [2025-03-08 15:30:02,110 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2025-03-08 15:30:02,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 15:30:02,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 15:30:02,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 15:30:02,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 15:30:02,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02" (1/1) ... [2025-03-08 15:30:02,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02" (1/1) ... [2025-03-08 15:30:02,118 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02" (1/1) ... [2025-03-08 15:30:02,126 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 15:30:02,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02" (1/1) ... [2025-03-08 15:30:02,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02" (1/1) ... [2025-03-08 15:30:02,129 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02" (1/1) ... [2025-03-08 15:30:02,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02" (1/1) ... [2025-03-08 15:30:02,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02" (1/1) ... [2025-03-08 15:30:02,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02" (1/1) ... [2025-03-08 15:30:02,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 15:30:02,133 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 15:30:02,133 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 15:30:02,133 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 15:30:02,134 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02" (1/1) ... [2025-03-08 15:30:02,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 15:30:02,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 15:30:02,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 15:30:02,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 15:30:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 15:30:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 15:30:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 15:30:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 15:30:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 15:30:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 15:30:02,221 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 15:30:02,222 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 15:30:02,421 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L96: havoc property_#t~bitwise18#1;havoc property_#t~short19#1; [2025-03-08 15:30:02,448 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-08 15:30:02,448 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 15:30:02,463 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 15:30:02,463 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 15:30:02,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:30:02 BoogieIcfgContainer [2025-03-08 15:30:02,464 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 15:30:02,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 15:30:02,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 15:30:02,469 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 15:30:02,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 03:30:01" (1/3) ... [2025-03-08 15:30:02,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221df7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:30:02, skipping insertion in model container [2025-03-08 15:30:02,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:02" (2/3) ... [2025-03-08 15:30:02,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221df7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:30:02, skipping insertion in model container [2025-03-08 15:30:02,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:30:02" (3/3) ... [2025-03-08 15:30:02,472 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-17.i [2025-03-08 15:30:02,484 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 15:30:02,486 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-17.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 15:30:02,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 15:30:02,550 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;@5c6be59b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 15:30:02,551 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 15:30:02,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 40 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-08 15:30:02,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-03-08 15:30:02,565 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 15:30:02,566 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 15:30:02,566 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 15:30:02,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 15:30:02,571 INFO L85 PathProgramCache]: Analyzing trace with hash -2090532826, now seen corresponding path program 1 times [2025-03-08 15:30:02,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 15:30:02,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207023632] [2025-03-08 15:30:02,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 15:30:02,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 15:30:02,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 15:30:02,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 15:30:02,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 15:30:02,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 15:30:02,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-03-08 15:30:02,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 15:30:02,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207023632] [2025-03-08 15:30:02,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207023632] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 15:30:02,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308798408] [2025-03-08 15:30:02,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 15:30:02,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 15:30:02,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 15:30:02,821 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 15:30:02,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 15:30:02,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 15:30:02,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 15:30:02,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 15:30:02,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 15:30:02,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 15:30:02,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 15:30:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-03-08 15:30:03,009 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 15:30:03,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308798408] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 15:30:03,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 15:30:03,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 15:30:03,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184186596] [2025-03-08 15:30:03,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 15:30:03,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 15:30:03,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 15:30:03,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 15:30:03,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 15:30:03,031 INFO L87 Difference]: Start difference. First operand has 65 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 40 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 15:30:03,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 15:30:03,057 INFO L93 Difference]: Finished difference Result 124 states and 210 transitions. [2025-03-08 15:30:03,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 15:30:03,059 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2025-03-08 15:30:03,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 15:30:03,064 INFO L225 Difference]: With dead ends: 124 [2025-03-08 15:30:03,065 INFO L226 Difference]: Without dead ends: 62 [2025-03-08 15:30:03,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 15:30:03,070 INFO L435 NwaCegarLoop]: 89 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, 89 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 [2025-03-08 15:30:03,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 15:30:03,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-03-08 15:30:03,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-03-08 15:30:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-08 15:30:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 91 transitions. [2025-03-08 15:30:03,109 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 91 transitions. Word has length 144 [2025-03-08 15:30:03,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 15:30:03,110 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 91 transitions. [2025-03-08 15:30:03,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 15:30:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2025-03-08 15:30:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-03-08 15:30:03,114 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 15:30:03,114 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 15:30:03,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 15:30:03,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 15:30:03,318 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 15:30:03,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 15:30:03,318 INFO L85 PathProgramCache]: Analyzing trace with hash 153565033, now seen corresponding path program 1 times [2025-03-08 15:30:03,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 15:30:03,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095708850] [2025-03-08 15:30:03,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 15:30:03,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 15:30:03,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 15:30:03,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 15:30:03,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 15:30:03,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-08 15:30:03,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1622361062] [2025-03-08 15:30:03,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 15:30:03,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 15:30:03,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 15:30:03,474 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) [2025-03-08 15:30:03,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 15:30:03,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 15:30:03,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 15:30:03,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 15:30:03,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 15:30:03,599 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 15:30:03,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 15:30:03,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 15:30:03,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 15:30:03,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 15:30:03,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 15:30:03,722 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 15:30:03,723 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 15:30:03,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 15:30:03,925 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 [2025-03-08 15:30:03,928 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 15:30:04,003 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 15:30:04,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 03:30:04 BoogieIcfgContainer [2025-03-08 15:30:04,006 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 15:30:04,006 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 15:30:04,006 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 15:30:04,007 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 15:30:04,008 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:30:02" (3/4) ... [2025-03-08 15:30:04,010 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 15:30:04,011 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 15:30:04,011 INFO L158 Benchmark]: Toolchain (without parser) took 2122.62ms. Allocated memory is still 201.3MB. Free memory was 158.3MB in the beginning and 144.1MB in the end (delta: 14.3MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2025-03-08 15:30:04,012 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 15:30:04,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.37ms. Allocated memory is still 201.3MB. Free memory was 158.3MB in the beginning and 145.7MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 15:30:04,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.69ms. Allocated memory is still 201.3MB. Free memory was 145.4MB in the beginning and 143.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 15:30:04,013 INFO L158 Benchmark]: Boogie Preprocessor took 21.74ms. Allocated memory is still 201.3MB. Free memory was 143.6MB in the beginning and 142.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 15:30:04,014 INFO L158 Benchmark]: IcfgBuilder took 330.99ms. Allocated memory is still 201.3MB. Free memory was 142.1MB in the beginning and 125.5MB in the end (delta: 16.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 15:30:04,014 INFO L158 Benchmark]: TraceAbstraction took 1540.14ms. Allocated memory is still 201.3MB. Free memory was 124.6MB in the beginning and 145.1MB in the end (delta: -20.5MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2025-03-08 15:30:04,014 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 201.3MB. Free memory was 145.1MB in the beginning and 144.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 15:30:04,015 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 195.37ms. Allocated memory is still 201.3MB. Free memory was 158.3MB in the beginning and 145.7MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.69ms. Allocated memory is still 201.3MB. Free memory was 145.4MB in the beginning and 143.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.74ms. Allocated memory is still 201.3MB. Free memory was 143.6MB in the beginning and 142.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 330.99ms. Allocated memory is still 201.3MB. Free memory was 142.1MB in the beginning and 125.5MB in the end (delta: 16.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1540.14ms. Allocated memory is still 201.3MB. Free memory was 124.6MB in the beginning and 145.1MB in the end (delta: -20.5MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 201.3MB. Free memory was 145.1MB in the beginning and 144.1MB in the end (delta: 1.0MB). 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 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10000000.8; [L23] double var_1_3 = 16.2; [L24] double var_1_4 = 7.5; [L25] double var_1_5 = 49.6; [L26] signed short int var_1_6 = -10; [L27] unsigned long int var_1_7 = 3280833198; [L28] unsigned long int var_1_8 = 10000000; [L29] signed short int var_1_10 = 1; [L30] signed long int var_1_11 = -32; [L31] double var_1_12 = 128.25; [L32] double var_1_13 = 4.4; [L33] signed long int var_1_14 = -1; [L34] signed long int var_1_15 = 4; [L35] signed long int var_1_16 = 64; [L36] signed long int var_1_17 = 4; [L37] unsigned char var_1_18 = 1; [L38] unsigned char var_1_19 = 1; VAL [isInitial=0, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_3=81/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] FCALL updateLastVariables() [L104] CALL updateVariables() [L56] var_1_3 = __VERIFIER_nondet_double() [L57] CALL assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L57] RET assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L58] var_1_4 = __VERIFIER_nondet_double() [L59] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L59] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L60] var_1_5 = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L61] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L62] var_1_7 = __VERIFIER_nondet_ulong() [L63] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=10000000] [L63] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=10000000] [L64] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=10000000] [L64] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=10000000] [L65] var_1_8 = __VERIFIER_nondet_ulong() [L66] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647] [L66] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647] [L67] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L67] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L68] var_1_10 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_10 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L69] RET assume_abort_if_not(var_1_10 >= -32767) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L70] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L70] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L71] var_1_12 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L72] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L73] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L73] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L74] var_1_13 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L75] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L76] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L76] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L77] var_1_14 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L78] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L79] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L79] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L80] var_1_15 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L81] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L82] CALL assume_abort_if_not(var_1_15 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L82] RET assume_abort_if_not(var_1_15 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L83] var_1_16 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L84] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L85] CALL assume_abort_if_not(var_1_16 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L85] RET assume_abort_if_not(var_1_16 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L86] var_1_17 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L87] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L88] CALL assume_abort_if_not(var_1_17 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L88] RET assume_abort_if_not(var_1_17 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L89] var_1_19 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L90] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L91] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L91] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L104] RET updateVariables() [L105] CALL step() [L42] COND FALSE !((var_1_5 * (- var_1_3)) != ((var_1_4 / 255.25) / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))))) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L45] EXPR var_1_15 >> var_1_11 VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L45] COND TRUE ((var_1_15 >> var_1_11) * var_1_7) <= var_1_17 [L46] var_1_18 = var_1_19 VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L48] COND TRUE \read(var_1_18) [L49] var_1_1 = (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L51] COND TRUE (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - var_1_8) < var_1_11 [L52] var_1_6 = var_1_10 VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_6=0, var_1_7=2147483647, var_1_8=0] [L105] RET step() [L106] CALL, EXPR property() [L96] EXPR (((var_1_18 ? (var_1_1 == ((double) (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))))) : 1) && (((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - var_1_8) < var_1_11) ? (var_1_6 == ((signed short int) var_1_10)) : 1)) && (((var_1_5 * (- var_1_3)) != ((var_1_4 / 255.25) / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11 == ((signed long int) (((((var_1_14 - var_1_15)) > ((var_1_16 - var_1_17))) ? ((var_1_14 - var_1_15)) : ((var_1_16 - var_1_17)))))) : 1)) && ((((var_1_15 >> var_1_11) * var_1_7) <= var_1_17) ? (var_1_18 == ((unsigned char) var_1_19)) : 1) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_6=0, var_1_7=2147483647, var_1_8=0] [L96-L97] return (((var_1_18 ? (var_1_1 == ((double) (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))))) : 1) && (((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - var_1_8) < var_1_11) ? (var_1_6 == ((signed short int) var_1_10)) : 1)) && (((var_1_5 * (- var_1_3)) != ((var_1_4 / 255.25) / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11 == ((signed long int) (((((var_1_14 - var_1_15)) > ((var_1_16 - var_1_17))) ? ((var_1_14 - var_1_15)) : ((var_1_16 - var_1_17)))))) : 1)) && ((((var_1_15 >> var_1_11) * var_1_7) <= var_1_17) ? (var_1_18 == ((unsigned char) var_1_19)) : 1) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_6=0, var_1_7=2147483647, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_6=0, var_1_7=2147483647, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 119 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 89 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 576 NumberOfCodeBlocks, 576 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 313 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1980/2024 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 15:30:04,031 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_operatoramount_amount25_file-17.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 c5b154791397fe03f4ccd2aee6b69c381d6379db1356ccf04a464c527d54c8e6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 15:30:05,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 15:30:05,972 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 15:30:05,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 15:30:05,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 15:30:06,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 15:30:06,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 15:30:06,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 15:30:06,003 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 15:30:06,003 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 15:30:06,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 15:30:06,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 15:30:06,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 15:30:06,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 15:30:06,004 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 15:30:06,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 15:30:06,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 15:30:06,005 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 15:30:06,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 15:30:06,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 15:30:06,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 15:30:06,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 15:30:06,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 15:30:06,005 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 15:30:06,006 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 15:30:06,006 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 15:30:06,006 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 15:30:06,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 15:30:06,006 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 15:30:06,006 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 15:30:06,006 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 15:30:06,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 15:30:06,007 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 15:30:06,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 15:30:06,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 15:30:06,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 15:30:06,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 15:30:06,007 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 15:30:06,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 15:30:06,007 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 15:30:06,007 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 15:30:06,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 15:30:06,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 15:30:06,008 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 15:30:06,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 15:30:06,008 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 -> c5b154791397fe03f4ccd2aee6b69c381d6379db1356ccf04a464c527d54c8e6 [2025-03-08 15:30:06,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 15:30:06,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 15:30:06,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 15:30:06,299 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 15:30:06,299 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 15:30:06,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i [2025-03-08 15:30:07,477 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cff75b133/5996916379d4490e8b38a3e022e64df2/FLAGad2ee263d [2025-03-08 15:30:07,649 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 15:30:07,649 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i [2025-03-08 15:30:07,656 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cff75b133/5996916379d4490e8b38a3e022e64df2/FLAGad2ee263d [2025-03-08 15:30:07,668 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cff75b133/5996916379d4490e8b38a3e022e64df2 [2025-03-08 15:30:07,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 15:30:07,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 15:30:07,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 15:30:07,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 15:30:07,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 15:30:07,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:07,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3229a4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07, skipping insertion in model container [2025-03-08 15:30:07,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:07,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 15:30:07,796 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i[915,928] [2025-03-08 15:30:07,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 15:30:07,859 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 15:30:07,869 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-17.i[915,928] [2025-03-08 15:30:07,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 15:30:07,909 INFO L204 MainTranslator]: Completed translation [2025-03-08 15:30:07,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07 WrapperNode [2025-03-08 15:30:07,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 15:30:07,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 15:30:07,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 15:30:07,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 15:30:07,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:07,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:07,948 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2025-03-08 15:30:07,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 15:30:07,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 15:30:07,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 15:30:07,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 15:30:07,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:07,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:07,959 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:07,974 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 15:30:07,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:07,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:07,986 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:07,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:07,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:07,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:07,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 15:30:07,991 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 15:30:07,992 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 15:30:07,992 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 15:30:07,997 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07" (1/1) ... [2025-03-08 15:30:08,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 15:30:08,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 15:30:08,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 15:30:08,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 15:30:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 15:30:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 15:30:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 15:30:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 15:30:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 15:30:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 15:30:08,107 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 15:30:08,109 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 15:30:22,785 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-08 15:30:22,786 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 15:30:22,794 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 15:30:22,794 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 15:30:22,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:30:22 BoogieIcfgContainer [2025-03-08 15:30:22,794 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 15:30:22,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 15:30:22,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 15:30:22,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 15:30:22,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 03:30:07" (1/3) ... [2025-03-08 15:30:22,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226390f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:30:22, skipping insertion in model container [2025-03-08 15:30:22,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:30:07" (2/3) ... [2025-03-08 15:30:22,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226390f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:30:22, skipping insertion in model container [2025-03-08 15:30:22,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:30:22" (3/3) ... [2025-03-08 15:30:22,803 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-17.i [2025-03-08 15:30:22,813 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 15:30:22,815 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-17.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 15:30:22,857 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 15:30:22,867 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;@3524ee45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 15:30:22,868 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 15:30:22,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-08 15:30:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-03-08 15:30:22,881 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 15:30:22,882 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 15:30:22,882 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 15:30:22,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 15:30:22,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1472885661, now seen corresponding path program 1 times [2025-03-08 15:30:22,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 15:30:22,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1712597474] [2025-03-08 15:30:22,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 15:30:22,895 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 15:30:22,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 15:30:22,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 15:30:22,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-08 15:30:22,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-03-08 15:30:23,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-03-08 15:30:23,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 15:30:23,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 15:30:24,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 15:30:24,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 15:30:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2025-03-08 15:30:24,054 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 15:30:24,055 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 15:30:24,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1712597474] [2025-03-08 15:30:24,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1712597474] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 15:30:24,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 15:30:24,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 15:30:24,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115435055] [2025-03-08 15:30:24,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 15:30:24,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 15:30:24,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 15:30:24,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 15:30:24,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 15:30:24,075 INFO L87 Difference]: Start difference. First operand has 58 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 15:30:24,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 15:30:24,096 INFO L93 Difference]: Finished difference Result 110 states and 190 transitions. [2025-03-08 15:30:24,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 15:30:24,097 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 141 [2025-03-08 15:30:24,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 15:30:24,102 INFO L225 Difference]: With dead ends: 110 [2025-03-08 15:30:24,102 INFO L226 Difference]: Without dead ends: 55 [2025-03-08 15:30:24,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 15:30:24,107 INFO L435 NwaCegarLoop]: 81 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, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 15:30:24,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 15:30:24,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2025-03-08 15:30:24,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2025-03-08 15:30:24,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-08 15:30:24,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 81 transitions. [2025-03-08 15:30:24,138 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 81 transitions. Word has length 141 [2025-03-08 15:30:24,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 15:30:24,138 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 81 transitions. [2025-03-08 15:30:24,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 15:30:24,139 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2025-03-08 15:30:24,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-03-08 15:30:24,140 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 15:30:24,140 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 15:30:24,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-08 15:30:24,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 15:30:24,341 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 15:30:24,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 15:30:24,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1830405318, now seen corresponding path program 1 times [2025-03-08 15:30:24,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 15:30:24,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594115778] [2025-03-08 15:30:24,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 15:30:24,343 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 15:30:24,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 15:30:24,345 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 15:30:24,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-08 15:30:24,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-03-08 15:30:25,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-03-08 15:30:25,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 15:30:25,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 15:30:25,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-08 15:30:25,480 INFO L279 TraceCheckSpWp]: Computing forward predicates...