./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc962406cce9cc0f342134c6a6c6d70f6c64ebeaba5b788efed40723bc270a1e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 20:17:51,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 20:17:51,752 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 20:17:51,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 20:17:51,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 20:17:51,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 20:17:51,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 20:17:51,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 20:17:51,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 20:17:51,781 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 20:17:51,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 20:17:51,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 20:17:51,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 20:17:51,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 20:17:51,783 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 20:17:51,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 20:17:51,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 20:17:51,783 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 20:17:51,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 20:17:51,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 20:17:51,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 20:17:51,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 20:17:51,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 20:17:51,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 20:17:51,784 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 20:17:51,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 20:17:51,785 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 20:17:51,785 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 20:17:51,785 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 20:17:51,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 20:17:51,785 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 20:17:51,785 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 20:17:51,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 20:17:51,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 20:17:51,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 20:17:51,786 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 20:17:51,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 20:17:51,786 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 20:17:51,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 20:17:51,786 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 20:17:51,786 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 20:17:51,786 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 20:17:51,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 20:17:51,787 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc962406cce9cc0f342134c6a6c6d70f6c64ebeaba5b788efed40723bc270a1e [2025-02-05 20:17:52,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 20:17:52,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 20:17:52,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 20:17:52,101 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 20:17:52,101 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 20:17:52,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i [2025-02-05 20:17:53,417 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e4d64150/ac342a92252a43c3b22b14d5c5cbed59/FLAG15e033d82 [2025-02-05 20:17:53,756 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 20:17:53,762 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i [2025-02-05 20:17:53,777 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e4d64150/ac342a92252a43c3b22b14d5c5cbed59/FLAG15e033d82 [2025-02-05 20:17:53,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e4d64150/ac342a92252a43c3b22b14d5c5cbed59 [2025-02-05 20:17:53,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 20:17:53,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 20:17:53,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 20:17:53,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 20:17:53,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 20:17:53,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 08:17:53" (1/1) ... [2025-02-05 20:17:53,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a056f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:53, skipping insertion in model container [2025-02-05 20:17:53,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 08:17:53" (1/1) ... [2025-02-05 20:17:53,835 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 20:17:53,978 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i[919,932] [2025-02-05 20:17:54,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 20:17:54,053 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 20:17:54,065 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i[919,932] [2025-02-05 20:17:54,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 20:17:54,126 INFO L204 MainTranslator]: Completed translation [2025-02-05 20:17:54,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54 WrapperNode [2025-02-05 20:17:54,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 20:17:54,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 20:17:54,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 20:17:54,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 20:17:54,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54" (1/1) ... [2025-02-05 20:17:54,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54" (1/1) ... [2025-02-05 20:17:54,199 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2025-02-05 20:17:54,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 20:17:54,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 20:17:54,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 20:17:54,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 20:17:54,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54" (1/1) ... [2025-02-05 20:17:54,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54" (1/1) ... [2025-02-05 20:17:54,217 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54" (1/1) ... [2025-02-05 20:17:54,246 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-05 20:17:54,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54" (1/1) ... [2025-02-05 20:17:54,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54" (1/1) ... [2025-02-05 20:17:54,257 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54" (1/1) ... [2025-02-05 20:17:54,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54" (1/1) ... [2025-02-05 20:17:54,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54" (1/1) ... [2025-02-05 20:17:54,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54" (1/1) ... [2025-02-05 20:17:54,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 20:17:54,277 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 20:17:54,280 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 20:17:54,281 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 20:17:54,281 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54" (1/1) ... [2025-02-05 20:17:54,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 20:17:54,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 20:17:54,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 20:17:54,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 20:17:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 20:17:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-05 20:17:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-05 20:17:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 20:17:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 20:17:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 20:17:54,414 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 20:17:54,416 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 20:17:54,810 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L116: havoc property_#t~ite16#1;havoc property_#t~bitwise15#1;havoc property_#t~short17#1; [2025-02-05 20:17:54,848 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-02-05 20:17:54,848 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 20:17:54,866 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 20:17:54,868 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 20:17:54,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:17:54 BoogieIcfgContainer [2025-02-05 20:17:54,868 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 20:17:54,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 20:17:54,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 20:17:54,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 20:17:54,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 08:17:53" (1/3) ... [2025-02-05 20:17:54,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b05ba7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 08:17:54, skipping insertion in model container [2025-02-05 20:17:54,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:17:54" (2/3) ... [2025-02-05 20:17:54,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b05ba7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 08:17:54, skipping insertion in model container [2025-02-05 20:17:54,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:17:54" (3/3) ... [2025-02-05 20:17:54,878 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-20.i [2025-02-05 20:17:54,892 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 20:17:54,895 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-20.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 20:17:54,952 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 20:17:54,961 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;@30e7ea81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 20:17:54,962 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 20:17:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-05 20:17:54,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-05 20:17:54,976 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 20:17:54,977 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 20:17:54,977 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 20:17:54,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 20:17:54,981 INFO L85 PathProgramCache]: Analyzing trace with hash 373498582, now seen corresponding path program 1 times [2025-02-05 20:17:54,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 20:17:54,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734435540] [2025-02-05 20:17:54,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:17:54,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 20:17:55,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-05 20:17:55,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-05 20:17:55,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:17:55,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 20:17:55,298 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-02-05 20:17:55,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 20:17:55,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734435540] [2025-02-05 20:17:55,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734435540] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 20:17:55,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7175673] [2025-02-05 20:17:55,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:17:55,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 20:17:55,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 20:17:55,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 20:17:55,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-05 20:17:55,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-05 20:17:55,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-05 20:17:55,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:17:55,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 20:17:55,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 20:17:55,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 20:17:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-02-05 20:17:55,519 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 20:17:55,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7175673] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 20:17:55,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 20:17:55,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-05 20:17:55,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094812343] [2025-02-05 20:17:55,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 20:17:55,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 20:17:55,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 20:17:55,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 20:17:55,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 20:17:55,544 INFO L87 Difference]: Start difference. First operand has 63 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2025-02-05 20:17:55,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 20:17:55,573 INFO L93 Difference]: Finished difference Result 120 states and 198 transitions. [2025-02-05 20:17:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 20:17:55,576 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2025-02-05 20:17:55,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 20:17:55,583 INFO L225 Difference]: With dead ends: 120 [2025-02-05 20:17:55,583 INFO L226 Difference]: Without dead ends: 60 [2025-02-05 20:17:55,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 20:17:55,589 INFO L435 NwaCegarLoop]: 86 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, 86 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 [2025-02-05 20:17:55,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 20:17:55,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-02-05 20:17:55,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2025-02-05 20:17:55,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-05 20:17:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 88 transitions. [2025-02-05 20:17:55,620 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 88 transitions. Word has length 113 [2025-02-05 20:17:55,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 20:17:55,621 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 88 transitions. [2025-02-05 20:17:55,621 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2025-02-05 20:17:55,622 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2025-02-05 20:17:55,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-05 20:17:55,624 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 20:17:55,624 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 20:17:55,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-05 20:17:55,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-05 20:17:55,825 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 20:17:55,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 20:17:55,826 INFO L85 PathProgramCache]: Analyzing trace with hash 680237881, now seen corresponding path program 1 times [2025-02-05 20:17:55,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 20:17:55,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304136213] [2025-02-05 20:17:55,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:17:55,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 20:17:55,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-05 20:17:56,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-05 20:17:56,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:17:56,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-05 20:17:56,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2066554485] [2025-02-05 20:17:56,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:17:56,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 20:17:56,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 20:17:56,091 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 20:17:56,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-05 20:17:56,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-05 20:17:56,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-05 20:17:56,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:17:56,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 20:17:56,221 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 20:17:56,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-05 20:17:56,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-05 20:17:56,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:17:56,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 20:17:56,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 20:17:56,350 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 20:17:56,351 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 20:17:56,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-05 20:17:56,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 20:17:56,557 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-05 20:17:56,638 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 20:17:56,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 08:17:56 BoogieIcfgContainer [2025-02-05 20:17:56,645 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 20:17:56,646 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 20:17:56,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 20:17:56,646 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 20:17:56,647 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:17:54" (3/4) ... [2025-02-05 20:17:56,649 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 20:17:56,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 20:17:56,650 INFO L158 Benchmark]: Toolchain (without parser) took 2843.36ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 55.4MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2025-02-05 20:17:56,650 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 20:17:56,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.46ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 98.4MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 20:17:56,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.57ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 95.1MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 20:17:56,651 INFO L158 Benchmark]: Boogie Preprocessor took 75.91ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 90.6MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 20:17:56,651 INFO L158 Benchmark]: IcfgBuilder took 591.30ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 68.1MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-05 20:17:56,651 INFO L158 Benchmark]: TraceAbstraction took 1775.10ms. Allocated memory is still 142.6MB. Free memory was 67.7MB in the beginning and 55.4MB in the end (delta: 12.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2025-02-05 20:17:56,651 INFO L158 Benchmark]: Witness Printer took 3.18ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 20:17:56,653 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 122.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.46ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 98.4MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.57ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 95.1MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.91ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 90.6MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 591.30ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 68.1MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1775.10ms. Allocated memory is still 142.6MB. Free memory was 67.7MB in the beginning and 55.4MB in the end (delta: 12.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Witness Printer took 3.18ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 116, overapproximation of someBinaryFLOATComparisonOperation at line 107, overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryArithmeticFLOAToperation at line 59, overapproximation of someBinaryArithmeticFLOAToperation at line 55. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 128; [L25] unsigned char var_1_4 = 2; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 32; [L28] unsigned short int var_1_8 = 100; [L29] float var_1_9 = 255.75; [L30] signed char var_1_10 = 64; [L31] signed char var_1_11 = 32; [L32] signed char var_1_12 = 4; [L33] float var_1_13 = 0.0; [L34] float var_1_14 = 7.25; [L35] float var_1_15 = 8.125; [L36] float var_1_16 = 24.5; [L37] signed short int var_1_17 = -256; [L38] double var_1_18 = 31.5; [L39] unsigned char last_1_var_1_6 = 32; [L40] unsigned short int last_1_var_1_8 = 100; VAL [isInitial=0, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] CALL updateLastVariables() [L112] last_1_var_1_6 = var_1_6 [L113] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L123] RET updateLastVariables() [L124] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L84] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L85] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L85] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L86] var_1_3 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_3 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L87] RET assume_abort_if_not(var_1_3 >= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L88] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L88] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L89] var_1_4 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L90] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L91] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L91] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L92] var_1_5 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L93] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L94] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L94] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L95] var_1_10 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L96] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L97] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L97] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L98] var_1_11 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L99] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L100] CALL assume_abort_if_not(var_1_11 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L100] RET assume_abort_if_not(var_1_11 <= 64) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L101] var_1_12 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L102] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L103] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L103] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L104] var_1_13 = __VERIFIER_nondet_float() [L105] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L105] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L106] var_1_14 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L107] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L108] var_1_16 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L109] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L124] RET updateVariables() [L125] CALL step() [L44] COND TRUE (64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6)) [L45] var_1_6 = var_1_4 VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=-768, var_1_8=100, var_1_9=1023/4] [L49] COND TRUE \read(var_1_2) [L50] var_1_1 = (var_1_3 - var_1_4) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=127, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=-768, var_1_8=100, var_1_9=1023/4] [L54] COND TRUE ((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5 [L55] var_1_9 = (64.8f - (var_1_13 - var_1_14)) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=127, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=-768, var_1_8=100] [L59] var_1_15 = (var_1_14 + var_1_16) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_17=-256, var_1_18=63/2, var_1_1=127, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=-768, var_1_8=100] [L60] COND TRUE \read(var_1_2) [L61] var_1_17 = (var_1_3 + var_1_12) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_17=127, var_1_18=63/2, var_1_1=127, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=-768, var_1_8=100] [L69] COND FALSE !((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) [L74] var_1_18 = var_1_16 VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=127, var_1_18=2, var_1_1=127, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=-768, var_1_8=100] [L76] COND TRUE (var_1_17 + var_1_6) >= (var_1_3 - var_1_5) [L77] var_1_8 = ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=127, var_1_18=2, var_1_1=127, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=-768, var_1_8=127] [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=127, var_1_18=2, var_1_1=127, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=-768, var_1_8=127] [L116-L117] return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=127, var_1_18=2, var_1_1=127, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=-768, var_1_8=127] [L19] reach_error() VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=127, var_1_18=2, var_1_1=127, var_1_2=1, var_1_3=-641, var_1_4=-768, var_1_5=0, var_1_6=-768, var_1_8=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 17, 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, 86 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, 86 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 452 NumberOfCodeBlocks, 452 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 267 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1056/1088 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-05 20:17:56,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc962406cce9cc0f342134c6a6c6d70f6c64ebeaba5b788efed40723bc270a1e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 20:17:59,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 20:17:59,248 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-05 20:17:59,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 20:17:59,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 20:17:59,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 20:17:59,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 20:17:59,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 20:17:59,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 20:17:59,288 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 20:17:59,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 20:17:59,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 20:17:59,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 20:17:59,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 20:17:59,290 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 20:17:59,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 20:17:59,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 20:17:59,291 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 20:17:59,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 20:17:59,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 20:17:59,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 20:17:59,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 20:17:59,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 20:17:59,291 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 20:17:59,292 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 20:17:59,292 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 20:17:59,292 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 20:17:59,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 20:17:59,292 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 20:17:59,292 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 20:17:59,292 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 20:17:59,293 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 20:17:59,293 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 20:17:59,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 20:17:59,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 20:17:59,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 20:17:59,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 20:17:59,293 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 20:17:59,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 20:17:59,294 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 20:17:59,294 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 20:17:59,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 20:17:59,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 20:17:59,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 20:17:59,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 20:17:59,294 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc962406cce9cc0f342134c6a6c6d70f6c64ebeaba5b788efed40723bc270a1e [2025-02-05 20:17:59,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 20:17:59,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 20:17:59,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 20:17:59,623 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 20:17:59,623 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 20:17:59,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i [2025-02-05 20:18:01,016 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72d4c94e9/2755209d765748568821958d7479544d/FLAG82eef59c6 [2025-02-05 20:18:01,277 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 20:18:01,279 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i [2025-02-05 20:18:01,288 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72d4c94e9/2755209d765748568821958d7479544d/FLAG82eef59c6 [2025-02-05 20:18:01,310 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72d4c94e9/2755209d765748568821958d7479544d [2025-02-05 20:18:01,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 20:18:01,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 20:18:01,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 20:18:01,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 20:18:01,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 20:18:01,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799fe5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01, skipping insertion in model container [2025-02-05 20:18:01,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 20:18:01,494 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i[919,932] [2025-02-05 20:18:01,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 20:18:01,595 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 20:18:01,609 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i[919,932] [2025-02-05 20:18:01,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 20:18:01,665 INFO L204 MainTranslator]: Completed translation [2025-02-05 20:18:01,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01 WrapperNode [2025-02-05 20:18:01,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 20:18:01,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 20:18:01,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 20:18:01,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 20:18:01,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,720 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2025-02-05 20:18:01,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 20:18:01,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 20:18:01,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 20:18:01,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 20:18:01,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,737 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,748 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-05 20:18:01,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,757 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 20:18:01,765 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 20:18:01,765 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 20:18:01,765 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 20:18:01,766 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01" (1/1) ... [2025-02-05 20:18:01,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 20:18:01,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 20:18:01,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 20:18:01,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 20:18:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 20:18:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 20:18:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-05 20:18:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-05 20:18:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 20:18:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 20:18:01,893 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 20:18:01,896 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 20:18:08,229 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-02-05 20:18:08,229 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 20:18:08,241 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 20:18:08,241 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 20:18:08,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:18:08 BoogieIcfgContainer [2025-02-05 20:18:08,241 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 20:18:08,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 20:18:08,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 20:18:08,251 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 20:18:08,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 08:18:01" (1/3) ... [2025-02-05 20:18:08,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5414293a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 08:18:08, skipping insertion in model container [2025-02-05 20:18:08,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:18:01" (2/3) ... [2025-02-05 20:18:08,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5414293a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 08:18:08, skipping insertion in model container [2025-02-05 20:18:08,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:18:08" (3/3) ... [2025-02-05 20:18:08,255 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-20.i [2025-02-05 20:18:08,267 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 20:18:08,269 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-20.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 20:18:08,319 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 20:18:08,329 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;@605cffbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 20:18:08,329 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 20:18:08,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-05 20:18:08,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-05 20:18:08,342 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 20:18:08,342 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 20:18:08,343 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 20:18:08,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 20:18:08,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1667260980, now seen corresponding path program 1 times [2025-02-05 20:18:08,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 20:18:08,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485912590] [2025-02-05 20:18:08,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:18:08,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 20:18:08,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 20:18:08,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 20:18:08,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-02-05 20:18:08,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-05 20:18:08,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-05 20:18:08,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:18:08,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 20:18:08,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 20:18:08,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 20:18:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2025-02-05 20:18:08,792 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 20:18:08,792 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 20:18:08,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485912590] [2025-02-05 20:18:08,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485912590] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 20:18:08,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 20:18:08,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 20:18:08,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535869566] [2025-02-05 20:18:08,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 20:18:08,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 20:18:08,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 20:18:08,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 20:18:08,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 20:18:08,819 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-02-05 20:18:08,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 20:18:08,848 INFO L93 Difference]: Finished difference Result 102 states and 172 transitions. [2025-02-05 20:18:08,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 20:18:08,851 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111 [2025-02-05 20:18:08,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 20:18:08,857 INFO L225 Difference]: With dead ends: 102 [2025-02-05 20:18:08,858 INFO L226 Difference]: Without dead ends: 51 [2025-02-05 20:18:08,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 20:18:08,867 INFO L435 NwaCegarLoop]: 75 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, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 20:18:08,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 20:18:08,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-02-05 20:18:08,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2025-02-05 20:18:08,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-05 20:18:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2025-02-05 20:18:08,915 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 111 [2025-02-05 20:18:08,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 20:18:08,915 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2025-02-05 20:18:08,916 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-02-05 20:18:08,917 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2025-02-05 20:18:08,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-05 20:18:08,920 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 20:18:08,920 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 20:18:08,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-05 20:18:09,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 20:18:09,122 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 20:18:09,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 20:18:09,122 INFO L85 PathProgramCache]: Analyzing trace with hash 442553071, now seen corresponding path program 1 times [2025-02-05 20:18:09,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 20:18:09,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027365704] [2025-02-05 20:18:09,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:18:09,123 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 20:18:09,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 20:18:09,126 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 20:18:09,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-05 20:18:09,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-05 20:18:09,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-05 20:18:09,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:18:09,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 20:18:09,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 45 conjuncts are in the unsatisfiable core [2025-02-05 20:18:09,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 20:18:44,525 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)