./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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_fillercode_fillercodestructure_normal_file-83.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 8fde2e0ff620a40080e503c7a3f660bc2cd4630a73841f8ba1f9b25a52fdc475 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:23:54,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:23:54,721 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 12:23:54,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:23:54,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:23:54,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:23:54,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:23:54,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:23:54,740 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:23:54,740 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:23:54,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:23:54,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:23:54,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:23:54,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:23:54,740 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:23:54,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:23:54,741 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:23:54,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:23:54,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:23:54,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:23:54,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:23:54,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:23:54,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:23:54,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:23:54,742 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:23:54,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:23:54,742 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 12:23:54,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 12:23:54,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:23:54,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:23:54,742 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:23:54,742 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:23:54,742 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 -> 8fde2e0ff620a40080e503c7a3f660bc2cd4630a73841f8ba1f9b25a52fdc475 [2025-01-09 12:23:54,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:23:54,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:23:54,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:23:54,965 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:23:54,966 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:23:54,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i [2025-01-09 12:23:56,138 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/96272ee97/c3af65fd7e8c4e5a8649aa925eaa952e/FLAG95c2ce6c3 [2025-01-09 12:23:56,397 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:23:56,397 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i [2025-01-09 12:23:56,414 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/96272ee97/c3af65fd7e8c4e5a8649aa925eaa952e/FLAG95c2ce6c3 [2025-01-09 12:23:56,445 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/96272ee97/c3af65fd7e8c4e5a8649aa925eaa952e [2025-01-09 12:23:56,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:23:56,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:23:56,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:23:56,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:23:56,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:23:56,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4ab8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56, skipping insertion in model container [2025-01-09 12:23:56,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:23:56,586 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_fillercode_fillercodestructure_normal_file-83.i[913,926] [2025-01-09 12:23:56,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:23:56,635 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:23:56,645 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_fillercode_fillercodestructure_normal_file-83.i[913,926] [2025-01-09 12:23:56,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:23:56,693 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:23:56,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56 WrapperNode [2025-01-09 12:23:56,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:23:56,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:23:56,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:23:56,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:23:56,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,731 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2025-01-09 12:23:56,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:23:56,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:23:56,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:23:56,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:23:56,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,741 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,750 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]. [2025-01-09 12:23:56,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,757 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:23:56,773 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:23:56,773 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:23:56,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:23:56,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (1/1) ... [2025-01-09 12:23:56,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:23:56,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:23:56,798 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) [2025-01-09 12:23:56,805 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 [2025-01-09 12:23:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:23:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:23:56,818 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:23:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 12:23:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:23:56,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:23:56,864 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:23:56,866 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:23:57,185 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-01-09 12:23:57,185 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:23:57,194 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:23:57,194 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:23:57,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:23:57 BoogieIcfgContainer [2025-01-09 12:23:57,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:23:57,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:23:57,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:23:57,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:23:57,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:23:56" (1/3) ... [2025-01-09 12:23:57,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e48497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:23:57, skipping insertion in model container [2025-01-09 12:23:57,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:23:56" (2/3) ... [2025-01-09 12:23:57,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e48497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:23:57, skipping insertion in model container [2025-01-09 12:23:57,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:23:57" (3/3) ... [2025-01-09 12:23:57,204 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-83.i [2025-01-09 12:23:57,215 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:23:57,216 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-83.i that has 2 procedures, 77 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:23:57,266 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:23:57,274 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;@907cf2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:23:57,274 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:23:57,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-01-09 12:23:57,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-01-09 12:23:57,287 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:23:57,288 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:23:57,288 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:23:57,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:23:57,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1482827167, now seen corresponding path program 1 times [2025-01-09 12:23:57,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:23:57,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070112480] [2025-01-09 12:23:57,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:23:57,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:23:57,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-01-09 12:23:57,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-01-09 12:23:57,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:23:57,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:23:58,485 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 99 proven. 81 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2025-01-09 12:23:58,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 12:23:58,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070112480] [2025-01-09 12:23:58,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070112480] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 12:23:58,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134281717] [2025-01-09 12:23:58,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:23:58,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:23:58,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:23:58,492 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) [2025-01-09 12:23:58,497 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 [2025-01-09 12:23:58,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-01-09 12:23:58,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-01-09 12:23:58,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:23:58,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:23:58,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-09 12:23:58,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:23:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 473 proven. 102 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2025-01-09 12:23:59,635 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 12:24:00,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134281717] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 12:24:00,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-09 12:24:00,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18] total 22 [2025-01-09 12:24:00,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983334432] [2025-01-09 12:24:00,233 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-09 12:24:00,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-09 12:24:00,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 12:24:00,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-09 12:24:00,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=724, Unknown=0, NotChecked=0, Total=930 [2025-01-09 12:24:00,250 INFO L87 Difference]: Start difference. First operand has 77 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 22 states have internal predecessors, (70), 9 states have call successors, (31), 6 states have call predecessors, (31), 10 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2025-01-09 12:24:01,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:24:01,083 INFO L93 Difference]: Finished difference Result 176 states and 282 transitions. [2025-01-09 12:24:01,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-09 12:24:01,085 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 22 states have internal predecessors, (70), 9 states have call successors, (31), 6 states have call predecessors, (31), 10 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) Word has length 124 [2025-01-09 12:24:01,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:24:01,089 INFO L225 Difference]: With dead ends: 176 [2025-01-09 12:24:01,089 INFO L226 Difference]: Without dead ends: 102 [2025-01-09 12:24:01,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=696, Invalid=1956, Unknown=0, NotChecked=0, Total=2652 [2025-01-09 12:24:01,094 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 274 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 12:24:01,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 388 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 12:24:01,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2025-01-09 12:24:01,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 94. [2025-01-09 12:24:01,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 68 states have (on average 1.2941176470588236) internal successors, (88), 68 states have internal predecessors, (88), 19 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-01-09 12:24:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 126 transitions. [2025-01-09 12:24:01,124 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 126 transitions. Word has length 124 [2025-01-09 12:24:01,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:24:01,124 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 126 transitions. [2025-01-09 12:24:01,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 22 states have internal predecessors, (70), 9 states have call successors, (31), 6 states have call predecessors, (31), 10 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2025-01-09 12:24:01,125 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 126 transitions. [2025-01-09 12:24:01,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-01-09 12:24:01,126 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:24:01,127 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:24:01,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 12:24:01,327 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 [2025-01-09 12:24:01,328 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:24:01,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:24:01,329 INFO L85 PathProgramCache]: Analyzing trace with hash -297352310, now seen corresponding path program 1 times [2025-01-09 12:24:01,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:24:01,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508609094] [2025-01-09 12:24:01,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:24:01,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:24:01,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 12:24:01,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 12:24:01,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:24:01,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 12:24:01,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [993052818] [2025-01-09 12:24:01,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:24:01,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:24:01,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:24:01,432 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) [2025-01-09 12:24:01,433 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 [2025-01-09 12:24:01,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 12:24:01,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 12:24:01,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:24:01,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:24:01,710 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:24:01,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 12:24:01,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 12:24:01,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:24:01,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:24:01,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 12:24:01,803 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 12:24:01,804 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 12:24:01,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 12:24:02,005 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 [2025-01-09 12:24:02,008 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 12:24:02,057 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 12:24:02,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 12:24:02 BoogieIcfgContainer [2025-01-09 12:24:02,065 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 12:24:02,066 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 12:24:02,066 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 12:24:02,066 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 12:24:02,067 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:23:57" (3/4) ... [2025-01-09 12:24:02,069 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 12:24:02,070 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 12:24:02,071 INFO L158 Benchmark]: Toolchain (without parser) took 5622.44ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 107.0MB in the beginning and 237.5MB in the end (delta: -130.5MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2025-01-09 12:24:02,071 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 209.7MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:24:02,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.28ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 92.5MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:24:02,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.07ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 87.8MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:24:02,073 INFO L158 Benchmark]: Boogie Preprocessor took 40.84ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 81.4MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 12:24:02,073 INFO L158 Benchmark]: RCFGBuilder took 422.89ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 53.0MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 12:24:02,073 INFO L158 Benchmark]: TraceAbstraction took 4867.82ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 52.3MB in the beginning and 237.5MB in the end (delta: -185.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:24:02,073 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 310.4MB. Free memory was 237.5MB in the beginning and 237.5MB in the end (delta: 60.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:24:02,074 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 209.7MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.28ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 92.5MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.07ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 87.8MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.84ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 81.4MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 422.89ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 53.0MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4867.82ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 52.3MB in the beginning and 237.5MB in the end (delta: -185.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 310.4MB. Free memory was 237.5MB in the beginning and 237.5MB in the end (delta: 60.1kB). 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 97, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -25; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 1230640054; [L25] signed long int var_1_6 = 1508873667; [L26] unsigned char var_1_7 = 64; [L27] unsigned char var_1_8 = 200; [L28] unsigned char var_1_9 = 16; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_11 = 8; [L31] float var_1_12 = 15.4; [L32] float var_1_16 = 10000000000000.375; [L33] float var_1_17 = 16.4; [L34] float var_1_18 = 8.5; [L35] float var_1_19 = 64.75; [L36] unsigned char var_1_20 = 16; [L37] signed char var_1_22 = 0; [L38] unsigned char var_1_23 = 16; VAL [isInitial=0, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L110] isInitial = 1 [L111] FCALL initially() [L113] FCALL updateLastVariables() [L114] CALL updateVariables() [L73] var_1_2 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L74] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L75] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L75] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L76] var_1_3 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_3 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L77] RET assume_abort_if_not(var_1_3 >= 1073741822) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L78] CALL assume_abort_if_not(var_1_3 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L78] RET assume_abort_if_not(var_1_3 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L79] var_1_6 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_6 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L80] RET assume_abort_if_not(var_1_6 >= 1073741822) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L81] CALL assume_abort_if_not(var_1_6 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L81] RET assume_abort_if_not(var_1_6 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L82] var_1_8 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_8 >= 190) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=16] [L83] RET assume_abort_if_not(var_1_8 >= 190) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=16] [L84] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=16] [L84] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=16] [L85] var_1_9 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238] [L86] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238] [L87] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L87] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L88] var_1_10 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L89] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L90] CALL assume_abort_if_not(var_1_10 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L90] RET assume_abort_if_not(var_1_10 <= 32) VAL [isInitial=1, var_1_10=-768, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L91] var_1_11 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L92] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=-768, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L93] CALL assume_abort_if_not(var_1_11 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L93] RET assume_abort_if_not(var_1_11 <= 31) VAL [isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L94] var_1_17 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L95] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L96] var_1_18 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L97] RET assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L98] var_1_20 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_20 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L99] RET assume_abort_if_not(var_1_20 >= 1) VAL [isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L100] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L100] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L101] CALL assume_abort_if_not(var_1_20 != 127) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L101] RET assume_abort_if_not(var_1_20 != 127) VAL [isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=2238, var_1_9=831] [L114] RET updateVariables() [L115] CALL step() [L42] var_1_7 = ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11))) [L43] var_1_16 = (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) VAL [isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=27, var_1_8=2238, var_1_9=831] [L44] COND FALSE !((3886175339u - var_1_20) <= (var_1_9 / var_1_3)) [L51] var_1_23 = var_1_20 VAL [isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=27, var_1_8=2238, var_1_9=831] [L53] COND TRUE \read(var_1_2) [L54] var_1_1 = ((var_1_3 - var_1_7) - var_1_7) VAL [isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741768, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=27, var_1_8=2238, var_1_9=831] [L58] signed long int stepLocal_1 = var_1_9 % (var_1_8 - var_1_20); VAL [isInitial=1, stepLocal_1=63, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741768, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=27, var_1_8=2238, var_1_9=831] [L59] EXPR var_1_7 ^ var_1_10 VAL [isInitial=1, stepLocal_1=63, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741768, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=27, var_1_8=2238, var_1_9=831] [L59] signed long int stepLocal_0 = var_1_7 ^ var_1_10; [L60] COND FALSE !(stepLocal_1 > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) VAL [isInitial=1, stepLocal_0=27, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741768, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=27, var_1_8=2238, var_1_9=831] [L65] COND TRUE (var_1_11 % var_1_20) < var_1_1 [L66] var_1_22 = ((((10) > (var_1_10)) ? (10) : (var_1_10))) VAL [isInitial=1, stepLocal_0=27, var_1_10=-768, var_1_11=-256, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741768, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=27, var_1_8=2238, var_1_9=831] [L68] COND TRUE ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f)) [L69] var_1_12 = 31.5f VAL [isInitial=1, stepLocal_0=27, var_1_10=-768, var_1_11=-256, var_1_12=63/2, var_1_19=259/4, var_1_1=1073741768, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=27, var_1_8=2238, var_1_9=831] [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR ((((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_7) - var_1_7))) : (var_1_1 == ((signed long int) (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7)))) && (var_1_7 == ((unsigned char) ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11)))))) && ((((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f))) ? (var_1_12 == ((float) 31.5f)) : 1)) && (var_1_16 == ((float) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))))) && (((var_1_9 % (var_1_8 - var_1_20)) > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) ? (((var_1_3 ^ var_1_23) <= (var_1_7 ^ var_1_10)) ? (var_1_19 == ((float) var_1_17)) : 1) : 1) VAL [isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=63/2, var_1_19=259/4, var_1_1=1073741768, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=27, var_1_8=2238, var_1_9=831] [L106-L107] return ((((((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_7) - var_1_7))) : (var_1_1 == ((signed long int) (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7)))) && (var_1_7 == ((unsigned char) ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11)))))) && ((((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f))) ? (var_1_12 == ((float) 31.5f)) : 1)) && (var_1_16 == ((float) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))))) && (((var_1_9 % (var_1_8 - var_1_20)) > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) ? (((var_1_3 ^ var_1_23) <= (var_1_7 ^ var_1_10)) ? (var_1_19 == ((float) var_1_17)) : 1) : 1)) && (((var_1_11 % var_1_20) < var_1_1) ? (var_1_22 == ((signed char) ((((10) > (var_1_10)) ? (10) : (var_1_10))))) : 1)) && (((3886175339u - var_1_20) <= (var_1_9 / var_1_3)) ? ((var_1_10 > var_1_7) ? (var_1_23 == ((unsigned char) ((((var_1_20) < ((var_1_8 - var_1_9))) ? (var_1_20) : ((var_1_8 - var_1_9)))))) : (var_1_23 == ((unsigned char) (((((var_1_20) > (64)) ? (var_1_20) : (64))) + var_1_11)))) : (var_1_23 == ((unsigned char) var_1_20))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=63/2, var_1_19=259/4, var_1_1=1073741768, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=27, var_1_8=2238, var_1_9=831] [L19] reach_error() VAL [isInitial=1, var_1_10=-768, var_1_11=-256, var_1_12=63/2, var_1_19=259/4, var_1_1=1073741768, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=27, var_1_8=2238, var_1_9=831] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 275 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 274 mSDsluCounter, 388 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 324 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 584 IncrementalHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 64 mSDtfsCounter, 584 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 232 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=1, InterpolantAutomatonStates: 24, 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 498 NumberOfCodeBlocks, 498 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 2133 SizeOfPredicates, 5 NumberOfNonLiveVariables, 282 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 1185/1368 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 [2025-01-09 12:24:02,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.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 8fde2e0ff620a40080e503c7a3f660bc2cd4630a73841f8ba1f9b25a52fdc475 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:24:04,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:24:04,178 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 12:24:04,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:24:04,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:24:04,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:24:04,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:24:04,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:24:04,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:24:04,214 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:24:04,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:24:04,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:24:04,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:24:04,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:24:04,214 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:24:04,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:24:04,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:24:04,215 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:24:04,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:24:04,215 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:24:04,216 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:24:04,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:24:04,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:24:04,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:24:04,216 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:24:04,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:24:04,216 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 12:24:04,216 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 12:24:04,216 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:24:04,216 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:24:04,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:24:04,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:24:04,216 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 -> 8fde2e0ff620a40080e503c7a3f660bc2cd4630a73841f8ba1f9b25a52fdc475 [2025-01-09 12:24:04,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:24:04,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:24:04,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:24:04,425 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:24:04,425 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:24:04,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i [2025-01-09 12:24:05,578 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c2b64e5c/14de27159e404d559967b1a16a4416ba/FLAGd54d219b3 [2025-01-09 12:24:05,743 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:24:05,744 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i [2025-01-09 12:24:05,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c2b64e5c/14de27159e404d559967b1a16a4416ba/FLAGd54d219b3 [2025-01-09 12:24:06,130 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c2b64e5c/14de27159e404d559967b1a16a4416ba [2025-01-09 12:24:06,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:24:06,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:24:06,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:24:06,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:24:06,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:24:06,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5351288f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06, skipping insertion in model container [2025-01-09 12:24:06,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,149 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:24:06,252 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_fillercode_fillercodestructure_normal_file-83.i[913,926] [2025-01-09 12:24:06,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:24:06,317 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:24:06,324 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_fillercode_fillercodestructure_normal_file-83.i[913,926] [2025-01-09 12:24:06,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:24:06,349 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:24:06,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06 WrapperNode [2025-01-09 12:24:06,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:24:06,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:24:06,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:24:06,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:24:06,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,376 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2025-01-09 12:24:06,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:24:06,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:24:06,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:24:06,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:24:06,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,386 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,404 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]. [2025-01-09 12:24:06,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,414 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:24:06,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:24:06,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:24:06,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:24:06,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (1/1) ... [2025-01-09 12:24:06,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:24:06,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:24:06,460 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) [2025-01-09 12:24:06,463 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 [2025-01-09 12:24:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:24:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 12:24:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:24:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:24:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:24:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:24:06,535 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:24:06,537 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:24:08,267 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-01-09 12:24:08,267 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:24:08,274 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:24:08,275 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:24:08,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:24:08 BoogieIcfgContainer [2025-01-09 12:24:08,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:24:08,277 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:24:08,277 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:24:08,281 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:24:08,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:24:06" (1/3) ... [2025-01-09 12:24:08,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1fc8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:24:08, skipping insertion in model container [2025-01-09 12:24:08,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:24:06" (2/3) ... [2025-01-09 12:24:08,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1fc8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:24:08, skipping insertion in model container [2025-01-09 12:24:08,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:24:08" (3/3) ... [2025-01-09 12:24:08,283 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-83.i [2025-01-09 12:24:08,292 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:24:08,293 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-83.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:24:08,344 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:24:08,353 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;@679c2582, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:24:08,357 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:24:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-01-09 12:24:08,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-09 12:24:08,366 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:24:08,366 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:24:08,366 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:24:08,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:24:08,369 INFO L85 PathProgramCache]: Analyzing trace with hash -60620160, now seen corresponding path program 1 times [2025-01-09 12:24:08,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:24:08,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385039284] [2025-01-09 12:24:08,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:24:08,380 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 [2025-01-09 12:24:08,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:24:08,387 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) [2025-01-09 12:24:08,390 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 [2025-01-09 12:24:08,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-09 12:24:08,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-09 12:24:08,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:24:08,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:24:08,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:24:08,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:24:08,804 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2025-01-09 12:24:08,804 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:24:08,805 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:24:08,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385039284] [2025-01-09 12:24:08,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385039284] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:24:08,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:24:08,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 12:24:08,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917993567] [2025-01-09 12:24:08,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:24:08,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:24:08,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:24:08,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:24:08,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:24:08,820 INFO L87 Difference]: Start difference. First operand has 55 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 12:24:08,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:24:08,833 INFO L93 Difference]: Finished difference Result 104 states and 178 transitions. [2025-01-09 12:24:08,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:24:08,834 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2025-01-09 12:24:08,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:24:08,837 INFO L225 Difference]: With dead ends: 104 [2025-01-09 12:24:08,837 INFO L226 Difference]: Without dead ends: 52 [2025-01-09 12:24:08,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:24:08,840 INFO L435 NwaCegarLoop]: 77 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, 77 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 [2025-01-09 12:24:08,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:24:08,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-01-09 12:24:08,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-01-09 12:24:08,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-01-09 12:24:08,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2025-01-09 12:24:08,866 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 120 [2025-01-09 12:24:08,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:24:08,867 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2025-01-09 12:24:08,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 12:24:08,867 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2025-01-09 12:24:08,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-09 12:24:08,868 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:24:08,868 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:24:08,880 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 [2025-01-09 12:24:09,073 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 [2025-01-09 12:24:09,074 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:24:09,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:24:09,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1729961402, now seen corresponding path program 1 times [2025-01-09 12:24:09,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:24:09,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803520604] [2025-01-09 12:24:09,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:24:09,075 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 [2025-01-09 12:24:09,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:24:09,077 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) [2025-01-09 12:24:09,079 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 [2025-01-09 12:24:09,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-09 12:24:09,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-09 12:24:09,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:24:09,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:24:09,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-09 12:24:09,467 INFO L279 TraceCheckSpWp]: Computing forward predicates...