./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.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_operatoramount_amount50_file-62.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 8ad032f7b7cfa41663719a1afb668577ff0f53f071fcb9ae4ca664aa9bfad6ae --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 15:00:07,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 15:00:07,749 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 15:00:07,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 15:00:07,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 15:00:07,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 15:00:07,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 15:00:07,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 15:00:07,784 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 15:00:07,784 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 15:00:07,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 15:00:07,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 15:00:07,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 15:00:07,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 15:00:07,786 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 15:00:07,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 15:00:07,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 15:00:07,786 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 15:00:07,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 15:00:07,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 15:00:07,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 15:00:07,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 15:00:07,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 15:00:07,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 15:00:07,787 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 15:00:07,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 15:00:07,788 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 15:00:07,788 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 15:00:07,788 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 15:00:07,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:00:07,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:00:07,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:00:07,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:00:07,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 15:00:07,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:00:07,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:00:07,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:00:07,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:00:07,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 15:00:07,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 15:00:07,789 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 15:00:07,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 15:00:07,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 15:00:07,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 15:00:07,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 15:00:07,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 15:00:07,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 15:00:07,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 15:00:07,789 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 -> 8ad032f7b7cfa41663719a1afb668577ff0f53f071fcb9ae4ca664aa9bfad6ae [2025-01-09 15:00:08,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 15:00:08,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 15:00:08,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 15:00:08,081 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 15:00:08,081 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 15:00:08,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i [2025-01-09 15:00:09,362 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b8faa88f4/0672995fa2f64522968cb372864b5b12/FLAGb5e297a6f [2025-01-09 15:00:09,712 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 15:00:09,712 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i [2025-01-09 15:00:09,726 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b8faa88f4/0672995fa2f64522968cb372864b5b12/FLAGb5e297a6f [2025-01-09 15:00:09,747 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b8faa88f4/0672995fa2f64522968cb372864b5b12 [2025-01-09 15:00:09,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 15:00:09,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 15:00:09,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 15:00:09,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 15:00:09,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 15:00:09,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:00:09" (1/1) ... [2025-01-09 15:00:09,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13491ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:09, skipping insertion in model container [2025-01-09 15:00:09,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:00:09" (1/1) ... [2025-01-09 15:00:09,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 15:00:09,918 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_operatoramount_amount50_file-62.i[915,928] [2025-01-09 15:00:09,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:00:09,994 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 15:00:10,009 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_operatoramount_amount50_file-62.i[915,928] [2025-01-09 15:00:10,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:00:10,069 INFO L204 MainTranslator]: Completed translation [2025-01-09 15:00:10,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10 WrapperNode [2025-01-09 15:00:10,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 15:00:10,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 15:00:10,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 15:00:10,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 15:00:10,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (1/1) ... [2025-01-09 15:00:10,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (1/1) ... [2025-01-09 15:00:10,118 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2025-01-09 15:00:10,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 15:00:10,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 15:00:10,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 15:00:10,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 15:00:10,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (1/1) ... [2025-01-09 15:00:10,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (1/1) ... [2025-01-09 15:00:10,132 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (1/1) ... [2025-01-09 15:00:10,147 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 15:00:10,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (1/1) ... [2025-01-09 15:00:10,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (1/1) ... [2025-01-09 15:00:10,157 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (1/1) ... [2025-01-09 15:00:10,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (1/1) ... [2025-01-09 15:00:10,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (1/1) ... [2025-01-09 15:00:10,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (1/1) ... [2025-01-09 15:00:10,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (1/1) ... [2025-01-09 15:00:10,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 15:00:10,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 15:00:10,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 15:00:10,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 15:00:10,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (1/1) ... [2025-01-09 15:00:10,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:00:10,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:00:10,219 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 15:00:10,224 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 15:00:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 15:00:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 15:00:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 15:00:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 15:00:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 15:00:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 15:00:10,317 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 15:00:10,319 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 15:00:10,632 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-01-09 15:00:10,633 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 15:00:10,648 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 15:00:10,648 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 15:00:10,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:00:10 BoogieIcfgContainer [2025-01-09 15:00:10,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 15:00:10,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 15:00:10,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 15:00:10,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 15:00:10,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:00:09" (1/3) ... [2025-01-09 15:00:10,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f989a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:00:10, skipping insertion in model container [2025-01-09 15:00:10,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:10" (2/3) ... [2025-01-09 15:00:10,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f989a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:00:10, skipping insertion in model container [2025-01-09 15:00:10,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:00:10" (3/3) ... [2025-01-09 15:00:10,658 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-62.i [2025-01-09 15:00:10,672 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 15:00:10,674 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-62.i that has 2 procedures, 69 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 15:00:10,746 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 15:00:10,759 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;@2c1adf19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 15:00:10,760 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 15:00:10,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 48 states have internal predecessors, (66), 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 15:00:10,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-01-09 15:00:10,776 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:00:10,777 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 15:00:10,777 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:00:10,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:00:10,784 INFO L85 PathProgramCache]: Analyzing trace with hash 714228377, now seen corresponding path program 1 times [2025-01-09 15:00:10,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 15:00:10,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553255748] [2025-01-09 15:00:10,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:00:10,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 15:00:10,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 15:00:10,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 15:00:10,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:00:10,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:00:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2025-01-09 15:00:11,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 15:00:11,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553255748] [2025-01-09 15:00:11,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553255748] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 15:00:11,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 15:00:11,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 15:00:11,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578679955] [2025-01-09 15:00:11,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 15:00:11,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 15:00:11,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 15:00:11,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 15:00:11,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-09 15:00:11,532 INFO L87 Difference]: Start difference. First operand has 69 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 48 states have internal predecessors, (66), 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 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 15:00:11,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 15:00:11,744 INFO L93 Difference]: Finished difference Result 195 states and 333 transitions. [2025-01-09 15:00:11,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 15:00:11,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 125 [2025-01-09 15:00:11,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 15:00:11,753 INFO L225 Difference]: With dead ends: 195 [2025-01-09 15:00:11,754 INFO L226 Difference]: Without dead ends: 129 [2025-01-09 15:00:11,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-09 15:00:11,763 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 80 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 15:00:11,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 276 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 15:00:11,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-01-09 15:00:11,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 96. [2025-01-09 15:00:11,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 66 states have internal predecessors, (82), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 15:00:11,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2025-01-09 15:00:11,834 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 125 [2025-01-09 15:00:11,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 15:00:11,837 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2025-01-09 15:00:11,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 15:00:11,837 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2025-01-09 15:00:11,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-01-09 15:00:11,844 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:00:11,844 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 15:00:11,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 15:00:11,845 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:00:11,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:00:11,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1805731557, now seen corresponding path program 1 times [2025-01-09 15:00:11,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 15:00:11,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115672307] [2025-01-09 15:00:11,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:00:11,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 15:00:11,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 15:00:11,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 15:00:11,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:00:11,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 15:00:11,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1299863052] [2025-01-09 15:00:11,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:00:11,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 15:00:11,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:00:11,975 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 15:00:11,976 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 15:00:12,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 15:00:12,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 15:00:12,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:00:12,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 15:00:12,087 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 15:00:12,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 15:00:12,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 15:00:12,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:00:12,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 15:00:12,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 15:00:12,215 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 15:00:12,217 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 15:00:12,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 15:00:12,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 15:00:12,421 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 15:00:12,527 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 15:00:12,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 03:00:12 BoogieIcfgContainer [2025-01-09 15:00:12,531 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 15:00:12,532 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 15:00:12,532 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 15:00:12,532 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 15:00:12,533 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:00:10" (3/4) ... [2025-01-09 15:00:12,535 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 15:00:12,536 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 15:00:12,537 INFO L158 Benchmark]: Toolchain (without parser) took 2786.06ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 112.1MB in the end (delta: 191.2kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2025-01-09 15:00:12,537 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 15:00:12,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.26ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 98.4MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 15:00:12,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.72ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 95.5MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 15:00:12,538 INFO L158 Benchmark]: Boogie Preprocessor took 59.32ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 92.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 15:00:12,538 INFO L158 Benchmark]: RCFGBuilder took 469.27ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 73.3MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 15:00:12,538 INFO L158 Benchmark]: TraceAbstraction took 1880.89ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 113.0MB in the end (delta: -40.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2025-01-09 15:00:12,539 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 112.1MB in the end (delta: 914.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 15:00:12,540 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.26ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 98.4MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.72ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 95.5MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.32ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 92.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.27ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 73.3MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1880.89ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 113.0MB in the end (delta: -40.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 112.1MB in the end (delta: 914.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 75, overapproximation of someBinaryArithmeticDOUBLEoperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.25; [L23] signed long int var_1_3 = -25; [L24] signed long int var_1_4 = -128; [L25] double var_1_6 = 2.75; [L26] double var_1_7 = 24.5; [L27] double var_1_8 = 199.5; [L28] float var_1_9 = 32.8; [L29] unsigned char var_1_10 = 1; [L30] float var_1_11 = 15.4; [L31] float var_1_12 = 0.0; [L32] unsigned long int var_1_13 = 2; [L33] float var_1_16 = 127.6; [L34] signed long int var_1_17 = 128; [L35] unsigned char var_1_19 = 10; [L36] unsigned char var_1_20 = 0; [L37] unsigned char var_1_21 = 64; [L38] double var_1_22 = 15.95; [L39] unsigned long int var_1_23 = 4127848294; VAL [isInitial=0, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-25, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L117] isInitial = 1 [L118] FCALL initially() [L120] FCALL updateLastVariables() [L121] CALL updateVariables() [L79] var_1_3 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L80] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L81] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L81] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L82] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L82] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L83] var_1_4 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L84] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L85] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L85] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L86] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L86] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L87] var_1_6 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L88] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L89] var_1_7 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_8=399/2, var_1_9=164/5] [L90] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_8=399/2, var_1_9=164/5] [L91] var_1_8 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L92] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L93] var_1_10 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L94] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L95] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L95] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L96] var_1_11 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L97] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L98] var_1_12 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L99] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L100] var_1_20 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L101] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L102] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L102] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L103] var_1_21 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L104] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L105] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L105] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L106] var_1_23 = __VERIFIER_nondet_ulong() [L107] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L107] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L108] CALL assume_abort_if_not(var_1_23 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L108] RET assume_abort_if_not(var_1_23 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L121] RET updateVariables() [L122] CALL step() [L43] COND TRUE var_1_12 <= (var_1_7 * 5.8f) [L44] var_1_16 = ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L48] COND TRUE var_1_10 || var_1_20 [L49] var_1_19 = ((((var_1_21) > (32)) ? (var_1_21) : (32))) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=32, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L51] COND FALSE !(\read(var_1_10)) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=32, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L56] signed long int stepLocal_0 = (var_1_3 % var_1_4) * var_1_19; VAL [isInitial=1, stepLocal_0=0, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=32, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L57] COND TRUE var_1_19 > stepLocal_0 [L58] var_1_1 = (var_1_6 - (var_1_7 + var_1_8)) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L62] COND TRUE ! var_1_10 [L63] var_1_13 = (50u + var_1_19) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L67] COND FALSE !(var_1_8 < (var_1_22 / var_1_12)) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L72] COND FALSE !(var_1_10 || (var_1_19 == var_1_13)) [L75] var_1_9 = ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=3] [L122] RET step() [L123] CALL, EXPR property() [L113] EXPR (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=3] [L113-L114] return (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) ; [L123] RET, EXPR property() [L123] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=3] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 276 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 114 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=1, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 33 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 684/684 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 15:00:12,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.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 8ad032f7b7cfa41663719a1afb668577ff0f53f071fcb9ae4ca664aa9bfad6ae --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 15:00:14,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 15:00:14,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 15:00:14,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 15:00:14,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 15:00:14,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 15:00:14,922 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 15:00:14,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 15:00:14,922 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 15:00:14,922 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 15:00:14,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 15:00:14,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 15:00:14,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 15:00:14,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 15:00:14,923 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 15:00:14,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 15:00:14,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 15:00:14,923 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 15:00:14,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 15:00:14,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 15:00:14,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 15:00:14,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 15:00:14,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 15:00:14,927 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 15:00:14,927 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 15:00:14,927 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 15:00:14,928 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 15:00:14,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 15:00:14,929 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 15:00:14,929 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 15:00:14,929 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 15:00:14,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:00:14,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:00:14,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:00:14,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:00:14,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 15:00:14,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:00:14,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:00:14,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:00:14,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:00:14,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 15:00:14,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 15:00:14,930 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 15:00:14,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 15:00:14,931 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 15:00:14,931 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 15:00:14,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 15:00:14,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 15:00:14,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 15:00:14,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 15:00:14,932 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 -> 8ad032f7b7cfa41663719a1afb668577ff0f53f071fcb9ae4ca664aa9bfad6ae [2025-01-09 15:00:15,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 15:00:15,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 15:00:15,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 15:00:15,241 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 15:00:15,241 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 15:00:15,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i [2025-01-09 15:00:16,524 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bacb3dd9a/58fee2eaf1ad4f49b0890bc8c8c4f7a4/FLAGd73a7052c [2025-01-09 15:00:16,766 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 15:00:16,767 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-62.i [2025-01-09 15:00:16,777 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bacb3dd9a/58fee2eaf1ad4f49b0890bc8c8c4f7a4/FLAGd73a7052c [2025-01-09 15:00:16,797 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bacb3dd9a/58fee2eaf1ad4f49b0890bc8c8c4f7a4 [2025-01-09 15:00:16,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 15:00:16,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 15:00:16,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 15:00:16,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 15:00:16,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 15:00:16,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:00:16" (1/1) ... [2025-01-09 15:00:16,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1ca4a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:16, skipping insertion in model container [2025-01-09 15:00:16,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:00:16" (1/1) ... [2025-01-09 15:00:16,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 15:00:16,958 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_operatoramount_amount50_file-62.i[915,928] [2025-01-09 15:00:17,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:00:17,025 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 15:00:17,038 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_operatoramount_amount50_file-62.i[915,928] [2025-01-09 15:00:17,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:00:17,080 INFO L204 MainTranslator]: Completed translation [2025-01-09 15:00:17,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17 WrapperNode [2025-01-09 15:00:17,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 15:00:17,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 15:00:17,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 15:00:17,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 15:00:17,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (1/1) ... [2025-01-09 15:00:17,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (1/1) ... [2025-01-09 15:00:17,135 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2025-01-09 15:00:17,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 15:00:17,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 15:00:17,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 15:00:17,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 15:00:17,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (1/1) ... [2025-01-09 15:00:17,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (1/1) ... [2025-01-09 15:00:17,154 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (1/1) ... [2025-01-09 15:00:17,174 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 15:00:17,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (1/1) ... [2025-01-09 15:00:17,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (1/1) ... [2025-01-09 15:00:17,186 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (1/1) ... [2025-01-09 15:00:17,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (1/1) ... [2025-01-09 15:00:17,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (1/1) ... [2025-01-09 15:00:17,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (1/1) ... [2025-01-09 15:00:17,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (1/1) ... [2025-01-09 15:00:17,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 15:00:17,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 15:00:17,210 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 15:00:17,210 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 15:00:17,211 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (1/1) ... [2025-01-09 15:00:17,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:00:17,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:00:17,242 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 15:00:17,246 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 15:00:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 15:00:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 15:00:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 15:00:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 15:00:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 15:00:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 15:00:17,336 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 15:00:17,337 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 15:00:40,494 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 15:00:40,495 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 15:00:40,507 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 15:00:40,507 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 15:00:40,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:00:40 BoogieIcfgContainer [2025-01-09 15:00:40,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 15:00:40,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 15:00:40,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 15:00:40,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 15:00:40,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:00:16" (1/3) ... [2025-01-09 15:00:40,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba89418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:00:40, skipping insertion in model container [2025-01-09 15:00:40,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:00:17" (2/3) ... [2025-01-09 15:00:40,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba89418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:00:40, skipping insertion in model container [2025-01-09 15:00:40,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:00:40" (3/3) ... [2025-01-09 15:00:40,518 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-62.i [2025-01-09 15:00:40,528 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 15:00:40,529 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-62.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 15:00:40,569 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 15:00:40,578 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;@e9b174c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 15:00:40,578 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 15:00:40,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 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 15:00:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-01-09 15:00:40,591 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:00:40,592 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] [2025-01-09 15:00:40,592 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:00:40,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:00:40,597 INFO L85 PathProgramCache]: Analyzing trace with hash -868878341, now seen corresponding path program 1 times [2025-01-09 15:00:40,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 15:00:40,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1213498028] [2025-01-09 15:00:40,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:00:40,611 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 15:00:40,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 15:00:40,616 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 15:00:40,617 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 15:00:40,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-09 15:00:41,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-09 15:00:41,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:00:41,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:00:41,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 15:00:41,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 15:00:41,913 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2025-01-09 15:00:41,913 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 15:00:41,913 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 15:00:41,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1213498028] [2025-01-09 15:00:41,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1213498028] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 15:00:41,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 15:00:41,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 15:00:41,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297732978] [2025-01-09 15:00:41,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 15:00:41,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 15:00:41,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 15:00:41,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 15:00:41,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 15:00:41,938 INFO L87 Difference]: Start difference. First operand has 58 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 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 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 15:00:41,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 15:00:41,955 INFO L93 Difference]: Finished difference Result 110 states and 188 transitions. [2025-01-09 15:00:41,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 15:00:41,957 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 123 [2025-01-09 15:00:41,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 15:00:41,962 INFO L225 Difference]: With dead ends: 110 [2025-01-09 15:00:41,962 INFO L226 Difference]: Without dead ends: 55 [2025-01-09 15:00:41,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 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 15:00:41,966 INFO L435 NwaCegarLoop]: 82 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, 82 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 15:00:41,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 15:00:41,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2025-01-09 15:00:41,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2025-01-09 15:00:41,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 34 states have (on average 1.2941176470588236) 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 15:00:41,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 82 transitions. [2025-01-09 15:00:41,999 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 82 transitions. Word has length 123 [2025-01-09 15:00:42,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 15:00:42,000 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 82 transitions. [2025-01-09 15:00:42,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 15:00:42,000 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2025-01-09 15:00:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-01-09 15:00:42,002 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:00:42,002 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] [2025-01-09 15:00:42,047 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 15:00:42,203 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 15:00:42,203 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:00:42,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:00:42,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1330642123, now seen corresponding path program 1 times [2025-01-09 15:00:42,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 15:00:42,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79011561] [2025-01-09 15:00:42,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:00:42,205 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 15:00:42,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 15:00:42,207 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 15:00:42,208 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 15:00:42,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-09 15:00:44,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-09 15:00:44,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:00:44,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:00:44,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-09 15:00:44,855 INFO L279 TraceCheckSpWp]: Computing forward predicates...