./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.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_codestructure_normal_file-60.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 cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 08:43:59,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 08:43:59,809 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 08:43:59,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 08:43:59,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 08:43:59,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 08:43:59,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 08:43:59,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 08:43:59,842 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 08:43:59,842 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 08:43:59,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 08:43:59,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 08:43:59,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 08:43:59,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 08:43:59,844 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 08:43:59,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 08:43:59,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 08:43:59,844 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 08:43:59,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 08:43:59,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 08:43:59,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 08:43:59,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 08:43:59,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 08:43:59,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 08:43:59,845 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 08:43:59,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 08:43:59,845 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 08:43:59,845 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 08:43:59,846 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 08:43:59,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:43:59,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:43:59,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:43:59,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:43:59,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 08:43:59,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:43:59,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:43:59,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:43:59,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:43:59,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 08:43:59,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 08:43:59,847 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 08:43:59,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 08:43:59,847 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 08:43:59,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 08:43:59,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 08:43:59,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 08:43:59,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 08:43:59,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 08:43:59,848 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 -> cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 [2025-01-09 08:44:00,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 08:44:00,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 08:44:00,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 08:44:00,111 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 08:44:00,112 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 08:44:00,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2025-01-09 08:44:01,508 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/48ef7d754/bbce1b3fa10942fd8e8a4164978b6f02/FLAG8ac866502 [2025-01-09 08:44:01,759 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 08:44:01,760 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2025-01-09 08:44:01,769 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/48ef7d754/bbce1b3fa10942fd8e8a4164978b6f02/FLAG8ac866502 [2025-01-09 08:44:01,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/48ef7d754/bbce1b3fa10942fd8e8a4164978b6f02 [2025-01-09 08:44:01,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 08:44:01,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 08:44:01,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 08:44:01,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 08:44:01,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 08:44:01,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:44:01" (1/1) ... [2025-01-09 08:44:01,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166b273e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:01, skipping insertion in model container [2025-01-09 08:44:01,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:44:01" (1/1) ... [2025-01-09 08:44:01,808 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 08:44:01,927 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2025-01-09 08:44:01,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:44:01,974 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 08:44:01,983 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2025-01-09 08:44:02,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:44:02,018 INFO L204 MainTranslator]: Completed translation [2025-01-09 08:44:02,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02 WrapperNode [2025-01-09 08:44:02,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 08:44:02,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 08:44:02,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 08:44:02,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 08:44:02,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (1/1) ... [2025-01-09 08:44:02,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (1/1) ... [2025-01-09 08:44:02,055 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2025-01-09 08:44:02,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 08:44:02,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 08:44:02,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 08:44:02,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 08:44:02,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (1/1) ... [2025-01-09 08:44:02,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (1/1) ... [2025-01-09 08:44:02,065 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (1/1) ... [2025-01-09 08:44:02,074 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 08:44:02,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (1/1) ... [2025-01-09 08:44:02,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (1/1) ... [2025-01-09 08:44:02,079 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (1/1) ... [2025-01-09 08:44:02,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (1/1) ... [2025-01-09 08:44:02,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (1/1) ... [2025-01-09 08:44:02,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (1/1) ... [2025-01-09 08:44:02,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (1/1) ... [2025-01-09 08:44:02,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 08:44:02,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 08:44:02,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 08:44:02,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 08:44:02,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (1/1) ... [2025-01-09 08:44:02,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:44:02,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:44:02,120 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 08:44:02,131 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 08:44:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 08:44:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 08:44:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 08:44:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 08:44:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 08:44:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 08:44:02,221 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 08:44:02,223 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 08:44:02,509 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 08:44:02,509 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 08:44:02,519 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 08:44:02,520 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 08:44:02,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:44:02 BoogieIcfgContainer [2025-01-09 08:44:02,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 08:44:02,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 08:44:02,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 08:44:02,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 08:44:02,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:44:01" (1/3) ... [2025-01-09 08:44:02,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c59cb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:44:02, skipping insertion in model container [2025-01-09 08:44:02,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:02" (2/3) ... [2025-01-09 08:44:02,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c59cb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:44:02, skipping insertion in model container [2025-01-09 08:44:02,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:44:02" (3/3) ... [2025-01-09 08:44:02,528 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-60.i [2025-01-09 08:44:02,539 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 08:44:02,541 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-60.i that has 2 procedures, 71 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 08:44:02,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 08:44:02,607 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;@46747302, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 08:44:02,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 08:44:02,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 08:44:02,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-01-09 08:44:02,621 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:44:02,622 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:44:02,622 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:44:02,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:44:02,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1095125672, now seen corresponding path program 1 times [2025-01-09 08:44:02,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:44:02,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240483706] [2025-01-09 08:44:02,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:44:02,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:44:02,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-01-09 08:44:02,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-01-09 08:44:02,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:44:02,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:44:02,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-01-09 08:44:02,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:44:02,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240483706] [2025-01-09 08:44:02,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240483706] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 08:44:02,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406560860] [2025-01-09 08:44:02,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:44:02,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:44:02,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:44:02,882 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 08:44:02,888 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 08:44:02,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-01-09 08:44:03,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-01-09 08:44:03,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:44:03,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:44:03,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 08:44:03,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:44:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-01-09 08:44:03,072 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:44:03,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406560860] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:44:03,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 08:44:03,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 08:44:03,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646812706] [2025-01-09 08:44:03,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:44:03,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 08:44:03,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:44:03,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 08:44:03,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:44:03,092 INFO L87 Difference]: Start difference. First operand has 71 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 08:44:03,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:44:03,116 INFO L93 Difference]: Finished difference Result 136 states and 239 transitions. [2025-01-09 08:44:03,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 08:44:03,117 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 161 [2025-01-09 08:44:03,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:44:03,121 INFO L225 Difference]: With dead ends: 136 [2025-01-09 08:44:03,121 INFO L226 Difference]: Without dead ends: 68 [2025-01-09 08:44:03,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 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 08:44:03,125 INFO L435 NwaCegarLoop]: 104 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, 104 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 08:44:03,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:44:03,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-01-09 08:44:03,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2025-01-09 08:44:03,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 08:44:03,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 104 transitions. [2025-01-09 08:44:03,156 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 104 transitions. Word has length 161 [2025-01-09 08:44:03,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:44:03,157 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 104 transitions. [2025-01-09 08:44:03,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 08:44:03,157 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2025-01-09 08:44:03,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-01-09 08:44:03,164 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:44:03,164 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:44:03,174 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 08:44:03,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 08:44:03,370 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:44:03,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:44:03,371 INFO L85 PathProgramCache]: Analyzing trace with hash 500662880, now seen corresponding path program 1 times [2025-01-09 08:44:03,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:44:03,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000994399] [2025-01-09 08:44:03,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:44:03,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:44:03,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-01-09 08:44:03,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-01-09 08:44:03,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:44:03,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:44:03,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-01-09 08:44:03,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:44:03,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000994399] [2025-01-09 08:44:03,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000994399] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:44:03,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 08:44:03,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 08:44:03,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658374046] [2025-01-09 08:44:03,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:44:03,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 08:44:03,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:44:03,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 08:44:03,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 08:44:03,561 INFO L87 Difference]: Start difference. First operand 68 states and 104 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-01-09 08:44:03,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:44:03,618 INFO L93 Difference]: Finished difference Result 169 states and 256 transitions. [2025-01-09 08:44:03,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 08:44:03,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 161 [2025-01-09 08:44:03,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:44:03,622 INFO L225 Difference]: With dead ends: 169 [2025-01-09 08:44:03,622 INFO L226 Difference]: Without dead ends: 104 [2025-01-09 08:44:03,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 08:44:03,623 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 50 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 08:44:03,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 237 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:44:03,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-01-09 08:44:03,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2025-01-09 08:44:03,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 59 states have internal predecessors, (72), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2025-01-09 08:44:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 152 transitions. [2025-01-09 08:44:03,642 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 152 transitions. Word has length 161 [2025-01-09 08:44:03,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:44:03,643 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 152 transitions. [2025-01-09 08:44:03,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-01-09 08:44:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2025-01-09 08:44:03,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-01-09 08:44:03,649 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:44:03,649 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:44:03,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 08:44:03,650 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:44:03,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:44:03,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1605818087, now seen corresponding path program 1 times [2025-01-09 08:44:03,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:44:03,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086261692] [2025-01-09 08:44:03,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:44:03,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:44:03,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-01-09 08:44:03,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-01-09 08:44:03,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:44:03,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 08:44:03,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1395159232] [2025-01-09 08:44:03,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:44:03,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:44:03,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:44:03,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 08:44:03,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 08:44:03,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-01-09 08:44:04,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-01-09 08:44:04,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:44:04,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 08:44:04,017 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 08:44:04,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-01-09 08:44:04,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-01-09 08:44:04,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:44:04,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 08:44:04,123 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 08:44:04,123 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 08:44:04,123 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 08:44:04,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 08:44:04,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:44:04,328 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 08:44:04,393 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 08:44:04,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 08:44:04 BoogieIcfgContainer [2025-01-09 08:44:04,395 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 08:44:04,396 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 08:44:04,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 08:44:04,396 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 08:44:04,396 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:44:02" (3/4) ... [2025-01-09 08:44:04,398 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 08:44:04,398 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 08:44:04,399 INFO L158 Benchmark]: Toolchain (without parser) took 2612.78ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 81.3MB in the end (delta: 29.3MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2025-01-09 08:44:04,399 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:44:04,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.55ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 96.9MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 08:44:04,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.82ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 94.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:44:04,399 INFO L158 Benchmark]: Boogie Preprocessor took 33.50ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 92.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:44:04,400 INFO L158 Benchmark]: RCFGBuilder took 430.01ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 73.8MB in the end (delta: 18.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 08:44:04,400 INFO L158 Benchmark]: TraceAbstraction took 1873.28ms. Allocated memory is still 142.6MB. Free memory was 73.1MB in the beginning and 82.1MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:44:04,400 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 81.3MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:44:04,401 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.55ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 96.9MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.82ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 94.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.50ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 92.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 430.01ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 73.8MB in the end (delta: 18.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1873.28ms. Allocated memory is still 142.6MB. Free memory was 73.1MB in the beginning and 82.1MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 81.3MB in the end (delta: 37.0kB). 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 80, overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 139, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 139, overapproximation of someBinaryDOUBLEComparisonOperation at line 128, overapproximation of someBinaryDOUBLEComparisonOperation at line 122, overapproximation of someBinaryDOUBLEComparisonOperation at line 124. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 32; [L23] unsigned char var_1_2 = 1; [L24] float var_1_3 = 10.7; [L25] float var_1_4 = 7.8; [L26] float var_1_5 = 99.5; [L27] signed short int var_1_6 = 16; [L28] signed short int var_1_7 = 256; [L29] float var_1_8 = 256.6; [L30] unsigned char var_1_9 = 50; [L31] unsigned char var_1_10 = 5; [L32] double var_1_11 = 127.75; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 0; [L36] double var_1_15 = 15.2; [L37] double var_1_16 = 256.5; [L38] double var_1_17 = 256.5; [L39] double var_1_18 = 0.0; [L40] double var_1_19 = 9.7; [L41] unsigned long int var_1_20 = 10000000; [L42] unsigned long int var_1_21 = 4008920074; [L43] unsigned long int var_1_22 = 128; VAL [isInitial=0, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=1, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L143] isInitial = 1 [L144] FCALL initially() [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L94] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L95] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L95] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L96] var_1_3 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L97] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L98] var_1_4 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L99] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L100] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L100] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L101] var_1_5 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L102] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L103] var_1_6 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L104] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L105] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L105] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L106] var_1_7 = __VERIFIER_nondet_short() [L107] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L107] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L108] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L108] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L109] var_1_10 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L111] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L111] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L112] var_1_12 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L113] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L114] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L114] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L115] var_1_13 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L116] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L117] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L117] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L118] var_1_14 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L119] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L120] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L120] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L121] var_1_15 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L122] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L123] var_1_17 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L124] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L125] var_1_18 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L126] RET assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L127] var_1_19 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L128] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L129] var_1_21 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_21 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=-2, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=-2, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L130] RET assume_abort_if_not(var_1_21 >= 2147483647) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=-2, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L131] CALL assume_abort_if_not(var_1_21 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=-2, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=-2, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L131] RET assume_abort_if_not(var_1_21 <= 4294967294) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=-2, var_1_22=128, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L132] var_1_22 = __VERIFIER_nondet_ulong() [L133] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=-2, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=-2, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L133] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=-2, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L134] CALL assume_abort_if_not(var_1_22 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=-2, var_1_22=0, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=-2, var_1_22=0, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L134] RET assume_abort_if_not(var_1_22 <= 4294967294) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=-2, var_1_22=0, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L147] RET updateVariables() [L148] CALL step() [L47] COND FALSE !(\read(var_1_2)) [L54] var_1_1 = var_1_7 VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=1, var_1_20=10000000, var_1_21=-2, var_1_22=0, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L56] COND FALSE !((- var_1_5) <= var_1_4) VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=1, var_1_20=10000000, var_1_21=-2, var_1_22=0, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=50] [L61] COND FALSE !(var_1_8 < (var_1_3 + var_1_5)) [L68] var_1_9 = var_1_10 VAL [isInitial=1, var_1_10=-255, var_1_11=511/4, var_1_12=1, var_1_13=0, var_1_14=0, var_1_16=513/2, var_1_1=1, var_1_20=10000000, var_1_21=-2, var_1_22=0, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=-255] [L70] COND FALSE !((var_1_8 >= var_1_3) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14))) [L77] var_1_11 = var_1_15 VAL [isInitial=1, var_1_10=-255, var_1_11=2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=2, var_1_16=513/2, var_1_1=1, var_1_20=10000000, var_1_21=-2, var_1_22=0, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=-255] [L79] COND TRUE ((var_1_10 * var_1_7) + var_1_9) > var_1_1 [L80] var_1_16 = (var_1_17 - (var_1_18 - var_1_19)) VAL [isInitial=1, var_1_10=-255, var_1_11=2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=1, var_1_20=10000000, var_1_21=-2, var_1_22=0, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=-255] [L82] COND FALSE !(\read(var_1_13)) VAL [isInitial=1, var_1_10=-255, var_1_11=2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=1, var_1_20=10000000, var_1_21=-2, var_1_22=0, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=-255] [L85] COND TRUE var_1_7 >= var_1_6 [L86] var_1_20 = (var_1_21 - var_1_9) VAL [isInitial=1, var_1_10=-255, var_1_11=2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=1, var_1_20=-3, var_1_21=-2, var_1_22=0, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=-255] [L148] RET step() [L149] CALL, EXPR property() [L139-L140] return (((((var_1_2 ? (((var_1_3 / var_1_4) <= var_1_5) ? (var_1_1 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_1 == ((signed short int) var_1_6))) : (var_1_1 == ((signed short int) var_1_7))) && (((- var_1_5) <= var_1_4) ? (((var_1_3 <= var_1_4) || var_1_2) ? (var_1_8 == ((float) 3.3f)) : 1) : 1)) && ((var_1_8 < (var_1_3 + var_1_5)) ? ((((((var_1_7) < (var_1_1)) ? (var_1_7) : (var_1_1))) > (var_1_6 * 1)) ? (var_1_9 == ((unsigned char) var_1_10)) : (var_1_9 == ((unsigned char) var_1_10))) : (var_1_9 == ((unsigned char) var_1_10)))) && (((var_1_8 >= var_1_3) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14))) ? (var_1_2 ? (var_1_11 == ((double) var_1_15)) : (var_1_11 == ((double) var_1_15))) : (var_1_11 == ((double) var_1_15)))) && ((((var_1_10 * var_1_7) + var_1_9) > var_1_1) ? (var_1_16 == ((double) (var_1_17 - (var_1_18 - var_1_19)))) : 1)) && (var_1_13 ? (var_1_20 == ((unsigned long int) (((((var_1_7) > (128u)) ? (var_1_7) : (128u))) + var_1_9))) : ((var_1_7 >= var_1_6) ? (var_1_20 == ((unsigned long int) (var_1_21 - var_1_9))) : (var_1_20 == ((unsigned long int) var_1_22)))) ; VAL [\result=0, isInitial=1, var_1_10=-255, var_1_11=2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=1, var_1_20=-3, var_1_21=-2, var_1_22=0, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=-255] [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-255, var_1_11=2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=1, var_1_20=-3, var_1_21=-2, var_1_22=0, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=-255] [L19] reach_error() VAL [isInitial=1, var_1_10=-255, var_1_11=2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=1, var_1_20=-3, var_1_21=-2, var_1_22=0, var_1_2=0, var_1_6=0, var_1_7=1, var_1_8=1283/5, var_1_9=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 341 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 247 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 807 NumberOfCodeBlocks, 807 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 357 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 3850/3900 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 08:44:04,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.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 cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 08:44:06,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 08:44:06,472 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 08:44:06,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 08:44:06,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 08:44:06,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 08:44:06,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 08:44:06,506 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 08:44:06,506 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 08:44:06,506 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 08:44:06,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 08:44:06,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 08:44:06,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 08:44:06,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 08:44:06,507 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 08:44:06,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 08:44:06,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 08:44:06,507 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 08:44:06,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 08:44:06,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 08:44:06,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 08:44:06,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 08:44:06,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 08:44:06,508 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 08:44:06,508 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 08:44:06,508 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 08:44:06,508 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 08:44:06,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 08:44:06,508 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 08:44:06,508 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 08:44:06,508 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 08:44:06,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:44:06,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:44:06,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:44:06,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:44:06,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 08:44:06,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:44:06,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:44:06,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:44:06,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:44:06,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 08:44:06,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 08:44:06,512 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 08:44:06,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 08:44:06,512 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 08:44:06,513 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 08:44:06,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 08:44:06,513 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 08:44:06,513 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 08:44:06,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 08:44:06,513 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 -> cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 [2025-01-09 08:44:06,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 08:44:06,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 08:44:06,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 08:44:06,816 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 08:44:06,816 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 08:44:06,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2025-01-09 08:44:08,056 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e6a5ab879/c9bea577596f420c885d457523991d87/FLAG0f6a8f660 [2025-01-09 08:44:08,260 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 08:44:08,261 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2025-01-09 08:44:08,269 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e6a5ab879/c9bea577596f420c885d457523991d87/FLAG0f6a8f660 [2025-01-09 08:44:08,286 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e6a5ab879/c9bea577596f420c885d457523991d87 [2025-01-09 08:44:08,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 08:44:08,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 08:44:08,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 08:44:08,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 08:44:08,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 08:44:08,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b09081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08, skipping insertion in model container [2025-01-09 08:44:08,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 08:44:08,427 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2025-01-09 08:44:08,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:44:08,499 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 08:44:08,509 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2025-01-09 08:44:08,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:44:08,541 INFO L204 MainTranslator]: Completed translation [2025-01-09 08:44:08,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08 WrapperNode [2025-01-09 08:44:08,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 08:44:08,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 08:44:08,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 08:44:08,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 08:44:08,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,576 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2025-01-09 08:44:08,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 08:44:08,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 08:44:08,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 08:44:08,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 08:44:08,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,586 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,594 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 08:44:08,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,604 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 08:44:08,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 08:44:08,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 08:44:08,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 08:44:08,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (1/1) ... [2025-01-09 08:44:08,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:44:08,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:44:08,650 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 08:44:08,653 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 08:44:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 08:44:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 08:44:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 08:44:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 08:44:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 08:44:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 08:44:08,718 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 08:44:08,719 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 08:44:15,210 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 08:44:15,210 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 08:44:15,216 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 08:44:15,216 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 08:44:15,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:44:15 BoogieIcfgContainer [2025-01-09 08:44:15,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 08:44:15,218 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 08:44:15,218 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 08:44:15,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 08:44:15,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:44:08" (1/3) ... [2025-01-09 08:44:15,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fffcee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:44:15, skipping insertion in model container [2025-01-09 08:44:15,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:44:08" (2/3) ... [2025-01-09 08:44:15,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fffcee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:44:15, skipping insertion in model container [2025-01-09 08:44:15,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:44:15" (3/3) ... [2025-01-09 08:44:15,222 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-60.i [2025-01-09 08:44:15,231 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 08:44:15,233 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-60.i that has 2 procedures, 71 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 08:44:15,265 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 08:44:15,276 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;@5bae8a48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 08:44:15,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 08:44:15,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 08:44:15,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-01-09 08:44:15,287 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:44:15,287 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:44:15,287 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:44:15,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:44:15,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1095125672, now seen corresponding path program 1 times [2025-01-09 08:44:15,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:44:15,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [322422594] [2025-01-09 08:44:15,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:44:15,303 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 08:44:15,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:44:15,307 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 08:44:15,308 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 08:44:15,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-01-09 08:44:15,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-01-09 08:44:15,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:44:15,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:44:15,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 08:44:15,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:44:15,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2025-01-09 08:44:15,838 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:44:15,838 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 08:44:15,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [322422594] [2025-01-09 08:44:15,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [322422594] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:44:15,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 08:44:15,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 08:44:15,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115138780] [2025-01-09 08:44:15,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:44:15,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 08:44:15,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 08:44:15,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 08:44:15,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:44:15,869 INFO L87 Difference]: Start difference. First operand has 71 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 08:44:15,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:44:15,900 INFO L93 Difference]: Finished difference Result 136 states and 239 transitions. [2025-01-09 08:44:15,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 08:44:15,902 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 161 [2025-01-09 08:44:15,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:44:15,908 INFO L225 Difference]: With dead ends: 136 [2025-01-09 08:44:15,908 INFO L226 Difference]: Without dead ends: 68 [2025-01-09 08:44:15,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 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 08:44:15,916 INFO L435 NwaCegarLoop]: 104 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, 104 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 08:44:15,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:44:15,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-01-09 08:44:15,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2025-01-09 08:44:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 08:44:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 104 transitions. [2025-01-09 08:44:15,965 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 104 transitions. Word has length 161 [2025-01-09 08:44:15,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:44:15,966 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 104 transitions. [2025-01-09 08:44:15,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 08:44:15,967 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2025-01-09 08:44:15,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-01-09 08:44:15,971 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:44:15,971 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:44:15,992 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 08:44:16,176 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 08:44:16,176 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:44:16,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:44:16,177 INFO L85 PathProgramCache]: Analyzing trace with hash 500662880, now seen corresponding path program 1 times [2025-01-09 08:44:16,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:44:16,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099722594] [2025-01-09 08:44:16,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:44:16,181 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 08:44:16,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:44:16,183 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 08:44:16,185 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 08:44:16,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-01-09 08:44:16,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-01-09 08:44:16,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:44:16,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:44:16,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 08:44:16,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:44:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-01-09 08:44:16,846 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:44:16,846 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 08:44:16,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099722594] [2025-01-09 08:44:16,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1099722594] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:44:16,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 08:44:16,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 08:44:16,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111226107] [2025-01-09 08:44:16,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:44:16,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 08:44:16,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 08:44:16,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 08:44:16,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 08:44:16,850 INFO L87 Difference]: Start difference. First operand 68 states and 104 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-01-09 08:44:20,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 08:44:20,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:44:20,577 INFO L93 Difference]: Finished difference Result 169 states and 256 transitions. [2025-01-09 08:44:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 08:44:20,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 161 [2025-01-09 08:44:20,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:44:20,581 INFO L225 Difference]: With dead ends: 169 [2025-01-09 08:44:20,581 INFO L226 Difference]: Without dead ends: 104 [2025-01-09 08:44:20,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 08:44:20,583 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 50 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2025-01-09 08:44:20,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 236 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2025-01-09 08:44:20,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-01-09 08:44:20,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2025-01-09 08:44:20,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 59 states have internal predecessors, (72), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2025-01-09 08:44:20,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 152 transitions. [2025-01-09 08:44:20,598 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 152 transitions. Word has length 161 [2025-01-09 08:44:20,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:44:20,599 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 152 transitions. [2025-01-09 08:44:20,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-01-09 08:44:20,599 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2025-01-09 08:44:20,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-01-09 08:44:20,605 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:44:20,605 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:44:20,624 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 (3)] Ended with exit code 0 [2025-01-09 08:44:20,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 08:44:20,809 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:44:20,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:44:20,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1605818087, now seen corresponding path program 1 times [2025-01-09 08:44:20,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:44:20,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709126689] [2025-01-09 08:44:20,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:44:20,811 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 08:44:20,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:44:20,814 INFO L229 MonitoredProcess]: Starting monitored process 4 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 08:44:20,815 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 (4)] Waiting until timeout for monitored process [2025-01-09 08:44:20,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-01-09 08:44:21,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-01-09 08:44:21,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:44:21,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:44:21,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-09 08:44:21,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:45:36,018 WARN L286 SmtUtils]: Spent 22.96s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)