./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1 --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 9b08b530c256c0cc63e5a2f7b8d2405af05be94e0639ec5a05aeb4fd2eed5431 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:11:07,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:11:07,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:11:07,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:11:07,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:11:07,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:11:07,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:11:07,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:11:07,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:11:07,980 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:11:07,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:11:07,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:11:07,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:11:07,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:11:07,980 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:11:07,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:11:07,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:11:07,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:11:07,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:11:07,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:11:07,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:11:07,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:11:07,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:11:07,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:11:07,981 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:11:07,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:11:07,981 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:11:07,982 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:11:07,982 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:11:07,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:11:07,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:11:07,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:11:07,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:11:07,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:11:07,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:11:07,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:11:07,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:11:07,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:11:07,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:11:07,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:11:07,983 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:11:07,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:11:07,983 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:11:07,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:11:07,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:11:07,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:11:07,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:11:07,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:11:07,983 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1 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 -> 9b08b530c256c0cc63e5a2f7b8d2405af05be94e0639ec5a05aeb4fd2eed5431 [2024-12-02 15:11:08,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:11:08,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:11:08,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:11:08,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:11:08,227 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:11:08,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-64.i [2024-12-02 15:11:10,830 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/data/24034a177/2440efe7cc5642db8d9509738cd4be6a/FLAGa115eb385 [2024-12-02 15:11:11,040 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:11:11,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-64.i [2024-12-02 15:11:11,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/data/24034a177/2440efe7cc5642db8d9509738cd4be6a/FLAGa115eb385 [2024-12-02 15:11:11,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/data/24034a177/2440efe7cc5642db8d9509738cd4be6a [2024-12-02 15:11:11,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:11:11,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:11:11,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:11:11,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:11:11,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:11:11,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439c92fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11, skipping insertion in model container [2024-12-02 15:11:11,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:11:11,180 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-64.i[913,926] [2024-12-02 15:11:11,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:11:11,228 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:11:11,236 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-64.i[913,926] [2024-12-02 15:11:11,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:11:11,272 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:11:11,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11 WrapperNode [2024-12-02 15:11:11,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:11:11,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:11:11,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:11:11,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:11:11,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,311 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-12-02 15:11:11,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:11:11,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:11:11,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:11:11,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:11:11,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,324 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,335 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]. [2024-12-02 15:11:11,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,341 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:11:11,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:11:11,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:11:11,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:11:11,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (1/1) ... [2024-12-02 15:11:11,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:11:11,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:11:11,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:11:11,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:11:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:11:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:11:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:11:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:11:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:11:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:11:11,454 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:11:11,456 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:11:11,715 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 15:11:11,715 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:11:11,724 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:11:11,724 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:11:11,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:11:11 BoogieIcfgContainer [2024-12-02 15:11:11,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:11:11,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:11:11,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:11:11,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:11:11,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:11:11" (1/3) ... [2024-12-02 15:11:11,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4dfff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:11:11, skipping insertion in model container [2024-12-02 15:11:11,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:11" (2/3) ... [2024-12-02 15:11:11,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4dfff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:11:11, skipping insertion in model container [2024-12-02 15:11:11,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:11:11" (3/3) ... [2024-12-02 15:11:11,733 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-64.i [2024-12-02 15:11:11,747 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:11:11,748 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-64.i that has 2 procedures, 68 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:11:11,799 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:11:11,811 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;@335cd511, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:11:11,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:11:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 45 states have (on average 1.4) internal successors, (63), 46 states have internal predecessors, (63), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:11:11,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 15:11:11,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:11:11,822 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:11:11,823 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:11:11,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:11:11,826 INFO L85 PathProgramCache]: Analyzing trace with hash 245606244, now seen corresponding path program 1 times [2024-12-02 15:11:11,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:11:11,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223420122] [2024-12-02 15:11:11,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:11:11,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:11:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:11:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 15:11:12,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:11:12,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223420122] [2024-12-02 15:11:12,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223420122] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:11:12,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139401405] [2024-12-02 15:11:12,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:11:12,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:11:12,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:11:12,049 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:11:12,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:11:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:11:12,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:11:12,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:11:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 15:11:12,209 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:11:12,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139401405] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:11:12,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:11:12,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:11:12,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451481288] [2024-12-02 15:11:12,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:11:12,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:11:12,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:11:12,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:11:12,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:11:12,236 INFO L87 Difference]: Start difference. First operand has 68 states, 45 states have (on average 1.4) internal successors, (63), 46 states have internal predecessors, (63), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:11:12,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:11:12,259 INFO L93 Difference]: Finished difference Result 129 states and 220 transitions. [2024-12-02 15:11:12,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:11:12,261 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2024-12-02 15:11:12,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:11:12,265 INFO L225 Difference]: With dead ends: 129 [2024-12-02 15:11:12,265 INFO L226 Difference]: Without dead ends: 64 [2024-12-02 15:11:12,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:11:12,271 INFO L435 NwaCegarLoop]: 96 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, 96 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 [2024-12-02 15:11:12,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:11:12,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-12-02 15:11:12,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-12-02 15:11:12,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:11:12,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 96 transitions. [2024-12-02 15:11:12,305 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 96 transitions. Word has length 128 [2024-12-02 15:11:12,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:11:12,305 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 96 transitions. [2024-12-02 15:11:12,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:11:12,306 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2024-12-02 15:11:12,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 15:11:12,308 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:11:12,308 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:11:12,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:11:12,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:11:12,509 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:11:12,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:11:12,509 INFO L85 PathProgramCache]: Analyzing trace with hash 465464880, now seen corresponding path program 1 times [2024-12-02 15:11:12,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:11:12,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250008848] [2024-12-02 15:11:12,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:11:12,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:11:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:11:13,968 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:11:13,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:11:13,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250008848] [2024-12-02 15:11:13,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250008848] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:11:13,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:11:13,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:11:13,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956217988] [2024-12-02 15:11:13,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:11:13,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:11:13,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:11:13,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:11:13,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:11:13,971 INFO L87 Difference]: Start difference. First operand 64 states and 96 transitions. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:11:15,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:11:15,463 INFO L93 Difference]: Finished difference Result 318 states and 465 transitions. [2024-12-02 15:11:15,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 15:11:15,464 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2024-12-02 15:11:15,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:11:15,467 INFO L225 Difference]: With dead ends: 318 [2024-12-02 15:11:15,467 INFO L226 Difference]: Without dead ends: 257 [2024-12-02 15:11:15,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2024-12-02 15:11:15,469 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 341 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:11:15,469 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 604 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:11:15,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-12-02 15:11:15,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 75. [2024-12-02 15:11:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 53 states have internal predecessors, (73), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:11:15,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2024-12-02 15:11:15,485 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 128 [2024-12-02 15:11:15,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:11:15,486 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2024-12-02 15:11:15,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:11:15,486 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2024-12-02 15:11:15,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 15:11:15,488 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:11:15,488 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:11:15,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:11:15,488 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:11:15,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:11:15,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1166529458, now seen corresponding path program 1 times [2024-12-02 15:11:15,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:11:15,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275639755] [2024-12-02 15:11:15,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:11:15,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:11:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:11:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 15:11:15,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:11:15,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275639755] [2024-12-02 15:11:15,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275639755] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:11:15,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231250720] [2024-12-02 15:11:15,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:11:15,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:11:15,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:11:15,982 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:11:15,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:11:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:11:16,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 15:11:16,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:11:16,832 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 429 proven. 39 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-12-02 15:11:16,832 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:11:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 69 proven. 42 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-12-02 15:11:17,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231250720] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:11:17,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:11:17,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 12] total 27 [2024-12-02 15:11:17,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219801043] [2024-12-02 15:11:17,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:11:17,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 15:11:17,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:11:17,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 15:11:17,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=563, Unknown=0, NotChecked=0, Total=702 [2024-12-02 15:11:17,763 INFO L87 Difference]: Start difference. First operand 75 states and 113 transitions. Second operand has 27 states, 27 states have (on average 3.7777777777777777) internal successors, (102), 27 states have internal predecessors, (102), 8 states have call successors, (60), 4 states have call predecessors, (60), 9 states have return successors, (60), 8 states have call predecessors, (60), 8 states have call successors, (60) [2024-12-02 15:11:19,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:11:19,105 INFO L93 Difference]: Finished difference Result 255 states and 364 transitions. [2024-12-02 15:11:19,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-02 15:11:19,106 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.7777777777777777) internal successors, (102), 27 states have internal predecessors, (102), 8 states have call successors, (60), 4 states have call predecessors, (60), 9 states have return successors, (60), 8 states have call predecessors, (60), 8 states have call successors, (60) Word has length 128 [2024-12-02 15:11:19,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:11:19,108 INFO L225 Difference]: With dead ends: 255 [2024-12-02 15:11:19,108 INFO L226 Difference]: Without dead ends: 183 [2024-12-02 15:11:19,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=599, Invalid=2157, Unknown=0, NotChecked=0, Total=2756 [2024-12-02 15:11:19,111 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 566 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:11:19,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 841 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:11:19,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-12-02 15:11:19,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 131. [2024-12-02 15:11:19,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 83 states have (on average 1.180722891566265) internal successors, (98), 83 states have internal predecessors, (98), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 15:11:19,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 178 transitions. [2024-12-02 15:11:19,151 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 178 transitions. Word has length 128 [2024-12-02 15:11:19,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:11:19,151 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 178 transitions. [2024-12-02 15:11:19,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.7777777777777777) internal successors, (102), 27 states have internal predecessors, (102), 8 states have call successors, (60), 4 states have call predecessors, (60), 9 states have return successors, (60), 8 states have call predecessors, (60), 8 states have call successors, (60) [2024-12-02 15:11:19,152 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 178 transitions. [2024-12-02 15:11:19,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 15:11:19,154 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:11:19,154 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:11:19,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 15:11:19,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:11:19,355 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:11:19,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:11:19,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1286547333, now seen corresponding path program 1 times [2024-12-02 15:11:19,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:11:19,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804624723] [2024-12-02 15:11:19,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:11:19,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:11:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:11:19,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1077666187] [2024-12-02 15:11:19,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:11:19,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:11:19,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:11:19,403 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:11:19,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:11:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:11:19,633 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:11:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:11:19,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:11:19,723 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:11:19,724 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:11:19,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:11:19,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:11:19,927 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 15:11:19,983 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:11:19,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:11:19 BoogieIcfgContainer [2024-12-02 15:11:19,986 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:11:19,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:11:19,986 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:11:19,987 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:11:19,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:11:11" (3/4) ... [2024-12-02 15:11:19,989 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:11:19,989 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:11:19,990 INFO L158 Benchmark]: Toolchain (without parser) took 8926.90ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 116.5MB in the beginning and 224.2MB in the end (delta: -107.6MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-12-02 15:11:19,990 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:11:19,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.56ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 103.2MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:11:19,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.43ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 100.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:11:19,991 INFO L158 Benchmark]: Boogie Preprocessor took 39.60ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 97.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:11:19,991 INFO L158 Benchmark]: RCFGBuilder took 372.70ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 78.3MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:11:19,992 INFO L158 Benchmark]: TraceAbstraction took 8259.52ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 77.7MB in the beginning and 224.2MB in the end (delta: -146.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:11:19,992 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 293.6MB. Free memory was 224.2MB in the beginning and 224.2MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:11:19,993 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.56ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 103.2MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.43ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 100.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.60ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 97.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 372.70ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 78.3MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8259.52ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 77.7MB in the beginning and 224.2MB in the end (delta: -146.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 293.6MB. Free memory was 224.2MB in the beginning and 224.2MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 108. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 0.9; [L23] unsigned long int var_1_2 = 128; [L24] unsigned long int var_1_3 = 2941876006; [L25] unsigned long int var_1_5 = 256; [L26] float var_1_6 = 63.5; [L27] float var_1_7 = -0.151; [L28] float var_1_8 = 0.8; [L29] double var_1_9 = 9.5; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] unsigned char var_1_12 = 0; [L33] signed short int var_1_13 = -2; [L34] unsigned char var_1_16 = 10; [L35] unsigned short int var_1_17 = 8; [L36] unsigned char var_1_18 = 16; [L37] unsigned char last_1_var_1_16 = 10; VAL [isInitial=0, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_2=128, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L112] isInitial = 1 [L113] FCALL initially() [L115] CALL updateLastVariables() [L105] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_2=128, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L115] RET updateLastVariables() [L116] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_ulong() [L73] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L73] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L74] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L74] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L75] var_1_3 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L76] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L77] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L77] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L78] var_1_5 = __VERIFIER_nondet_ulong() [L79] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L79] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L80] CALL assume_abort_if_not(var_1_5 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L80] RET assume_abort_if_not(var_1_5 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L81] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L81] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L82] var_1_6 = __VERIFIER_nondet_float() [L83] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12, var_1_8=4/5, var_1_9=19/2] [L83] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12, var_1_8=4/5, var_1_9=19/2] [L84] var_1_7 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12, var_1_8=4/5, var_1_9=19/2] [L85] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12, var_1_8=4/5, var_1_9=19/2] [L86] var_1_8 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12, var_1_9=19/2] [L87] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12, var_1_9=19/2] [L88] var_1_9 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L89] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L90] var_1_11 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L91] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L92] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L92] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L93] var_1_12 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L94] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L95] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L95] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L96] var_1_17 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L97] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L98] CALL assume_abort_if_not(var_1_17 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L98] RET assume_abort_if_not(var_1_17 <= 65535) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L99] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L99] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_18=16, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L100] var_1_18 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L101] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L102] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_18=0, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_18=0, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L102] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_18=0, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L116] RET updateVariables() [L117] CALL step() [L41] signed long int stepLocal_1 = last_1_var_1_16; [L42] unsigned long int stepLocal_0 = var_1_3; VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=-6442450945, stepLocal_1=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_18=0, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L43] COND TRUE stepLocal_1 <= (var_1_3 - last_1_var_1_16) VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=-6442450945, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_18=0, var_1_1=9/10, var_1_3=-6442450945, var_1_5=12] [L44] COND FALSE !(stepLocal_0 < (((((last_1_var_1_16 / var_1_5)) > (last_1_var_1_16)) ? ((last_1_var_1_16 / var_1_5)) : (last_1_var_1_16)))) [L49] var_1_1 = var_1_9 VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_18=0, var_1_1=2, var_1_3=-6442450945, var_1_5=12, var_1_9=2] [L52] COND TRUE var_1_1 < var_1_1 [L53] var_1_10 = (! (var_1_11 && var_1_12)) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_18=0, var_1_1=2, var_1_3=-6442450945, var_1_5=12, var_1_9=2] [L55] EXPR var_1_2 & (var_1_5 / var_1_17) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=14, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=-6442450945, var_1_5=12, var_1_9=2] [L55] unsigned long int stepLocal_2 = var_1_2 & (var_1_5 / var_1_17); [L56] COND FALSE !(stepLocal_2 > var_1_3) [L63] var_1_16 = var_1_18 VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=14, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=-6442450945, var_1_5=12, var_1_9=2] [L65] COND FALSE !(\read(var_1_10)) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=14, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=-6442450945, var_1_5=12, var_1_9=2] [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR ((((last_1_var_1_16 <= (var_1_3 - last_1_var_1_16)) ? ((var_1_3 < (((((last_1_var_1_16 / var_1_5)) > (last_1_var_1_16)) ? ((last_1_var_1_16 / var_1_5)) : (last_1_var_1_16)))) ? (((var_1_6 + var_1_7) > var_1_8) ? (var_1_1 == ((double) var_1_9)) : 1) : (var_1_1 == ((double) var_1_9))) : 1) && ((var_1_1 < var_1_1) ? (var_1_10 == ((unsigned char) (! (var_1_11 && var_1_12)))) : 1)) && (var_1_10 ? ((var_1_12 || (var_1_1 < (var_1_1 * var_1_1))) ? (var_1_13 == ((signed short int) (var_1_16 + var_1_16))) : 1) : 1)) && (((var_1_2 & (var_1_5 / var_1_17)) > var_1_3) ? ((! var_1_10) ? (var_1_16 == ((unsigned char) var_1_18)) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_18))) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=14, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=-6442450945, var_1_5=12, var_1_9=2] [L108-L109] return ((((last_1_var_1_16 <= (var_1_3 - last_1_var_1_16)) ? ((var_1_3 < (((((last_1_var_1_16 / var_1_5)) > (last_1_var_1_16)) ? ((last_1_var_1_16 / var_1_5)) : (last_1_var_1_16)))) ? (((var_1_6 + var_1_7) > var_1_8) ? (var_1_1 == ((double) var_1_9)) : 1) : (var_1_1 == ((double) var_1_9))) : 1) && ((var_1_1 < var_1_1) ? (var_1_10 == ((unsigned char) (! (var_1_11 && var_1_12)))) : 1)) && (var_1_10 ? ((var_1_12 || (var_1_1 < (var_1_1 * var_1_1))) ? (var_1_13 == ((signed short int) (var_1_16 + var_1_16))) : 1) : 1)) && (((var_1_2 & (var_1_5 / var_1_17)) > var_1_3) ? ((! var_1_10) ? (var_1_16 == ((unsigned char) var_1_18)) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_18))) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=14, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=-6442450945, var_1_5=12, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=14, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=-6442450945, var_1_5=12, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 4, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 918 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 907 mSDsluCounter, 1541 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1246 mSDsCounter, 311 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1214 IncrementalHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 311 mSolverCounterUnsat, 295 mSDtfsCounter, 1214 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 448 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 725 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=3, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 234 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 898 NumberOfCodeBlocks, 898 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 762 ConstructedInterpolants, 0 QuantifiedInterpolants, 3173 SizeOfPredicates, 10 NumberOfNonLiveVariables, 562 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 4390/4560 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 [2024-12-02 15:11:20,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1 --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 9b08b530c256c0cc63e5a2f7b8d2405af05be94e0639ec5a05aeb4fd2eed5431 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:11:21,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:11:21,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:11:21,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:11:21,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:11:22,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:11:22,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:11:22,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:11:22,009 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:11:22,009 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:11:22,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:11:22,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:11:22,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:11:22,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:11:22,010 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:11:22,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:11:22,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:11:22,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:11:22,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:11:22,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:11:22,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:11:22,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:11:22,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:11:22,010 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:11:22,011 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:11:22,011 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:11:22,011 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:11:22,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:11:22,011 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:11:22,011 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:11:22,011 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:11:22,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:11:22,011 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:11:22,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:11:22,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:11:22,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:11:22,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:11:22,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:11:22,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:11:22,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:11:22,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:11:22,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:11:22,012 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:11:22,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:11:22,013 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:11:22,013 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:11:22,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:11:22,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:11:22,013 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:11:22,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:11:22,013 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1 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 -> 9b08b530c256c0cc63e5a2f7b8d2405af05be94e0639ec5a05aeb4fd2eed5431 [2024-12-02 15:11:22,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:11:22,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:11:22,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:11:22,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:11:22,253 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:11:22,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-64.i [2024-12-02 15:11:24,954 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/data/bab12cbdd/b7078c4bfad74d3ab87e4f95f4cdfe41/FLAGa2fb13600 [2024-12-02 15:11:25,126 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:11:25,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-64.i [2024-12-02 15:11:25,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/data/bab12cbdd/b7078c4bfad74d3ab87e4f95f4cdfe41/FLAGa2fb13600 [2024-12-02 15:11:25,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/data/bab12cbdd/b7078c4bfad74d3ab87e4f95f4cdfe41 [2024-12-02 15:11:25,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:11:25,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:11:25,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:11:25,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:11:25,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:11:25,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60bece17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25, skipping insertion in model container [2024-12-02 15:11:25,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,519 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:11:25,634 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-64.i[913,926] [2024-12-02 15:11:25,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:11:25,682 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:11:25,690 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-64.i[913,926] [2024-12-02 15:11:25,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:11:25,720 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:11:25,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25 WrapperNode [2024-12-02 15:11:25,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:11:25,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:11:25,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:11:25,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:11:25,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,757 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-12-02 15:11:25,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:11:25,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:11:25,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:11:25,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:11:25,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,769 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,780 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]. [2024-12-02 15:11:25,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,788 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:11:25,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:11:25,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:11:25,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:11:25,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (1/1) ... [2024-12-02 15:11:25,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:11:25,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:11:25,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:11:25,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:11:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:11:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:11:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:11:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:11:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:11:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:11:25,905 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:11:25,907 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:11:27,400 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 15:11:27,400 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:11:27,406 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:11:27,406 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:11:27,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:11:27 BoogieIcfgContainer [2024-12-02 15:11:27,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:11:27,408 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:11:27,408 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:11:27,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:11:27,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:11:25" (1/3) ... [2024-12-02 15:11:27,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3af7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:11:27, skipping insertion in model container [2024-12-02 15:11:27,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:11:25" (2/3) ... [2024-12-02 15:11:27,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3af7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:11:27, skipping insertion in model container [2024-12-02 15:11:27,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:11:27" (3/3) ... [2024-12-02 15:11:27,413 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-64.i [2024-12-02 15:11:27,422 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:11:27,423 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-64.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:11:27,456 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:11:27,463 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;@7a5c4e17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:11:27,463 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:11:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:11:27,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 15:11:27,472 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:11:27,473 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:11:27,473 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:11:27,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:11:27,476 INFO L85 PathProgramCache]: Analyzing trace with hash -911701312, now seen corresponding path program 1 times [2024-12-02 15:11:27,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:11:27,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9166846] [2024-12-02 15:11:27,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:11:27,484 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 [2024-12-02 15:11:27,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:11:27,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:11:27,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:11:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:11:27,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:11:27,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:11:27,981 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-12-02 15:11:27,981 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:11:27,982 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:11:27,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9166846] [2024-12-02 15:11:27,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [9166846] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:11:27,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:11:27,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:11:27,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092162361] [2024-12-02 15:11:27,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:11:27,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:11:27,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:11:28,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:11:28,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:11:28,002 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:11:28,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:11:28,022 INFO L93 Difference]: Finished difference Result 111 states and 192 transitions. [2024-12-02 15:11:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:11:28,023 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-12-02 15:11:28,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:11:28,029 INFO L225 Difference]: With dead ends: 111 [2024-12-02 15:11:28,029 INFO L226 Difference]: Without dead ends: 55 [2024-12-02 15:11:28,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:11:28,033 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:11:28,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:11:28,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-12-02 15:11:28,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-12-02 15:11:28,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:11:28,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 81 transitions. [2024-12-02 15:11:28,064 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 81 transitions. Word has length 125 [2024-12-02 15:11:28,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:11:28,065 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 81 transitions. [2024-12-02 15:11:28,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:11:28,065 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2024-12-02 15:11:28,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 15:11:28,069 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:11:28,069 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:11:28,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:11:28,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:11:28,269 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:11:28,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:11:28,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1717989682, now seen corresponding path program 1 times [2024-12-02 15:11:28,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:11:28,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403840408] [2024-12-02 15:11:28,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:11:28,271 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 [2024-12-02 15:11:28,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:11:28,273 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:11:28,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:11:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:11:28,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 15:11:28,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:11:47,935 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:11:47,936 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:11:47,936 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:11:47,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403840408] [2024-12-02 15:11:47,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [403840408] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:11:47,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:11:47,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:11:47,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879873870] [2024-12-02 15:11:47,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:11:47,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:11:47,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:11:47,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:11:47,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:11:47,939 INFO L87 Difference]: Start difference. First operand 55 states and 81 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:11:49,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:11:51,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:11:52,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:11:54,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:11:55,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:11:56,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:11:56,590 INFO L93 Difference]: Finished difference Result 179 states and 263 transitions. [2024-12-02 15:11:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:11:56,612 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 125 [2024-12-02 15:11:56,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:11:56,614 INFO L225 Difference]: With dead ends: 179 [2024-12-02 15:11:56,615 INFO L226 Difference]: Without dead ends: 127 [2024-12-02 15:11:56,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:11:56,616 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 69 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:11:56,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 436 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2024-12-02 15:11:56,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-12-02 15:11:56,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 102. [2024-12-02 15:11:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 59 states have internal predecessors, (71), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 15:11:56,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 151 transitions. [2024-12-02 15:11:56,638 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 151 transitions. Word has length 125 [2024-12-02 15:11:56,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:11:56,639 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 151 transitions. [2024-12-02 15:11:56,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:11:56,639 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 151 transitions. [2024-12-02 15:11:56,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 15:11:56,640 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:11:56,641 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:11:56,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:11:56,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:11:56,841 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:11:56,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:11:56,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1482512312, now seen corresponding path program 1 times [2024-12-02 15:11:56,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:11:56,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205288246] [2024-12-02 15:11:56,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:11:56,843 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 [2024-12-02 15:11:56,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:11:56,844 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:11:56,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:11:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:11:57,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:11:57,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:11:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:11:57,857 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:11:57,857 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:11:57,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205288246] [2024-12-02 15:11:57,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205288246] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:11:57,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:11:57,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:11:57,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915003607] [2024-12-02 15:11:57,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:11:57,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:11:57,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:11:57,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:11:57,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:11:57,859 INFO L87 Difference]: Start difference. First operand 102 states and 151 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:11:59,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:11:59,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:11:59,276 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2024-12-02 15:11:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:11:59,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 126 [2024-12-02 15:11:59,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:11:59,300 INFO L225 Difference]: With dead ends: 157 [2024-12-02 15:11:59,300 INFO L226 Difference]: Without dead ends: 101 [2024-12-02 15:11:59,300 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:11:59,300 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 14 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:11:59,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 74 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 15:11:59,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-12-02 15:11:59,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2024-12-02 15:11:59,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 57 states have (on average 1.1228070175438596) internal successors, (64), 57 states have internal predecessors, (64), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 15:11:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 144 transitions. [2024-12-02 15:11:59,315 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 144 transitions. Word has length 126 [2024-12-02 15:11:59,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:11:59,316 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 144 transitions. [2024-12-02 15:11:59,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:11:59,316 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 144 transitions. [2024-12-02 15:11:59,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 15:11:59,317 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:11:59,317 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:11:59,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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)] Ended with exit code 0 [2024-12-02 15:11:59,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:11:59,518 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:11:59,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:11:59,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1447203203, now seen corresponding path program 1 times [2024-12-02 15:11:59,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:11:59,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249277301] [2024-12-02 15:11:59,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:11:59,518 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 [2024-12-02 15:11:59,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:11:59,520 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:11:59,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 (5)] Waiting until timeout for monitored process [2024-12-02 15:11:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:11:59,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 15:11:59,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:12:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-12-02 15:12:17,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:14:10,231 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:14:10,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1249277301] [2024-12-02 15:14:10,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1249277301] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:14:10,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1578083492] [2024-12-02 15:14:10,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:10,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:14:10,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:14:10,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:14:10,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-02 15:14:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:11,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 15:14:11,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:15:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-12-02 15:15:15,194 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:16:51,900 WARN L286 SmtUtils]: Spent 10.89s on a formula simplification. DAG size of input: 127 DAG size of output: 122 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 15:17:31,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1578083492] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:17:31,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:17:31,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2024-12-02 15:17:31,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276549744] [2024-12-02 15:17:31,138 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:17:31,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 15:17:31,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:17:31,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 15:17:31,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=576, Unknown=0, NotChecked=0, Total=702 [2024-12-02 15:17:31,140 INFO L87 Difference]: Start difference. First operand 100 states and 144 transitions. Second operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 4 states have call successors, (40), 4 states have call predecessors, (40), 6 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-12-02 15:17:49,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:17:51,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:17:54,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:17:58,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:58,489 INFO L93 Difference]: Finished difference Result 165 states and 220 transitions. [2024-12-02 15:17:58,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 15:17:58,490 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 4 states have call successors, (40), 4 states have call predecessors, (40), 6 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 126 [2024-12-02 15:17:58,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:58,492 INFO L225 Difference]: With dead ends: 165 [2024-12-02 15:17:58,492 INFO L226 Difference]: Without dead ends: 163 [2024-12-02 15:17:58,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 81.9s TimeCoverageRelationStatistics Valid=348, Invalid=1292, Unknown=0, NotChecked=0, Total=1640 [2024-12-02 15:17:58,493 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 171 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:58,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 408 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2024-12-02 15:17:58,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-12-02 15:17:58,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 138. [2024-12-02 15:17:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 82 states have (on average 1.0975609756097562) internal successors, (90), 83 states have internal predecessors, (90), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 15:17:58,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 190 transitions. [2024-12-02 15:17:58,519 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 190 transitions. Word has length 126 [2024-12-02 15:17:58,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:58,520 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 190 transitions. [2024-12-02 15:17:58,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 4 states have call successors, (40), 4 states have call predecessors, (40), 6 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-12-02 15:17:58,520 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 190 transitions. [2024-12-02 15:17:58,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 15:17:58,522 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:58,522 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:58,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 (5)] Forceful destruction successful, exit code 0 [2024-12-02 15:17:58,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-02 15:17:58,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 15:17:58,923 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:58,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:58,923 INFO L85 PathProgramCache]: Analyzing trace with hash -835619767, now seen corresponding path program 1 times [2024-12-02 15:17:58,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:17:58,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167009456] [2024-12-02 15:17:58,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:58,923 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 [2024-12-02 15:17:58,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:17:58,925 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:17:58,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 (7)] Waiting until timeout for monitored process [2024-12-02 15:17:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:59,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:17:59,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:18:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 340 proven. 87 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-12-02 15:18:00,578 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:18:03,974 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:18:03,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167009456] [2024-12-02 15:18:03,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167009456] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:18:03,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1091796939] [2024-12-02 15:18:03,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:03,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:18:03,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:18:03,976 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:18:03,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-02 15:18:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:04,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 15:18:04,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:18:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:18:29,611 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:18:29,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1091796939] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:29,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:18:29,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2024-12-02 15:18:29,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174312179] [2024-12-02 15:18:29,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:29,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:18:29,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:18:29,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:18:29,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:18:29,612 INFO L87 Difference]: Start difference. First operand 138 states and 190 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:18:42,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:42,482 INFO L93 Difference]: Finished difference Result 161 states and 215 transitions. [2024-12-02 15:18:42,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:18:42,482 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127 [2024-12-02 15:18:42,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:42,485 INFO L225 Difference]: With dead ends: 161 [2024-12-02 15:18:42,485 INFO L226 Difference]: Without dead ends: 159 [2024-12-02 15:18:42,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:18:42,486 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 28 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:42,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 424 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-12-02 15:18:42,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-12-02 15:18:42,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 138. [2024-12-02 15:18:42,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 82 states have (on average 1.0975609756097562) internal successors, (90), 83 states have internal predecessors, (90), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 15:18:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 190 transitions. [2024-12-02 15:18:42,506 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 190 transitions. Word has length 127 [2024-12-02 15:18:42,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:42,506 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 190 transitions. [2024-12-02 15:18:42,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:18:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 190 transitions. [2024-12-02 15:18:42,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-12-02 15:18:42,509 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:42,509 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:42,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 (7)] Ended with exit code 0 [2024-12-02 15:18:42,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-02 15:18:42,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 15:18:42,910 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:42,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:42,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1481008156, now seen corresponding path program 1 times [2024-12-02 15:18:42,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:18:42,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914097523] [2024-12-02 15:18:42,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:42,911 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 [2024-12-02 15:18:42,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:18:42,913 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:18:42,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 (9)] Waiting until timeout for monitored process [2024-12-02 15:18:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:43,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 15:18:43,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:18:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3161 backedges. 1793 proven. 51 refuted. 0 times theorem prover too weak. 1317 trivial. 0 not checked. [2024-12-02 15:18:44,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:18:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3161 backedges. 40 proven. 111 refuted. 0 times theorem prover too weak. 3010 trivial. 0 not checked. [2024-12-02 15:18:45,814 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:18:45,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914097523] [2024-12-02 15:18:45,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914097523] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:18:45,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:18:45,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-12-02 15:18:45,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512372322] [2024-12-02 15:18:45,814 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:18:45,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:18:45,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:18:45,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:18:45,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:18:45,817 INFO L87 Difference]: Start difference. First operand 138 states and 190 transitions. Second operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 5 states have call successors, (80), 4 states have call predecessors, (80), 6 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) [2024-12-02 15:18:49,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:18:49,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:49,873 INFO L93 Difference]: Finished difference Result 269 states and 358 transitions. [2024-12-02 15:18:49,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:18:49,874 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 5 states have call successors, (80), 4 states have call predecessors, (80), 6 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) Word has length 247 [2024-12-02 15:18:49,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:49,875 INFO L225 Difference]: With dead ends: 269 [2024-12-02 15:18:49,875 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 15:18:49,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:18:49,877 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 124 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:49,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 246 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-12-02 15:18:49,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 15:18:49,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 15:18:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:18:49,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 15:18:49,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2024-12-02 15:18:49,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:49,878 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 15:18:49,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 5 states have call successors, (80), 4 states have call predecessors, (80), 6 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) [2024-12-02 15:18:49,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 15:18:49,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 15:18:49,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:18:49,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 (9)] Ended with exit code 0 [2024-12-02 15:18:50,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:18:50,083 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 15:18:50,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 15:18:56,833 WARN L286 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 104 DAG size of output: 33 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:19:10,260 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:19:10,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 15:19:10,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 15:19:10,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 15:19:10,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 15:19:10,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 15:19:10,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 15:19:10,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:19:10 BoogieIcfgContainer [2024-12-02 15:19:10,273 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:19:10,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:19:10,273 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:19:10,273 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:19:10,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:11:27" (3/4) ... [2024-12-02 15:19:10,275 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 15:19:10,280 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 15:19:10,285 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-02 15:19:10,285 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 15:19:10,285 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 15:19:10,286 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 15:19:10,365 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 15:19:10,366 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 15:19:10,366 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:19:10,367 INFO L158 Benchmark]: Toolchain (without parser) took 464864.67ms. Allocated memory was 92.3MB in the beginning and 780.1MB in the end (delta: 687.9MB). Free memory was 69.5MB in the beginning and 672.7MB in the end (delta: -603.1MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2024-12-02 15:19:10,367 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:19:10,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.15ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 55.9MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:19:10,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.66ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 54.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:19:10,368 INFO L158 Benchmark]: Boogie Preprocessor took 41.14ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 51.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:19:10,368 INFO L158 Benchmark]: RCFGBuilder took 1607.69ms. Allocated memory is still 92.3MB. Free memory was 51.8MB in the beginning and 66.0MB in the end (delta: -14.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-02 15:19:10,368 INFO L158 Benchmark]: TraceAbstraction took 462864.96ms. Allocated memory was 92.3MB in the beginning and 780.1MB in the end (delta: 687.9MB). Free memory was 65.7MB in the beginning and 681.0MB in the end (delta: -615.3MB). Peak memory consumption was 461.7MB. Max. memory is 16.1GB. [2024-12-02 15:19:10,369 INFO L158 Benchmark]: Witness Printer took 92.70ms. Allocated memory is still 780.1MB. Free memory was 681.0MB in the beginning and 672.7MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:19:10,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.15ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 55.9MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.66ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 54.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.14ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 51.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1607.69ms. Allocated memory is still 92.3MB. Free memory was 51.8MB in the beginning and 66.0MB in the end (delta: -14.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * TraceAbstraction took 462864.96ms. Allocated memory was 92.3MB in the beginning and 780.1MB in the end (delta: 687.9MB). Free memory was 65.7MB in the beginning and 681.0MB in the end (delta: -615.3MB). Peak memory consumption was 461.7MB. Max. memory is 16.1GB. * Witness Printer took 92.70ms. Allocated memory is still 780.1MB. Free memory was 681.0MB in the beginning and 672.7MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 442.6s, OverallIterations: 6, TraceHistogramMax: 40, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 54.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 426 SdHoareTripleChecker+Valid, 35.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 406 mSDsluCounter, 1669 SdHoareTripleChecker+Invalid, 34.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1253 mSDsCounter, 189 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1491 IncrementalHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 189 mSolverCounterUnsat, 416 mSDtfsCounter, 1491 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1436 GetRequests, 1345 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 100.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=4, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 72 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 382.5s InterpolantComputationTime, 1129 NumberOfCodeBlocks, 1129 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1367 ConstructedInterpolants, 0 QuantifiedInterpolants, 7638 SizeOfPredicates, 71 NumberOfNonLiveVariables, 1760 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 11339/11642 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: ((0 == var_1_10) && (last_1_var_1_16 <= ((var_1_3 + -last_1_var_1_16) % 4294967296))) RESULT: Ultimate proved your program to be correct! [2024-12-02 15:19:10,578 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-12-02 15:19:10,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9907d5c8-a55b-43cb-af01-5c72c433733a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE