./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC --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 b07a4b583601a48b942e5bdbd136c020a0a60c7f6ea7655680550275607bd971 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:22:36,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:22:36,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:22:36,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:22:36,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:22:36,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:22:36,663 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:22:36,663 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:22:36,663 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:22:36,663 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:22:36,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:22:36,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:22:36,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:22:36,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:22:36,665 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:22:36,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:22:36,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:22:36,666 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:22:36,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:22:36,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:22:36,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:22:36,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:22:36,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:22:36,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:22:36,667 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:22:36,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:22:36,667 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:22:36,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:22:36,668 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:22:36,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:22:36,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:22:36,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:22:36,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:22:36,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:22:36,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:22:36,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:22:36,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:22:36,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:22:36,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:22:36,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:22:36,670 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:22:36,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:22:36,670 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:22:36,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:22:36,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:22:36,671 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:22:36,671 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:22:36,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:22:36,671 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_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC 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 -> b07a4b583601a48b942e5bdbd136c020a0a60c7f6ea7655680550275607bd971 [2024-11-24 01:22:36,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:22:37,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:22:37,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:22:37,015 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:22:37,015 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:22:37,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i [2024-11-24 01:22:40,396 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/data/01fe756e8/4b5496facc6a4a79a7775f02f2ae6831/FLAG91e1059b2 [2024-11-24 01:22:40,798 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:22:40,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i [2024-11-24 01:22:40,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/data/01fe756e8/4b5496facc6a4a79a7775f02f2ae6831/FLAG91e1059b2 [2024-11-24 01:22:40,850 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/data/01fe756e8/4b5496facc6a4a79a7775f02f2ae6831 [2024-11-24 01:22:40,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:22:40,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:22:40,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:22:40,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:22:40,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:22:40,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:22:40" (1/1) ... [2024-11-24 01:22:40,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e02a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:40, skipping insertion in model container [2024-11-24 01:22:40,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:22:40" (1/1) ... [2024-11-24 01:22:40,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:22:41,135 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_4f11ecfd-45db-4e12-a908-c6442ebf2536/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i[919,932] [2024-11-24 01:22:41,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:22:41,288 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:22:41,305 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_4f11ecfd-45db-4e12-a908-c6442ebf2536/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i[919,932] [2024-11-24 01:22:41,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:22:41,409 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:22:41,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41 WrapperNode [2024-11-24 01:22:41,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:22:41,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:22:41,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:22:41,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:22:41,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (1/1) ... [2024-11-24 01:22:41,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (1/1) ... [2024-11-24 01:22:41,523 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 169 [2024-11-24 01:22:41,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:22:41,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:22:41,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:22:41,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:22:41,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (1/1) ... [2024-11-24 01:22:41,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (1/1) ... [2024-11-24 01:22:41,549 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (1/1) ... [2024-11-24 01:22:41,591 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]. [2024-11-24 01:22:41,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (1/1) ... [2024-11-24 01:22:41,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (1/1) ... [2024-11-24 01:22:41,610 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (1/1) ... [2024-11-24 01:22:41,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (1/1) ... [2024-11-24 01:22:41,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (1/1) ... [2024-11-24 01:22:41,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (1/1) ... [2024-11-24 01:22:41,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (1/1) ... [2024-11-24 01:22:41,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:22:41,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:22:41,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:22:41,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:22:41,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (1/1) ... [2024-11-24 01:22:41,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:22:41,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:22:41,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:22:41,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:22:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:22:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:22:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:22:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:22:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:22:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:22:41,870 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:22:41,874 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:22:42,492 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 01:22:42,492 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:22:42,513 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:22:42,513 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:22:42,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:22:42 BoogieIcfgContainer [2024-11-24 01:22:42,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:22:42,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:22:42,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:22:42,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:22:42,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:22:40" (1/3) ... [2024-11-24 01:22:42,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d4c3206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:22:42, skipping insertion in model container [2024-11-24 01:22:42,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:22:41" (2/3) ... [2024-11-24 01:22:42,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d4c3206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:22:42, skipping insertion in model container [2024-11-24 01:22:42,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:22:42" (3/3) ... [2024-11-24 01:22:42,526 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i [2024-11-24 01:22:42,549 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:22:42,552 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i that has 2 procedures, 70 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:22:42,645 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:22:42,704 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;@7d775a8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:22:42,704 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:22:42,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 53 states have internal predecessors, (79), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:22:42,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-24 01:22:42,724 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:22:42,726 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:22:42,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:22:42,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:22:42,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1738624452, now seen corresponding path program 1 times [2024-11-24 01:22:42,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:22:42,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652878373] [2024-11-24 01:22:42,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:22:42,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:22:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:22:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-24 01:22:43,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:22:43,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652878373] [2024-11-24 01:22:43,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652878373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:22:43,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186893938] [2024-11-24 01:22:43,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:22:43,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:22:43,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:22:43,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:22:43,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:22:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:22:43,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:22:43,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:22:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-24 01:22:43,512 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:22:43,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186893938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:22:43,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:22:43,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:22:43,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396457863] [2024-11-24 01:22:43,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:22:43,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:22:43,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:22:43,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:22:43,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:22:43,555 INFO L87 Difference]: Start difference. First operand has 70 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 53 states have internal predecessors, (79), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:22:43,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:22:43,601 INFO L93 Difference]: Finished difference Result 133 states and 227 transitions. [2024-11-24 01:22:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:22:43,604 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 108 [2024-11-24 01:22:43,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:22:43,614 INFO L225 Difference]: With dead ends: 133 [2024-11-24 01:22:43,615 INFO L226 Difference]: Without dead ends: 66 [2024-11-24 01:22:43,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:22:43,626 INFO L435 NwaCegarLoop]: 101 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, 101 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 [2024-11-24 01:22:43,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:22:43,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-24 01:22:43,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-24 01:22:43,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 49 states have internal predecessors, (71), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:22:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 101 transitions. [2024-11-24 01:22:43,697 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 101 transitions. Word has length 108 [2024-11-24 01:22:43,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:22:43,699 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 101 transitions. [2024-11-24 01:22:43,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:22:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 101 transitions. [2024-11-24 01:22:43,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-24 01:22:43,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:22:43,707 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:22:43,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:22:43,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:22:43,912 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:22:43,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:22:43,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1952835766, now seen corresponding path program 1 times [2024-11-24 01:22:43,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:22:43,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88283297] [2024-11-24 01:22:43,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:22:43,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:22:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:22:46,056 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:22:46,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:22:46,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88283297] [2024-11-24 01:22:46,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88283297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:22:46,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:22:46,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:22:46,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298025066] [2024-11-24 01:22:46,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:22:46,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:22:46,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:22:46,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:22:46,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:22:46,080 INFO L87 Difference]: Start difference. First operand 66 states and 101 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:22:46,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:22:46,315 INFO L93 Difference]: Finished difference Result 177 states and 276 transitions. [2024-11-24 01:22:46,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:22:46,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 108 [2024-11-24 01:22:46,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:22:46,319 INFO L225 Difference]: With dead ends: 177 [2024-11-24 01:22:46,319 INFO L226 Difference]: Without dead ends: 114 [2024-11-24 01:22:46,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:22:46,321 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 48 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:22:46,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 150 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:22:46,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-24 01:22:46,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 97. [2024-11-24 01:22:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 64 states have (on average 1.34375) internal successors, (86), 64 states have internal predecessors, (86), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:22:46,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 146 transitions. [2024-11-24 01:22:46,381 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 146 transitions. Word has length 108 [2024-11-24 01:22:46,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:22:46,382 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 146 transitions. [2024-11-24 01:22:46,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:22:46,382 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 146 transitions. [2024-11-24 01:22:46,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-24 01:22:46,384 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:22:46,384 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:22:46,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:22:46,384 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:22:46,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:22:46,389 INFO L85 PathProgramCache]: Analyzing trace with hash 653187788, now seen corresponding path program 1 times [2024-11-24 01:22:46,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:22:46,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284728376] [2024-11-24 01:22:46,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:22:46,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:22:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:22:46,937 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:22:46,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:22:46,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284728376] [2024-11-24 01:22:46,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284728376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:22:46,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:22:46,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:22:46,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340198715] [2024-11-24 01:22:46,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:22:46,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:22:46,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:22:46,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:22:46,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:22:46,946 INFO L87 Difference]: Start difference. First operand 97 states and 146 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:22:47,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:22:47,197 INFO L93 Difference]: Finished difference Result 271 states and 402 transitions. [2024-11-24 01:22:47,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:22:47,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 108 [2024-11-24 01:22:47,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:22:47,203 INFO L225 Difference]: With dead ends: 271 [2024-11-24 01:22:47,206 INFO L226 Difference]: Without dead ends: 208 [2024-11-24 01:22:47,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:22:47,208 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 155 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:22:47,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 307 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:22:47,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-24 01:22:47,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 200. [2024-11-24 01:22:47,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 143 states have (on average 1.3426573426573427) internal successors, (192), 145 states have internal predecessors, (192), 51 states have call successors, (51), 5 states have call predecessors, (51), 5 states have return successors, (51), 49 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-24 01:22:47,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 294 transitions. [2024-11-24 01:22:47,282 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 294 transitions. Word has length 108 [2024-11-24 01:22:47,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:22:47,283 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 294 transitions. [2024-11-24 01:22:47,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:22:47,283 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 294 transitions. [2024-11-24 01:22:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-24 01:22:47,287 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:22:47,287 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:22:47,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:22:47,288 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:22:47,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:22:47,289 INFO L85 PathProgramCache]: Analyzing trace with hash 710446090, now seen corresponding path program 1 times [2024-11-24 01:22:47,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:22:47,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494451683] [2024-11-24 01:22:47,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:22:47,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:22:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:22:47,845 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-24 01:22:47,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:22:47,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494451683] [2024-11-24 01:22:47,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494451683] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:22:47,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747906826] [2024-11-24 01:22:47,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:22:47,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:22:47,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:22:47,848 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:22:47,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:22:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:22:48,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:22:48,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:22:48,354 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 152 proven. 33 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-24 01:22:48,354 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:22:48,654 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-24 01:22:48,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747906826] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:22:48,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:22:48,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-24 01:22:48,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99365033] [2024-11-24 01:22:48,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:22:48,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:22:48,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:22:48,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:22:48,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:22:48,658 INFO L87 Difference]: Start difference. First operand 200 states and 294 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-24 01:22:48,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:22:48,956 INFO L93 Difference]: Finished difference Result 334 states and 488 transitions. [2024-11-24 01:22:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:22:48,957 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 108 [2024-11-24 01:22:48,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:22:48,960 INFO L225 Difference]: With dead ends: 334 [2024-11-24 01:22:48,960 INFO L226 Difference]: Without dead ends: 168 [2024-11-24 01:22:48,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 213 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:22:48,962 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 160 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:22:48,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 188 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:22:48,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-24 01:22:49,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 162. [2024-11-24 01:22:49,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 110 states have (on average 1.290909090909091) internal successors, (142), 110 states have internal predecessors, (142), 45 states have call successors, (45), 6 states have call predecessors, (45), 6 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-24 01:22:49,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 232 transitions. [2024-11-24 01:22:49,007 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 232 transitions. Word has length 108 [2024-11-24 01:22:49,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:22:49,008 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 232 transitions. [2024-11-24 01:22:49,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-24 01:22:49,008 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 232 transitions. [2024-11-24 01:22:49,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 01:22:49,010 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:22:49,010 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:22:49,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:22:49,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:22:49,211 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:22:49,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:22:49,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1919286144, now seen corresponding path program 1 times [2024-11-24 01:22:49,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:22:49,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775013193] [2024-11-24 01:22:49,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:22:49,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:22:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:22:49,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2113916752] [2024-11-24 01:22:49,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:22:49,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:22:49,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:22:49,416 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:22:49,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:22:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:22:51,271 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:22:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:22:51,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:22:51,498 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:22:51,500 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:22:51,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:22:51,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:22:51,707 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-24 01:22:51,878 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:22:51,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:22:51 BoogieIcfgContainer [2024-11-24 01:22:51,883 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:22:51,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:22:51,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:22:51,884 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:22:51,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:22:42" (3/4) ... [2024-11-24 01:22:51,892 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:22:51,893 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:22:51,894 INFO L158 Benchmark]: Toolchain (without parser) took 11036.96ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 84.4MB in the beginning and 119.8MB in the end (delta: -35.4MB). Peak memory consumption was 152.5MB. Max. memory is 16.1GB. [2024-11-24 01:22:51,898 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:22:51,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.81ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 69.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:22:51,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.73ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 65.1MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:22:51,899 INFO L158 Benchmark]: Boogie Preprocessor took 111.18ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 59.6MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:22:51,899 INFO L158 Benchmark]: RCFGBuilder took 873.73ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 34.7MB in the end (delta: 24.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:22:51,900 INFO L158 Benchmark]: TraceAbstraction took 9366.44ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 34.4MB in the beginning and 119.8MB in the end (delta: -85.5MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. [2024-11-24 01:22:51,900 INFO L158 Benchmark]: Witness Printer took 9.08ms. Allocated memory is still 302.0MB. Free memory was 119.8MB in the beginning and 119.8MB in the end (delta: 60.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:22:51,902 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.81ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 69.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.73ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 65.1MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 111.18ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 59.6MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 873.73ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 34.7MB in the end (delta: 24.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9366.44ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 34.4MB in the beginning and 119.8MB in the end (delta: -85.5MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. * Witness Printer took 9.08ms. Allocated memory is still 302.0MB. Free memory was 119.8MB in the beginning and 119.8MB in the end (delta: 60.0kB). Peak memory consumption was 8.4MB. 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 someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 157, overapproximation of someBinaryDOUBLEComparisonOperation at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.05; [L23] double var_1_6 = 0.0; [L24] double var_1_7 = 49.5; [L25] double var_1_8 = 16.75; [L26] unsigned short int var_1_9 = 1; [L27] unsigned long int var_1_11 = 8; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 1; [L30] unsigned char var_1_14 = 32; [L31] unsigned char var_1_15 = 50; [L32] unsigned char var_1_16 = 8; [L33] unsigned char var_1_17 = 32; [L34] unsigned long int var_1_18 = 2; [L35] unsigned long int var_1_19 = 3876014737; [L36] unsigned char var_1_20 = 0; [L37] unsigned short int var_1_21 = 25; [L38] unsigned char var_1_27 = 1; [L39] unsigned char var_1_31 = 1; [L40] unsigned long int var_1_33 = 2; [L41] unsigned short int var_1_34 = 0; [L42] signed short int var_1_35 = -10; [L43] unsigned char var_1_40 = 2; [L44] unsigned short int var_1_42 = 8; [L45] unsigned long int var_1_44 = 1249494912; [L46] double last_1_var_1_1 = 5.05; [L47] unsigned short int last_1_var_1_9 = 1; [L48] unsigned long int last_1_var_1_11 = 8; [L49] unsigned char last_1_var_1_14 = 32; [L50] unsigned char last_1_var_1_20 = 0; VAL [isInitial=0, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L161] isInitial = 1 [L162] FCALL initially() [L164] CALL updateLastVariables() [L150] last_1_var_1_1 = var_1_1 [L151] last_1_var_1_9 = var_1_9 [L152] last_1_var_1_11 = var_1_11 [L153] last_1_var_1_14 = var_1_14 [L154] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L164] RET updateLastVariables() [L165] CALL updateVariables() [L124] var_1_6 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L125] RET assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L126] var_1_7 = __VERIFIER_nondet_double() [L127] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_8=67/4, var_1_9=1] [L127] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_8=67/4, var_1_9=1] [L128] var_1_8 = __VERIFIER_nondet_double() [L129] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L129] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L130] var_1_13 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L131] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L132] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L132] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L133] var_1_15 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L134] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L135] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L135] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L136] var_1_16 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L137] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L138] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L138] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L139] var_1_17 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L140] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L141] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L142] var_1_19 = __VERIFIER_nondet_ulong() [L143] CALL assume_abort_if_not(var_1_19 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L143] RET assume_abort_if_not(var_1_19 >= 3221225470) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L144] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_9=1] [L145] var_1_44 = __VERIFIER_nondet_ulong() [L146] CALL assume_abort_if_not(var_1_44 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L146] RET assume_abort_if_not(var_1_44 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L147] CALL assume_abort_if_not(var_1_44 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L147] RET assume_abort_if_not(var_1_44 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L165] RET updateVariables() [L166] CALL step() [L54] COND FALSE !(((((var_1_9) < (var_1_14)) ? (var_1_9) : (var_1_14))) > var_1_18) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L57] COND FALSE !((var_1_15 <= var_1_9) && var_1_20) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L68] COND TRUE var_1_17 > (- var_1_17) [L69] var_1_31 = (var_1_13 && var_1_13) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L71] var_1_33 = var_1_15 [L72] var_1_34 = (var_1_14 + 4) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L73] COND TRUE ((var_1_7 - var_1_6) + var_1_6) == var_1_8 [L74] var_1_35 = var_1_14 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L76] COND TRUE var_1_18 >= (~ var_1_19) [L77] var_1_40 = var_1_16 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L79] COND TRUE \read(var_1_13) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L80] COND FALSE !(var_1_19 < 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=2, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L90] COND TRUE \read(var_1_13) [L91] var_1_18 = ((var_1_19 - last_1_var_1_9) - last_1_var_1_11) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=4294967284, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L95] COND FALSE !(var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=4294967284, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L104] COND TRUE (8 - 64) <= (var_1_9 - var_1_9) [L105] var_1_14 = (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=4294967284, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L109] signed long int stepLocal_0 = - ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))); VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=4294967284, var_1_19=4294967293, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_9=1] [L110] COND FALSE !(var_1_18 >= stepLocal_0) [L113] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=4294967284, var_1_19=4294967293, var_1_1=2, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L115] COND TRUE (var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14))) [L116] var_1_20 = var_1_13 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=4294967284, var_1_19=4294967293, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L118] COND TRUE \read(var_1_20) [L119] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=4294967284, var_1_19=4294967293, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L121] var_1_11 = (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u)) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=4294967284, var_1_19=4294967293, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L166] RET step() [L167] CALL, EXPR property() [L157-L158] return (((((((var_1_18 >= (- ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))))) ? (var_1_1 == ((double) (((var_1_6 - var_1_7) - ((((64.75) > (128.725)) ? (64.75) : (128.725)))) + var_1_8))) : (var_1_1 == ((double) var_1_7))) && ((var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) ? ((! ((last_1_var_1_1 == var_1_7) && (last_1_var_1_20 || last_1_var_1_20))) ? ((! (var_1_6 <= var_1_7)) ? (var_1_9 == ((unsigned short int) ((((last_1_var_1_14) < (last_1_var_1_14)) ? (last_1_var_1_14) : (last_1_var_1_14))))) : 1) : (var_1_9 == ((unsigned short int) last_1_var_1_14))) : 1)) && (var_1_11 == ((unsigned long int) (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u))))) && (var_1_20 ? (var_1_12 == ((unsigned char) var_1_13)) : 1)) && (((8 - 64) <= (var_1_9 - var_1_9)) ? (var_1_14 == ((unsigned char) (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))))) : (var_1_14 == ((unsigned char) var_1_17)))) && (var_1_13 ? (var_1_18 == ((unsigned long int) ((var_1_19 - last_1_var_1_9) - last_1_var_1_11))) : (var_1_18 == ((unsigned long int) (((((var_1_19 - var_1_17)) > (var_1_15)) ? ((var_1_19 - var_1_17)) : (var_1_15))))))) && (((var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14)))) ? (var_1_20 == ((unsigned char) var_1_13)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=4294967284, var_1_19=4294967293, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L167] RET, EXPR property() [L167] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=4294967284, var_1_19=4294967293, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=4294967284, var_1_19=4294967293, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=0, var_1_34=36, var_1_35=32, var_1_40=-255, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 5, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 363 mSDsluCounter, 746 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 380 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 192 IncrementalHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 366 mSDtfsCounter, 192 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 345 GetRequests, 332 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 31 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 866 NumberOfCodeBlocks, 866 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 749 ConstructedInterpolants, 0 QuantifiedInterpolants, 2128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 583 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 2813/2940 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 [2024-11-24 01:22:51,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC --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 b07a4b583601a48b942e5bdbd136c020a0a60c7f6ea7655680550275607bd971 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:22:55,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:22:55,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:22:55,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:22:55,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:22:55,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:22:55,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:22:55,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:22:55,575 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:22:55,576 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:22:55,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:22:55,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:22:55,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:22:55,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:22:55,579 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:22:55,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:22:55,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:22:55,580 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:22:55,580 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:22:55,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:22:55,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:22:55,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:22:55,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:22:55,581 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:22:55,581 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:22:55,581 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:22:55,581 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:22:55,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:22:55,581 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:22:55,581 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:22:55,583 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:22:55,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:22:55,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:22:55,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:22:55,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:22:55,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:22:55,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:22:55,584 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:22:55,584 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:22:55,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:22:55,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:22:55,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:22:55,586 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:22:55,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:22:55,586 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:22:55,586 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:22:55,586 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:22:55,586 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:22:55,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:22:55,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:22:55,587 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_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC 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 -> b07a4b583601a48b942e5bdbd136c020a0a60c7f6ea7655680550275607bd971 [2024-11-24 01:22:55,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:22:56,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:22:56,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:22:56,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:22:56,010 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:22:56,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i [2024-11-24 01:22:59,696 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/data/55a35d57f/10d3d5c224924f3bac25a0df68c05acc/FLAGef7d1f5bd [2024-11-24 01:22:59,982 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:22:59,982 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i [2024-11-24 01:22:59,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/data/55a35d57f/10d3d5c224924f3bac25a0df68c05acc/FLAGef7d1f5bd [2024-11-24 01:23:00,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/data/55a35d57f/10d3d5c224924f3bac25a0df68c05acc [2024-11-24 01:23:00,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:23:00,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:23:00,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:23:00,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:23:00,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:23:00,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0a8c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00, skipping insertion in model container [2024-11-24 01:23:00,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:23:00,274 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_4f11ecfd-45db-4e12-a908-c6442ebf2536/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i[919,932] [2024-11-24 01:23:00,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:23:00,386 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:23:00,399 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_4f11ecfd-45db-4e12-a908-c6442ebf2536/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i[919,932] [2024-11-24 01:23:00,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:23:00,469 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:23:00,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00 WrapperNode [2024-11-24 01:23:00,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:23:00,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:23:00,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:23:00,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:23:00,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,531 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2024-11-24 01:23:00,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:23:00,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:23:00,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:23:00,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:23:00,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,581 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]. [2024-11-24 01:23:00,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,608 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:23:00,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:23:00,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:23:00,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:23:00,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (1/1) ... [2024-11-24 01:23:00,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:23:00,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:23:00,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:23:00,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:23:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:23:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:23:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:23:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:23:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:23:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:23:00,891 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:23:00,894 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:23:10,773 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 01:23:10,773 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:23:10,787 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:23:10,787 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:23:10,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:23:10 BoogieIcfgContainer [2024-11-24 01:23:10,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:23:10,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:23:10,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:23:10,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:23:10,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:23:00" (1/3) ... [2024-11-24 01:23:10,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc4fa6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:23:10, skipping insertion in model container [2024-11-24 01:23:10,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:00" (2/3) ... [2024-11-24 01:23:10,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc4fa6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:23:10, skipping insertion in model container [2024-11-24 01:23:10,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:23:10" (3/3) ... [2024-11-24 01:23:10,801 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i [2024-11-24 01:23:10,823 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:23:10,828 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-70.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:23:10,911 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:23:10,930 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;@43802090, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:23:10,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:23:10,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:23:10,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-24 01:23:10,946 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:23:10,946 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:23:10,947 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:23:10,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:23:10,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1794887300, now seen corresponding path program 1 times [2024-11-24 01:23:10,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:23:10,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271384427] [2024-11-24 01:23:10,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:23:10,967 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 [2024-11-24 01:23:10,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:23:10,970 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:23:10,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:23:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:23:11,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:23:11,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:23:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-24 01:23:11,862 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:23:11,863 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:23:11,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271384427] [2024-11-24 01:23:11,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271384427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:23:11,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:23:11,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:23:11,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822333606] [2024-11-24 01:23:11,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:23:11,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:23:11,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:23:11,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:23:11,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:23:11,907 INFO L87 Difference]: Start difference. First operand has 64 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:23:11,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:23:11,952 INFO L93 Difference]: Finished difference Result 121 states and 207 transitions. [2024-11-24 01:23:11,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:23:11,956 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 108 [2024-11-24 01:23:11,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:23:11,967 INFO L225 Difference]: With dead ends: 121 [2024-11-24 01:23:11,968 INFO L226 Difference]: Without dead ends: 60 [2024-11-24 01:23:11,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:23:11,978 INFO L435 NwaCegarLoop]: 90 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, 90 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 [2024-11-24 01:23:11,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:23:12,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-24 01:23:12,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-24 01:23:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 43 states have internal predecessors, (60), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 01:23:12,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 90 transitions. [2024-11-24 01:23:12,054 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 90 transitions. Word has length 108 [2024-11-24 01:23:12,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:23:12,054 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 90 transitions. [2024-11-24 01:23:12,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:23:12,055 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2024-11-24 01:23:12,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-24 01:23:12,061 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:23:12,061 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:23:12,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:23:12,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:23:12,263 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:23:12,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:23:12,265 INFO L85 PathProgramCache]: Analyzing trace with hash -798353212, now seen corresponding path program 1 times [2024-11-24 01:23:12,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:23:12,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250660356] [2024-11-24 01:23:12,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:23:12,268 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 [2024-11-24 01:23:12,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:23:12,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:23:12,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:23:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:23:12,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:23:12,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:23:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:23:16,055 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:23:16,055 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:23:16,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250660356] [2024-11-24 01:23:16,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250660356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:23:16,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:23:16,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:23:16,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84679249] [2024-11-24 01:23:16,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:23:16,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:23:16,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:23:16,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:23:16,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:23:16,059 INFO L87 Difference]: Start difference. First operand 60 states and 90 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:23:17,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:23:20,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:23:24,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:23:25,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:23:25,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:23:25,911 INFO L93 Difference]: Finished difference Result 159 states and 243 transitions. [2024-11-24 01:23:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:23:25,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 108 [2024-11-24 01:23:25,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:23:25,915 INFO L225 Difference]: With dead ends: 159 [2024-11-24 01:23:25,915 INFO L226 Difference]: Without dead ends: 102 [2024-11-24 01:23:25,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:23:25,917 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 19 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:23:25,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 136 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2024-11-24 01:23:25,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-24 01:23:25,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 91. [2024-11-24 01:23:25,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 58 states have (on average 1.293103448275862) internal successors, (75), 58 states have internal predecessors, (75), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:23:25,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 135 transitions. [2024-11-24 01:23:25,944 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 135 transitions. Word has length 108 [2024-11-24 01:23:25,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:23:25,945 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 135 transitions. [2024-11-24 01:23:25,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 01:23:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 135 transitions. [2024-11-24 01:23:25,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-24 01:23:25,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:23:25,948 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:23:25,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:23:26,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:23:26,152 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:23:26,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:23:26,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1807670342, now seen corresponding path program 1 times [2024-11-24 01:23:26,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:23:26,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224569560] [2024-11-24 01:23:26,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:23:26,154 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 [2024-11-24 01:23:26,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:23:26,158 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:23:26,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:23:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:23:26,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:23:26,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:23:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 152 proven. 33 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-24 01:23:27,539 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:23:28,351 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-24 01:23:28,352 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:23:28,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224569560] [2024-11-24 01:23:28,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224569560] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:23:28,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:23:28,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-24 01:23:28,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924962491] [2024-11-24 01:23:28,353 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:23:28,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:23:28,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:23:28,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:23:28,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:23:28,358 INFO L87 Difference]: Start difference. First operand 91 states and 135 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-24 01:23:32,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:23:32,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:23:32,888 INFO L93 Difference]: Finished difference Result 160 states and 232 transitions. [2024-11-24 01:23:32,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:23:32,913 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 108 [2024-11-24 01:23:32,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:23:32,915 INFO L225 Difference]: With dead ends: 160 [2024-11-24 01:23:32,915 INFO L226 Difference]: Without dead ends: 103 [2024-11-24 01:23:32,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:23:32,917 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 86 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:23:32,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 161 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-24 01:23:32,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-24 01:23:32,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2024-11-24 01:23:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 64 states have (on average 1.234375) internal successors, (79), 64 states have internal predecessors, (79), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:23:32,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 139 transitions. [2024-11-24 01:23:32,951 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 139 transitions. Word has length 108 [2024-11-24 01:23:32,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:23:32,952 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 139 transitions. [2024-11-24 01:23:32,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-24 01:23:32,953 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2024-11-24 01:23:32,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 01:23:32,954 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:23:32,955 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:23:32,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:23:33,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:23:33,161 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:23:33,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:23:33,162 INFO L85 PathProgramCache]: Analyzing trace with hash -43861388, now seen corresponding path program 1 times [2024-11-24 01:23:33,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:23:33,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589060447] [2024-11-24 01:23:33,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:23:33,163 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 [2024-11-24 01:23:33,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:23:33,165 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:23:33,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:23:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:23:33,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:23:33,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:23:37,459 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 168 proven. 9 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-24 01:23:37,459 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:23:41,960 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:23:41,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589060447] [2024-11-24 01:23:41,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589060447] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:23:41,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [491043843] [2024-11-24 01:23:41,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:23:41,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:23:41,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:23:41,968 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:23:41,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-24 01:23:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:23:43,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:23:43,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:23:46,130 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 168 proven. 9 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-24 01:23:46,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:23:46,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [491043843] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:23:46,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:23:46,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2024-11-24 01:23:46,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049743123] [2024-11-24 01:23:46,482 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:23:46,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:23:46,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:23:46,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:23:46,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:23:46,484 INFO L87 Difference]: Start difference. First operand 99 states and 139 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:23:52,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:23:54,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:23:58,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:23:59,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:23:59,530 INFO L93 Difference]: Finished difference Result 236 states and 335 transitions. [2024-11-24 01:23:59,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:23:59,531 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 109 [2024-11-24 01:23:59,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:23:59,534 INFO L225 Difference]: With dead ends: 236 [2024-11-24 01:23:59,534 INFO L226 Difference]: Without dead ends: 175 [2024-11-24 01:23:59,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2024-11-24 01:23:59,536 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 176 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:23:59,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 386 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2024-11-24 01:23:59,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-24 01:23:59,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 160. [2024-11-24 01:23:59,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 107 states have (on average 1.2242990654205608) internal successors, (131), 107 states have internal predecessors, (131), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-24 01:23:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 221 transitions. [2024-11-24 01:23:59,597 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 221 transitions. Word has length 109 [2024-11-24 01:23:59,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:23:59,598 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 221 transitions. [2024-11-24 01:23:59,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 01:23:59,598 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 221 transitions. [2024-11-24 01:23:59,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 01:23:59,604 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:23:59,605 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:23:59,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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)] Ended with exit code 0 [2024-11-24 01:23:59,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-24 01:24:00,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 01:24:00,006 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:00,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:00,006 INFO L85 PathProgramCache]: Analyzing trace with hash -853208014, now seen corresponding path program 1 times [2024-11-24 01:24:00,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:24:00,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560998104] [2024-11-24 01:24:00,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:00,007 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 [2024-11-24 01:24:00,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:24:00,012 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:24:00,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f11ecfd-45db-4e12-a908-c6442ebf2536/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:24:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:00,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-24 01:24:00,791 INFO L279 TraceCheckSpWp]: Computing forward predicates...