./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-51.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB --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 4703bfd85786444b7063ad726d04e3dbfe77bfd14c478aa800342006bdde0646 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:41:50,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:41:50,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:41:50,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:41:50,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:41:50,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:41:50,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:41:50,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:41:50,592 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:41:50,592 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:41:50,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:41:50,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:41:50,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:41:50,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:41:50,593 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:41:50,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:41:50,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:41:50,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:41:50,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:41:50,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:41:50,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:41:50,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:41:50,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:41:50,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:41:50,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:41:50,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:41:50,594 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:41:50,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:41:50,595 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:41:50,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:41:50,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:41:50,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:41:50,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:41:50,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:41:50,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:41:50,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:41:50,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:41:50,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:41:50,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:41:50,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:41:50,596 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:41:50,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:41:50,596 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:41:50,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:41:50,596 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:41:50,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:41:50,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:41:50,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:41:50,596 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_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 4703bfd85786444b7063ad726d04e3dbfe77bfd14c478aa800342006bdde0646 [2024-11-28 02:41:50,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:41:50,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:41:50,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:41:50,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:41:50,967 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:41:50,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-51.i [2024-11-28 02:41:54,067 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/data/266fc08ef/3272d077258946fbba1d9a3863fee081/FLAG4902a1b4f [2024-11-28 02:41:54,424 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:41:54,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-51.i [2024-11-28 02:41:54,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/data/266fc08ef/3272d077258946fbba1d9a3863fee081/FLAG4902a1b4f [2024-11-28 02:41:54,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/data/266fc08ef/3272d077258946fbba1d9a3863fee081 [2024-11-28 02:41:54,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:41:54,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:41:54,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:41:54,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:41:54,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:41:54,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:54,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7490d79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54, skipping insertion in model container [2024-11-28 02:41:54,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:54,490 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:41:54,672 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_2629e5ee-d027-4b72-b582-756e72c28f8f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-51.i[913,926] [2024-11-28 02:41:54,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:41:54,800 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:41:54,814 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_2629e5ee-d027-4b72-b582-756e72c28f8f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-51.i[913,926] [2024-11-28 02:41:54,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:41:54,911 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:41:54,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54 WrapperNode [2024-11-28 02:41:54,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:41:54,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:41:54,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:41:54,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:41:54,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:54,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:54,989 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2024-11-28 02:41:54,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:41:54,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:41:54,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:41:54,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:41:55,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:55,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:55,010 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:55,041 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]. [2024-11-28 02:41:55,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:55,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:55,060 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:55,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:55,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:55,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:55,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:55,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:41:55,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:41:55,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:41:55,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:41:55,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (1/1) ... [2024-11-28 02:41:55,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:41:55,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:41:55,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:41:55,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:41:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:41:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:41:55,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:41:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:41:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:41:55,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:41:55,264 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:41:55,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:41:55,796 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-28 02:41:55,797 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:41:55,816 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:41:55,816 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:41:55,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:41:55 BoogieIcfgContainer [2024-11-28 02:41:55,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:41:55,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:41:55,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:41:55,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:41:55,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:41:54" (1/3) ... [2024-11-28 02:41:55,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e082826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:41:55, skipping insertion in model container [2024-11-28 02:41:55,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:54" (2/3) ... [2024-11-28 02:41:55,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e082826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:41:55, skipping insertion in model container [2024-11-28 02:41:55,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:41:55" (3/3) ... [2024-11-28 02:41:55,834 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-51.i [2024-11-28 02:41:55,856 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:41:55,858 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-51.i that has 2 procedures, 67 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:41:55,957 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:41:55,972 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;@12fc6094, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:41:55,972 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:41:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:41:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:41:55,990 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:55,991 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:55,992 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:55,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:55,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1740960990, now seen corresponding path program 1 times [2024-11-28 02:41:56,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:56,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461665374] [2024-11-28 02:41:56,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:56,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:56,482 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-28 02:41:56,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:56,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461665374] [2024-11-28 02:41:56,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461665374] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:56,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362447359] [2024-11-28 02:41:56,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:56,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:41:56,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:41:56,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:41:56,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:41:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:56,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:41:56,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-28 02:41:56,866 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:41:56,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362447359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:56,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:41:56,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:41:56,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281704968] [2024-11-28 02:41:56,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:56,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:41:56,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:56,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:41:56,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:41:56,917 INFO L87 Difference]: Start difference. First operand has 67 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:41:56,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:56,960 INFO L93 Difference]: Finished difference Result 127 states and 219 transitions. [2024-11-28 02:41:56,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:41:56,963 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-28 02:41:56,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:56,972 INFO L225 Difference]: With dead ends: 127 [2024-11-28 02:41:56,972 INFO L226 Difference]: Without dead ends: 63 [2024-11-28 02:41:56,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:41:56,981 INFO L435 NwaCegarLoop]: 95 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, 95 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 [2024-11-28 02:41:56,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:41:57,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-28 02:41:57,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-28 02:41:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:41:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2024-11-28 02:41:57,035 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 135 [2024-11-28 02:41:57,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:57,036 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2024-11-28 02:41:57,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:41:57,036 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2024-11-28 02:41:57,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:41:57,040 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:57,041 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:57,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:41:57,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:41:57,242 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:57,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:57,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1440285028, now seen corresponding path program 1 times [2024-11-28 02:41:57,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:57,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874778959] [2024-11-28 02:41:57,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:57,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:58,009 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 02:41:58,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:58,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874778959] [2024-11-28 02:41:58,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874778959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:58,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:58,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:41:58,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407446094] [2024-11-28 02:41:58,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:58,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:41:58,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:58,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:41:58,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:41:58,018 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:41:58,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:58,362 INFO L93 Difference]: Finished difference Result 184 states and 280 transitions. [2024-11-28 02:41:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:41:58,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 135 [2024-11-28 02:41:58,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:58,367 INFO L225 Difference]: With dead ends: 184 [2024-11-28 02:41:58,370 INFO L226 Difference]: Without dead ends: 124 [2024-11-28 02:41:58,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:41:58,372 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 71 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:58,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 261 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:41:58,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-28 02:41:58,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2024-11-28 02:41:58,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-28 02:41:58,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 155 transitions. [2024-11-28 02:41:58,421 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 155 transitions. Word has length 135 [2024-11-28 02:41:58,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:58,422 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 155 transitions. [2024-11-28 02:41:58,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:41:58,422 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2024-11-28 02:41:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:41:58,428 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:58,428 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:58,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:41:58,429 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:58,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:58,429 INFO L85 PathProgramCache]: Analyzing trace with hash -810717471, now seen corresponding path program 1 times [2024-11-28 02:41:58,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:58,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259711829] [2024-11-28 02:41:58,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:58,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:59,160 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 02:41:59,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:59,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259711829] [2024-11-28 02:41:59,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259711829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:59,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:59,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:41:59,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21590923] [2024-11-28 02:41:59,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:59,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:41:59,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:59,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:41:59,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:41:59,166 INFO L87 Difference]: Start difference. First operand 103 states and 155 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:41:59,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:59,585 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2024-11-28 02:41:59,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:41:59,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2024-11-28 02:41:59,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:59,589 INFO L225 Difference]: With dead ends: 230 [2024-11-28 02:41:59,593 INFO L226 Difference]: Without dead ends: 170 [2024-11-28 02:41:59,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:41:59,594 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 82 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:59,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 318 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:41:59,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-28 02:41:59,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 161. [2024-11-28 02:41:59,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 94 states have (on average 1.2659574468085106) internal successors, (119), 94 states have internal predecessors, (119), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-28 02:41:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 245 transitions. [2024-11-28 02:41:59,646 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 245 transitions. Word has length 136 [2024-11-28 02:41:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:59,650 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 245 transitions. [2024-11-28 02:41:59,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:41:59,650 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 245 transitions. [2024-11-28 02:41:59,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:41:59,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:59,655 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:59,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:41:59,655 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:59,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:59,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1205819797, now seen corresponding path program 1 times [2024-11-28 02:41:59,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:59,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48906584] [2024-11-28 02:41:59,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:59,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 02:42:00,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:00,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48906584] [2024-11-28 02:42:00,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48906584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:00,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:00,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:42:00,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148307604] [2024-11-28 02:42:00,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:00,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:42:00,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:00,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:42:00,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:42:00,052 INFO L87 Difference]: Start difference. First operand 161 states and 245 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:42:00,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:00,332 INFO L93 Difference]: Finished difference Result 397 states and 609 transitions. [2024-11-28 02:42:00,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:42:00,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2024-11-28 02:42:00,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:00,336 INFO L225 Difference]: With dead ends: 397 [2024-11-28 02:42:00,336 INFO L226 Difference]: Without dead ends: 279 [2024-11-28 02:42:00,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:42:00,338 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 77 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:00,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 244 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:42:00,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-28 02:42:00,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 277. [2024-11-28 02:42:00,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 166 states have (on average 1.2891566265060241) internal successors, (214), 166 states have internal predecessors, (214), 105 states have call successors, (105), 5 states have call predecessors, (105), 5 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-28 02:42:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 424 transitions. [2024-11-28 02:42:00,425 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 424 transitions. Word has length 137 [2024-11-28 02:42:00,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:00,426 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 424 transitions. [2024-11-28 02:42:00,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:42:00,430 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 424 transitions. [2024-11-28 02:42:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:42:00,432 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:00,432 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:00,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:42:00,433 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:00,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:00,438 INFO L85 PathProgramCache]: Analyzing trace with hash 812792787, now seen corresponding path program 1 times [2024-11-28 02:42:00,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:00,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716735467] [2024-11-28 02:42:00,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:00,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:00,751 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 02:42:00,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:00,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716735467] [2024-11-28 02:42:00,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716735467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:00,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:00,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:42:00,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302811277] [2024-11-28 02:42:00,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:00,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:42:00,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:00,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:42:00,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:00,756 INFO L87 Difference]: Start difference. First operand 277 states and 424 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:42:00,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:00,864 INFO L93 Difference]: Finished difference Result 521 states and 802 transitions. [2024-11-28 02:42:00,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:42:00,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 137 [2024-11-28 02:42:00,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:00,872 INFO L225 Difference]: With dead ends: 521 [2024-11-28 02:42:00,874 INFO L226 Difference]: Without dead ends: 287 [2024-11-28 02:42:00,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:00,877 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:00,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 193 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:42:00,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-28 02:42:00,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 277. [2024-11-28 02:42:00,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 166 states have (on average 1.2650602409638554) internal successors, (210), 166 states have internal predecessors, (210), 105 states have call successors, (105), 5 states have call predecessors, (105), 5 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-28 02:42:00,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 420 transitions. [2024-11-28 02:42:00,991 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 420 transitions. Word has length 137 [2024-11-28 02:42:00,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:00,992 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 420 transitions. [2024-11-28 02:42:00,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:42:00,992 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 420 transitions. [2024-11-28 02:42:00,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:42:00,994 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:00,994 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:00,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:42:00,995 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:00,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:00,996 INFO L85 PathProgramCache]: Analyzing trace with hash 463284182, now seen corresponding path program 1 times [2024-11-28 02:42:00,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:00,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742521467] [2024-11-28 02:42:00,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:00,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:01,372 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-28 02:42:01,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:01,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742521467] [2024-11-28 02:42:01,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742521467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:01,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410915853] [2024-11-28 02:42:01,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:01,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:01,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:01,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:01,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:42:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:01,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:42:01,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 36 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-28 02:42:01,829 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:02,168 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-28 02:42:02,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410915853] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:42:02,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:42:02,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-28 02:42:02,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186601382] [2024-11-28 02:42:02,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:02,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:42:02,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:02,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:42:02,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:42:02,172 INFO L87 Difference]: Start difference. First operand 277 states and 420 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2024-11-28 02:42:02,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:02,502 INFO L93 Difference]: Finished difference Result 425 states and 625 transitions. [2024-11-28 02:42:02,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:42:02,505 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 138 [2024-11-28 02:42:02,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:02,511 INFO L225 Difference]: With dead ends: 425 [2024-11-28 02:42:02,511 INFO L226 Difference]: Without dead ends: 307 [2024-11-28 02:42:02,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:42:02,514 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 75 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:02,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 152 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:42:02,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-28 02:42:02,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 173. [2024-11-28 02:42:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.203883495145631) internal successors, (124), 103 states have internal predecessors, (124), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-28 02:42:02,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 250 transitions. [2024-11-28 02:42:02,607 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 250 transitions. Word has length 138 [2024-11-28 02:42:02,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:02,609 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 250 transitions. [2024-11-28 02:42:02,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2024-11-28 02:42:02,609 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 250 transitions. [2024-11-28 02:42:02,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:42:02,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:02,613 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:02,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:42:02,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:02,817 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:02,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:02,818 INFO L85 PathProgramCache]: Analyzing trace with hash 70257172, now seen corresponding path program 1 times [2024-11-28 02:42:02,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:02,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057055508] [2024-11-28 02:42:02,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:02,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:03,329 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-28 02:42:03,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:03,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057055508] [2024-11-28 02:42:03,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057055508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:03,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114027444] [2024-11-28 02:42:03,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:03,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:03,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:03,332 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:03,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:42:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:03,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:42:03,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:03,679 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 200 proven. 6 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2024-11-28 02:42:03,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-28 02:42:03,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114027444] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:42:03,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:42:03,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-28 02:42:03,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842271308] [2024-11-28 02:42:03,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:03,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:42:03,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:03,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:42:03,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:42:03,995 INFO L87 Difference]: Start difference. First operand 173 states and 250 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 02:42:04,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:04,774 INFO L93 Difference]: Finished difference Result 347 states and 486 transitions. [2024-11-28 02:42:04,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:42:04,775 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 138 [2024-11-28 02:42:04,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:04,778 INFO L225 Difference]: With dead ends: 347 [2024-11-28 02:42:04,778 INFO L226 Difference]: Without dead ends: 283 [2024-11-28 02:42:04,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 273 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:42:04,780 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 113 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:04,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 317 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:42:04,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-28 02:42:04,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 191. [2024-11-28 02:42:04,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 118 states have (on average 1.1779661016949152) internal successors, (139), 118 states have internal predecessors, (139), 63 states have call successors, (63), 9 states have call predecessors, (63), 9 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-28 02:42:04,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 265 transitions. [2024-11-28 02:42:04,847 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 265 transitions. Word has length 138 [2024-11-28 02:42:04,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:04,848 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 265 transitions. [2024-11-28 02:42:04,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 02:42:04,849 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 265 transitions. [2024-11-28 02:42:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:42:04,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:04,851 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:04,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:42:05,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:05,052 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:05,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:05,053 INFO L85 PathProgramCache]: Analyzing trace with hash -2061646100, now seen corresponding path program 1 times [2024-11-28 02:42:05,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:05,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945422239] [2024-11-28 02:42:05,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:05,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:42:05,132 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:42:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:42:05,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:42:05,291 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:42:05,292 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:42:05,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:42:05,298 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:05,404 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:42:05,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:42:05 BoogieIcfgContainer [2024-11-28 02:42:05,408 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:42:05,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:42:05,409 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:42:05,409 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:42:05,410 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:41:55" (3/4) ... [2024-11-28 02:42:05,413 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:42:05,414 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:42:05,415 INFO L158 Benchmark]: Toolchain (without parser) took 10957.87ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.8MB in the beginning and 98.0MB in the end (delta: -5.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-28 02:42:05,415 INFO L158 Benchmark]: CDTParser took 2.01ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:42:05,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.62ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:42:05,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.10ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 76.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:42:05,423 INFO L158 Benchmark]: Boogie Preprocessor took 92.02ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 73.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:42:05,423 INFO L158 Benchmark]: RCFGBuilder took 734.01ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 55.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:42:05,424 INFO L158 Benchmark]: TraceAbstraction took 9585.78ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 54.4MB in the beginning and 98.0MB in the end (delta: -43.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-28 02:42:05,424 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 98.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:42:05,426 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.01ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.62ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.10ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 76.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 92.02ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 73.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 734.01ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 55.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9585.78ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 54.4MB in the beginning and 98.0MB in the end (delta: -43.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 98.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 123, overapproximation of someBinaryDOUBLEComparisonOperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 141. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] double var_1_4 = 32.3; [L24] double var_1_5 = 0.25; [L25] unsigned char var_1_7 = 2; [L26] signed char var_1_8 = -10; [L27] signed char var_1_9 = 5; [L28] signed char var_1_10 = 4; [L29] signed char var_1_11 = 100; [L30] unsigned long int var_1_12 = 8; [L31] unsigned char var_1_13 = 0; [L32] unsigned long int var_1_15 = 1114432789; [L33] double var_1_17 = 256.8; [L34] double var_1_18 = 1.25; [L35] unsigned long int var_1_19 = 16; [L36] unsigned char var_1_21 = 1; [L37] double var_1_22 = -0.5; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 1; [L40] unsigned char last_1_var_1_1 = 128; [L41] unsigned long int last_1_var_1_12 = 8; [L42] double last_1_var_1_17 = 256.8; [L43] unsigned char last_1_var_1_21 = 1; VAL [isInitial=0, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L145] isInitial = 1 [L146] FCALL initially() [L148] CALL updateLastVariables() [L135] last_1_var_1_1 = var_1_1 [L136] last_1_var_1_12 = var_1_12 [L137] last_1_var_1_17 = var_1_17 [L138] last_1_var_1_21 = var_1_21 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L148] RET updateLastVariables() [L149] CALL updateVariables() [L100] var_1_4 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L101] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L102] var_1_5 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L103] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L104] var_1_7 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L105] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L106] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=5] [L106] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=5] [L107] var_1_9 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L108] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L109] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L109] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L110] var_1_10 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L111] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L112] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L112] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L113] var_1_11 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L114] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L115] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L115] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L116] var_1_13 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L117] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L118] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L118] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L119] var_1_15 = __VERIFIER_nondet_ulong() [L120] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L120] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L121] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L121] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L122] var_1_18 = __VERIFIER_nondet_double() [L123] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L123] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L124] var_1_22 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L125] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L126] CALL assume_abort_if_not(var_1_22 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L126] RET assume_abort_if_not(var_1_22 != 0.0F) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L127] var_1_23 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L128] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L129] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L129] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L130] var_1_24 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L131] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L132] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L132] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L149] RET updateVariables() [L150] CALL step() [L47] unsigned char stepLocal_3 = ((((var_1_4) > (last_1_var_1_17)) ? (var_1_4) : (last_1_var_1_17))) > var_1_18; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_3=0, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L48] COND TRUE last_1_var_1_21 || stepLocal_3 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L49] COND TRUE var_1_18 > ((((last_1_var_1_17) < 0 ) ? -(last_1_var_1_17) : (last_1_var_1_17))) [L50] var_1_19 = last_1_var_1_1 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L57] unsigned long int stepLocal_1 = last_1_var_1_12; [L58] unsigned long int stepLocal_0 = 32u; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_0=32, stepLocal_1=8, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L59] COND TRUE stepLocal_0 >= last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_1=8, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L60] COND TRUE stepLocal_1 <= last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L61] COND TRUE (var_1_4 - var_1_5) >= last_1_var_1_17 [L62] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L68] COND FALSE !((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L71] COND TRUE ! (var_1_17 > var_1_5) [L72] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L76] unsigned long int stepLocal_4 = var_1_19; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L77] COND FALSE !((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) [L88] var_1_21 = var_1_23 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L90] unsigned char stepLocal_2 = var_1_21; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_2=-256, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L91] COND FALSE !(var_1_21 && stepLocal_2) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L94] COND FALSE !(\read(var_1_21)) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L150] RET step() [L151] CALL, EXPR property() [L141-L142] return ((((((32u >= last_1_var_1_12) ? ((last_1_var_1_12 <= last_1_var_1_12) ? (((var_1_4 - var_1_5) >= last_1_var_1_17) ? (var_1_1 == ((unsigned char) var_1_7)) : 1) : 1) : (var_1_1 == ((unsigned char) var_1_7))) && ((! (var_1_17 > var_1_5)) ? (var_1_8 == ((signed char) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11))) : (var_1_8 == ((signed char) -4)))) && ((var_1_21 && var_1_21) ? (var_1_12 == ((unsigned long int) var_1_11)) : (var_1_21 ? (var_1_12 == ((unsigned long int) (((((var_1_19) > ((var_1_11 + var_1_7))) ? (var_1_19) : ((var_1_11 + var_1_7)))) + (var_1_15 - var_1_1)))) : 1))) && (((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) ? (var_1_17 == ((double) var_1_18)) : 1)) && ((last_1_var_1_21 || (((((var_1_4) > (last_1_var_1_17)) ? (var_1_4) : (last_1_var_1_17))) > var_1_18)) ? ((var_1_18 > ((((last_1_var_1_17) < 0 ) ? -(last_1_var_1_17) : (last_1_var_1_17)))) ? (var_1_19 == ((unsigned long int) last_1_var_1_1)) : (var_1_19 == ((unsigned long int) var_1_11))) : (var_1_19 == ((unsigned long int) last_1_var_1_1)))) && (((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) ? (var_1_13 ? ((var_1_1 < var_1_19) ? (var_1_21 == ((unsigned char) (! var_1_23))) : (var_1_21 == ((unsigned char) var_1_24))) : (var_1_21 == ((unsigned char) var_1_23))) : (var_1_21 == ((unsigned char) var_1_23))) ; VAL [\result=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L151] RET, EXPR property() [L151] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 8, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 462 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 435 mSDsluCounter, 1580 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 926 mSDsCounter, 259 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 562 IncrementalHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 259 mSolverCounterUnsat, 654 mSDtfsCounter, 562 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 738 GetRequests, 697 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=4, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 268 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1506 NumberOfCodeBlocks, 1506 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1631 ConstructedInterpolants, 0 QuantifiedInterpolants, 3267 SizeOfPredicates, 5 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 9914/10080 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 [2024-11-28 02:42:05,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB --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 4703bfd85786444b7063ad726d04e3dbfe77bfd14c478aa800342006bdde0646 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:42:08,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:42:08,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:42:08,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:42:08,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:42:08,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:42:08,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:42:08,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:42:08,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:42:08,782 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:42:08,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:42:08,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:42:08,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:42:08,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:42:08,783 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:42:08,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:42:08,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:42:08,784 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:42:08,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:42:08,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:42:08,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:42:08,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:42:08,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:42:08,785 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:42:08,785 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:42:08,785 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:42:08,785 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:42:08,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:42:08,786 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:42:08,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:42:08,786 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:42:08,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:42:08,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:42:08,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:42:08,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:08,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:42:08,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:42:08,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:42:08,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:42:08,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:08,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:42:08,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:42:08,788 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:42:08,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:42:08,788 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:42:08,788 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:42:08,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:42:08,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:42:08,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:42:08,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:42:08,788 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_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 4703bfd85786444b7063ad726d04e3dbfe77bfd14c478aa800342006bdde0646 [2024-11-28 02:42:09,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:42:09,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:42:09,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:42:09,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:42:09,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:42:09,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-51.i [2024-11-28 02:42:12,303 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/data/295eab8b3/be541849d8ac46b2bf115ae7c126f3a3/FLAGd505ed9ca [2024-11-28 02:42:12,616 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:42:12,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-51.i [2024-11-28 02:42:12,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/data/295eab8b3/be541849d8ac46b2bf115ae7c126f3a3/FLAGd505ed9ca [2024-11-28 02:42:12,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/data/295eab8b3/be541849d8ac46b2bf115ae7c126f3a3 [2024-11-28 02:42:12,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:42:12,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:42:12,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:42:12,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:42:12,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:42:12,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:42:12" (1/1) ... [2024-11-28 02:42:12,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@84f0d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:12, skipping insertion in model container [2024-11-28 02:42:12,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:42:12" (1/1) ... [2024-11-28 02:42:12,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:42:13,156 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_2629e5ee-d027-4b72-b582-756e72c28f8f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-51.i[913,926] [2024-11-28 02:42:13,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:42:13,321 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:42:13,343 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_2629e5ee-d027-4b72-b582-756e72c28f8f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-51.i[913,926] [2024-11-28 02:42:13,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:42:13,453 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:42:13,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13 WrapperNode [2024-11-28 02:42:13,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:42:13,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:42:13,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:42:13,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:42:13,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (1/1) ... [2024-11-28 02:42:13,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (1/1) ... [2024-11-28 02:42:13,545 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2024-11-28 02:42:13,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:42:13,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:42:13,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:42:13,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:42:13,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (1/1) ... [2024-11-28 02:42:13,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (1/1) ... [2024-11-28 02:42:13,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (1/1) ... [2024-11-28 02:42:13,593 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]. [2024-11-28 02:42:13,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (1/1) ... [2024-11-28 02:42:13,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (1/1) ... [2024-11-28 02:42:13,618 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (1/1) ... [2024-11-28 02:42:13,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (1/1) ... [2024-11-28 02:42:13,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (1/1) ... [2024-11-28 02:42:13,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (1/1) ... [2024-11-28 02:42:13,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (1/1) ... [2024-11-28 02:42:13,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:42:13,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:42:13,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:42:13,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:42:13,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (1/1) ... [2024-11-28 02:42:13,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:13,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:13,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:42:13,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:42:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:42:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:42:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:42:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:42:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:42:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:42:13,893 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:42:13,896 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:42:27,179 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-28 02:42:27,179 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:42:27,191 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:42:27,192 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:42:27,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:42:27 BoogieIcfgContainer [2024-11-28 02:42:27,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:42:27,194 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:42:27,194 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:42:27,200 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:42:27,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:42:12" (1/3) ... [2024-11-28 02:42:27,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34561277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:42:27, skipping insertion in model container [2024-11-28 02:42:27,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:13" (2/3) ... [2024-11-28 02:42:27,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34561277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:42:27, skipping insertion in model container [2024-11-28 02:42:27,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:42:27" (3/3) ... [2024-11-28 02:42:27,203 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-51.i [2024-11-28 02:42:27,221 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:42:27,224 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-51.i that has 2 procedures, 67 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:42:27,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:42:27,331 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;@1de11a2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:42:27,332 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:42:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:42:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:42:27,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:27,359 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:27,359 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:27,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:27,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1740960990, now seen corresponding path program 1 times [2024-11-28 02:42:27,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:42:27,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455791541] [2024-11-28 02:42:27,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:27,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:42:27,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:42:27,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:42:27,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:42:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:28,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:42:28,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:28,558 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2024-11-28 02:42:28,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:42:28,559 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:42:28,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455791541] [2024-11-28 02:42:28,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [455791541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:28,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:28,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:42:28,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120636242] [2024-11-28 02:42:28,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:28,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:42:28,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:42:28,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:42:28,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:42:28,594 INFO L87 Difference]: Start difference. First operand has 67 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:42:28,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:28,631 INFO L93 Difference]: Finished difference Result 127 states and 219 transitions. [2024-11-28 02:42:28,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:42:28,634 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-28 02:42:28,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:28,641 INFO L225 Difference]: With dead ends: 127 [2024-11-28 02:42:28,641 INFO L226 Difference]: Without dead ends: 63 [2024-11-28 02:42:28,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:42:28,648 INFO L435 NwaCegarLoop]: 95 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, 95 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 [2024-11-28 02:42:28,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:42:28,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-28 02:42:28,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-28 02:42:28,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:42:28,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2024-11-28 02:42:28,720 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 135 [2024-11-28 02:42:28,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:28,722 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2024-11-28 02:42:28,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:42:28,723 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2024-11-28 02:42:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:42:28,727 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:28,728 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:28,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:42:28,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:42:28,929 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:28,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:28,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1440285028, now seen corresponding path program 1 times [2024-11-28 02:42:28,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:42:28,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450752171] [2024-11-28 02:42:28,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:28,931 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 [2024-11-28 02:42:28,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:42:28,936 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:42:28,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:42:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:29,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:42:29,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 02:42:32,265 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:42:32,266 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:42:32,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450752171] [2024-11-28 02:42:32,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450752171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:32,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:32,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:42:32,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463789230] [2024-11-28 02:42:32,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:32,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:42:32,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:42:32,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:42:32,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:42:32,271 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:42:33,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:38,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:42,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:46,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:50,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:50,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:50,514 INFO L93 Difference]: Finished difference Result 184 states and 280 transitions. [2024-11-28 02:42:50,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:42:50,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 135 [2024-11-28 02:42:50,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:50,588 INFO L225 Difference]: With dead ends: 184 [2024-11-28 02:42:50,588 INFO L226 Difference]: Without dead ends: 124 [2024-11-28 02:42:50,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:42:50,590 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 68 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 43 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:50,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 262 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 15 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2024-11-28 02:42:50,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-28 02:42:50,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2024-11-28 02:42:50,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-28 02:42:50,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 155 transitions. [2024-11-28 02:42:50,631 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 155 transitions. Word has length 135 [2024-11-28 02:42:50,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:50,632 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 155 transitions. [2024-11-28 02:42:50,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:42:50,636 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2024-11-28 02:42:50,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:42:50,639 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:50,639 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:50,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:42:50,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:42:50,842 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:50,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:50,843 INFO L85 PathProgramCache]: Analyzing trace with hash -810717471, now seen corresponding path program 1 times [2024-11-28 02:42:50,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:42:50,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087817926] [2024-11-28 02:42:50,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:50,844 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 [2024-11-28 02:42:50,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:42:50,848 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:42:50,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:42:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:51,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:42:51,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 02:42:54,424 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:42:54,424 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:42:54,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087817926] [2024-11-28 02:42:54,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087817926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:54,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:54,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:42:54,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203946144] [2024-11-28 02:42:54,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:54,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:42:54,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:42:54,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:42:54,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:42:54,428 INFO L87 Difference]: Start difference. First operand 103 states and 155 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:42:59,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:03,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:07,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:11,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:16,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:20,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:24,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:28,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:28,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:28,473 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2024-11-28 02:43:28,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:43:28,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2024-11-28 02:43:28,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:28,614 INFO L225 Difference]: With dead ends: 230 [2024-11-28 02:43:28,614 INFO L226 Difference]: Without dead ends: 170 [2024-11-28 02:43:28,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:43:28,616 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 78 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 43 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:28,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 319 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 64 Invalid, 8 Unknown, 0 Unchecked, 33.8s Time] [2024-11-28 02:43:28,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-28 02:43:28,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 161. [2024-11-28 02:43:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 94 states have (on average 1.2659574468085106) internal successors, (119), 94 states have internal predecessors, (119), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-28 02:43:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 245 transitions. [2024-11-28 02:43:28,684 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 245 transitions. Word has length 136 [2024-11-28 02:43:28,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:28,685 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 245 transitions. [2024-11-28 02:43:28,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:43:28,688 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 245 transitions. [2024-11-28 02:43:28,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:43:28,694 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:28,694 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:28,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:43:28,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:43:28,895 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:43:28,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:28,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1205819797, now seen corresponding path program 1 times [2024-11-28 02:43:28,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:43:28,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615417994] [2024-11-28 02:43:28,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:28,897 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 [2024-11-28 02:43:28,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:43:28,901 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:43:28,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:43:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:30,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:43:30,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 02:43:30,223 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:43:30,224 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:43:30,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615417994] [2024-11-28 02:43:30,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615417994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:30,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:30,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:43:30,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739052727] [2024-11-28 02:43:30,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:30,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:30,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:43:30,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:30,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:30,227 INFO L87 Difference]: Start difference. First operand 161 states and 245 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:43:34,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:38,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:40,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:40,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:40,488 INFO L93 Difference]: Finished difference Result 289 states and 444 transitions. [2024-11-28 02:43:40,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:40,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 137 [2024-11-28 02:43:40,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:40,581 INFO L225 Difference]: With dead ends: 289 [2024-11-28 02:43:40,581 INFO L226 Difference]: Without dead ends: 171 [2024-11-28 02:43:40,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:40,583 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:40,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 193 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2024-11-28 02:43:40,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-28 02:43:40,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 161. [2024-11-28 02:43:40,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 94 states have (on average 1.2446808510638299) internal successors, (117), 94 states have internal predecessors, (117), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-28 02:43:40,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 243 transitions. [2024-11-28 02:43:40,639 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 243 transitions. Word has length 137 [2024-11-28 02:43:40,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:40,640 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 243 transitions. [2024-11-28 02:43:40,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:43:40,640 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 243 transitions. [2024-11-28 02:43:40,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:43:40,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:40,643 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:40,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:43:40,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:43:40,844 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:43:40,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:40,844 INFO L85 PathProgramCache]: Analyzing trace with hash 463284182, now seen corresponding path program 1 times [2024-11-28 02:43:40,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:43:40,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954056465] [2024-11-28 02:43:40,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:40,845 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 [2024-11-28 02:43:40,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:43:40,847 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:43:40,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Waiting until timeout for monitored process [2024-11-28 02:43:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:42,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:43:42,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:43,857 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 36 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-28 02:43:43,857 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:43:44,355 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:43:44,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954056465] [2024-11-28 02:43:44,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954056465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:43:44,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [104121057] [2024-11-28 02:43:44,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:44,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:43:44,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:43:44,369 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:43:44,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-28 02:43:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:46,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:43:46,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 36 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-28 02:43:48,414 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:43:48,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [104121057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:43:48,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:43:48,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2024-11-28 02:43:48,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418763898] [2024-11-28 02:43:48,772 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:43:48,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:43:48,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:43:48,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:43:48,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:43:48,775 INFO L87 Difference]: Start difference. First operand 161 states and 243 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:43:54,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:58,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:02,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:03,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:44:03,087 INFO L93 Difference]: Finished difference Result 297 states and 438 transitions. [2024-11-28 02:44:03,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:44:03,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2024-11-28 02:44:03,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:44:03,095 INFO L225 Difference]: With dead ends: 297 [2024-11-28 02:44:03,096 INFO L226 Difference]: Without dead ends: 179 [2024-11-28 02:44:03,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:44:03,098 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 42 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:44:03,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 152 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 126 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2024-11-28 02:44:03,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-28 02:44:03,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 173. [2024-11-28 02:44:03,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.203883495145631) internal successors, (124), 103 states have internal predecessors, (124), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-28 02:44:03,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 250 transitions. [2024-11-28 02:44:03,132 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 250 transitions. Word has length 138 [2024-11-28 02:44:03,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:44:03,132 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 250 transitions. [2024-11-28 02:44:03,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:44:03,133 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 250 transitions. [2024-11-28 02:44:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:44:03,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:44:03,135 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:44:03,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 02:44:03,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-28 02:44:03,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:44:03,536 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:44:03,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:44:03,538 INFO L85 PathProgramCache]: Analyzing trace with hash 70257172, now seen corresponding path program 1 times [2024-11-28 02:44:03,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:44:03,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605391354] [2024-11-28 02:44:03,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:44:03,538 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 [2024-11-28 02:44:03,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:44:03,540 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:44:03,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-28 02:44:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:44:04,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:44:04,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:44:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 200 proven. 6 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2024-11-28 02:44:05,724 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:44:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-28 02:44:07,608 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:44:07,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605391354] [2024-11-28 02:44:07,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605391354] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:44:07,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:44:07,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2024-11-28 02:44:07,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974000496] [2024-11-28 02:44:07,609 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:44:07,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:44:07,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:44:07,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:44:07,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:44:07,611 INFO L87 Difference]: Start difference. First operand 173 states and 250 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 02:44:14,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:18,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:22,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:24,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:28,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:32,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:36,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:40,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:44,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:48,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:52,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:56,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:03,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:05,745 WARN L539 Checker$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 [] [2024-11-28 02:45:06,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:45:06,055 INFO L93 Difference]: Finished difference Result 347 states and 486 transitions. [2024-11-28 02:45:06,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 02:45:06,056 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 138 [2024-11-28 02:45:06,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:45:06,058 INFO L225 Difference]: With dead ends: 347 [2024-11-28 02:45:06,059 INFO L226 Difference]: Without dead ends: 283 [2024-11-28 02:45:06,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 267 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2024-11-28 02:45:06,060 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 158 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 78 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:45:06,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 432 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 359 Invalid, 11 Unknown, 0 Unchecked, 57.2s Time] [2024-11-28 02:45:06,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-28 02:45:06,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 191. [2024-11-28 02:45:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 118 states have (on average 1.1779661016949152) internal successors, (139), 118 states have internal predecessors, (139), 63 states have call successors, (63), 9 states have call predecessors, (63), 9 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-28 02:45:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 265 transitions. [2024-11-28 02:45:06,103 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 265 transitions. Word has length 138 [2024-11-28 02:45:06,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:45:06,104 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 265 transitions. [2024-11-28 02:45:06,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 02:45:06,104 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 265 transitions. [2024-11-28 02:45:06,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:45:06,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:45:06,106 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:45:06,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-28 02:45:06,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:45:06,307 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:45:06,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:45:06,307 INFO L85 PathProgramCache]: Analyzing trace with hash -2061646100, now seen corresponding path program 1 times [2024-11-28 02:45:06,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:45:06,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1213499473] [2024-11-28 02:45:06,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:45:06,308 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 [2024-11-28 02:45:06,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:45:06,310 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:45:06,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2629e5ee-d027-4b72-b582-756e72c28f8f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-28 02:45:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:45:07,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 02:45:07,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:45:28,575 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:45:36,901 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:45:45,223 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:45:53,563 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:46:01,911 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:46:10,270 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:46:18,604 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:46:30,384 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:46:38,531 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:46:46,860 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:46:55,196 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:47:03,529 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:47:11,858 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:47:20,192 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:47:28,526 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:47:36,868 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:47:45,216 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:47:53,542 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:48:01,889 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:48:10,236 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:48:14,345 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)))) (let ((.cse6 (fp.gt .cse7 c_~var_1_22~0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0))) (.cse4 ((_ sign_extend 24) c_~var_1_11~0))) (and (= c_~var_1_23~0 c_~var_1_21~0) (= c_~var_1_7~0 c_~var_1_1~0) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0)) (.cse2 ((_ sign_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvneg .cse4)) (.cse0 (bvslt .cse3 .cse2))) (or (and (not .cse0) (= ((_ extract 7 0) (bvadd .cse1 .cse2)) c_~var_1_8~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse1)) c_~var_1_8~0) .cse0)))) (= (_ bv1 8) c_~last_1_var_1_21~0) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 c_~var_1_22~0) .cse5)) .cse6) (bvsle ((_ zero_extend 24) c_~var_1_23~0) (_ bv0 32)) (or (not .cse6) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 .cse7) .cse5))) (= (_ bv8 32) c_~var_1_12~0) (= (_ bv8 32) c_~last_1_var_1_12~0) (not (fp.gt c_~var_1_17~0 c_~var_1_5~0)) (= c_~var_1_19~0 ((_ zero_extend 24) c_~last_1_var_1_1~0)) (let ((.cse8 (fp.lt c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.gt c_~var_1_18~0 (fp.neg c_~last_1_var_1_17~0)) .cse8) (and (not .cse8) (fp.gt c_~var_1_18~0 c_~last_1_var_1_17~0)))) (bvsge .cse4 (_ bv0 32))))) is different from false [2024-11-28 02:48:18,448 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)))) (let ((.cse6 (fp.gt .cse7 c_~var_1_22~0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0))) (.cse4 ((_ sign_extend 24) c_~var_1_11~0))) (and (= c_~var_1_23~0 c_~var_1_21~0) (= c_~var_1_7~0 c_~var_1_1~0) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0)) (.cse2 ((_ sign_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvneg .cse4)) (.cse0 (bvslt .cse3 .cse2))) (or (and (not .cse0) (= ((_ extract 7 0) (bvadd .cse1 .cse2)) c_~var_1_8~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse1)) c_~var_1_8~0) .cse0)))) (= (_ bv1 8) c_~last_1_var_1_21~0) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 c_~var_1_22~0) .cse5)) .cse6) (bvsle ((_ zero_extend 24) c_~var_1_23~0) (_ bv0 32)) (or (not .cse6) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 .cse7) .cse5))) (= (_ bv8 32) c_~var_1_12~0) (= (_ bv8 32) c_~last_1_var_1_12~0) (not (fp.gt c_~var_1_17~0 c_~var_1_5~0)) (= c_~var_1_19~0 ((_ zero_extend 24) c_~last_1_var_1_1~0)) (let ((.cse8 (fp.lt c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.gt c_~var_1_18~0 (fp.neg c_~last_1_var_1_17~0)) .cse8) (and (not .cse8) (fp.gt c_~var_1_18~0 c_~last_1_var_1_17~0)))) (bvsge .cse4 (_ bv0 32))))) is different from true [2024-11-28 02:48:26,803 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:48:35,119 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:48:43,456 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:48:51,795 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:49:00,116 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:49:08,454 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:49:16,774 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:49:28,303 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:49:36,440 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:49:44,778 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:49:53,131 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:50:01,482 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:50:09,829 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:50:22,915 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:50:31,220 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:50:39,528 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:50:47,838 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:50:56,148 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:51:02,088 WARN L286 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:51:10,405 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:51:18,720 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:51:27,020 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:51:35,321 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:51:43,633 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:51:51,954 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:52:00,254 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:52:12,165 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:52:20,297 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:52:28,597 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:52:36,902 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:52:45,212 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:52:53,524 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:53:01,830 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:53:10,143 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:53:18,446 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:53:26,741 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:53:35,034 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:53:43,336 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:53:51,646 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:53:59,996 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:54:08,299 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:54:16,608 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:54:24,924 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:54:33,241 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:54:41,559 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:54:49,865 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:55:00,057 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:55:08,189 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:55:16,513 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:55:24,835 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:55:33,153 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:55:46,399 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:55:54,720 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:56:03,058 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:56:11,380 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:56:19,665 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:56:27,963 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:56:36,283 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)