./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.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_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 8725ca15b6ba01e824b857cb643dcbf1a334f302cf4671dbc0203866c02c86e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:44:09,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:44:09,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:44:09,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:44:09,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:44:09,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:44:09,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:44:09,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:44:09,976 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:44:09,976 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:44:09,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:44:09,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:44:09,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:44:09,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:44:09,977 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:44:09,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:44:09,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:44:09,977 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:44:09,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:44:09,977 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:44:09,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:44:09,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:44:09,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:44:09,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:44:09,978 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:44:09,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:44:09,978 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:44:09,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:44:09,978 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:44:09,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:44:09,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:44:09,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:44:09,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:44:09,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:44:09,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:44:09,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:44:09,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:44:09,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:44:09,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:44:09,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:44:09,980 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:44:09,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:44:09,980 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:44:09,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:44:09,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:44:09,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:44:09,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:44:09,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:44:09,980 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_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 -> 8725ca15b6ba01e824b857cb643dcbf1a334f302cf4671dbc0203866c02c86e4 [2024-11-28 03:44:10,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:44:10,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:44:10,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:44:10,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:44:10,351 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:44:10,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i [2024-11-28 03:44:13,390 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/data/510689420/e8d5fd92da0b4d17b8cf63d4a2629b96/FLAG72012974c [2024-11-28 03:44:13,742 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:44:13,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i [2024-11-28 03:44:13,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/data/510689420/e8d5fd92da0b4d17b8cf63d4a2629b96/FLAG72012974c [2024-11-28 03:44:13,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/data/510689420/e8d5fd92da0b4d17b8cf63d4a2629b96 [2024-11-28 03:44:13,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:44:13,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:44:13,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:44:13,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:44:13,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:44:13,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:13" (1/1) ... [2024-11-28 03:44:13,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc9c82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13, skipping insertion in model container [2024-11-28 03:44:13,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:13" (1/1) ... [2024-11-28 03:44:14,005 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:44:14,168 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_e307c505-dd52-4ef5-b30f-df70e7699c8d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i[919,932] [2024-11-28 03:44:14,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:44:14,264 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:44:14,273 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_e307c505-dd52-4ef5-b30f-df70e7699c8d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i[919,932] [2024-11-28 03:44:14,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:44:14,345 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:44:14,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14 WrapperNode [2024-11-28 03:44:14,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:44:14,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:44:14,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:44:14,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:44:14,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2024-11-28 03:44:14,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2024-11-28 03:44:14,431 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 214 [2024-11-28 03:44:14,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:44:14,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:44:14,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:44:14,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:44:14,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2024-11-28 03:44:14,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2024-11-28 03:44:14,446 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2024-11-28 03:44:14,463 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 03:44:14,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2024-11-28 03:44:14,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2024-11-28 03:44:14,472 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2024-11-28 03:44:14,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2024-11-28 03:44:14,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2024-11-28 03:44:14,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2024-11-28 03:44:14,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2024-11-28 03:44:14,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:44:14,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:44:14,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:44:14,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:44:14,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2024-11-28 03:44:14,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:44:14,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:44:14,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:44:14,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:44:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:44:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:44:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:44:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:44:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:44:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:44:14,673 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:44:14,675 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:44:15,196 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 03:44:15,196 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:44:15,211 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:44:15,211 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:44:15,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:15 BoogieIcfgContainer [2024-11-28 03:44:15,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:44:15,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:44:15,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:44:15,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:44:15,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:44:13" (1/3) ... [2024-11-28 03:44:15,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f64187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:15, skipping insertion in model container [2024-11-28 03:44:15,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (2/3) ... [2024-11-28 03:44:15,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f64187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:15, skipping insertion in model container [2024-11-28 03:44:15,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:15" (3/3) ... [2024-11-28 03:44:15,224 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i [2024-11-28 03:44:15,243 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:44:15,246 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i that has 2 procedures, 95 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:44:15,317 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:44:15,333 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;@1ff5f6bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:44:15,333 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:44:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 62 states have internal predecessors, (88), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-28 03:44:15,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-28 03:44:15,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:44:15,358 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:15,358 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:44:15,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:15,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1613459537, now seen corresponding path program 1 times [2024-11-28 03:44:15,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:44:15,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301898238] [2024-11-28 03:44:15,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:15,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:44:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:15,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2024-11-28 03:44:15,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:44:15,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301898238] [2024-11-28 03:44:15,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301898238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:44:15,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059419464] [2024-11-28 03:44:15,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:15,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:44:15,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:44:15,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:44:15,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:44:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:16,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:44:16,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:44:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2024-11-28 03:44:16,235 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:44:16,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059419464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:44:16,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:44:16,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:44:16,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242106910] [2024-11-28 03:44:16,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:44:16,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:44:16,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:44:16,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:44:16,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:44:16,279 INFO L87 Difference]: Start difference. First operand has 95 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 62 states have internal predecessors, (88), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 03:44:16,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:44:16,329 INFO L93 Difference]: Finished difference Result 180 states and 319 transitions. [2024-11-28 03:44:16,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:44:16,334 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 196 [2024-11-28 03:44:16,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:44:16,342 INFO L225 Difference]: With dead ends: 180 [2024-11-28 03:44:16,342 INFO L226 Difference]: Without dead ends: 88 [2024-11-28 03:44:16,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 197 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 03:44:16,355 INFO L435 NwaCegarLoop]: 136 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, 136 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 03:44:16,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:44:16,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-28 03:44:16,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-28 03:44:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 55 states have internal predecessors, (74), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-28 03:44:16,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 136 transitions. [2024-11-28 03:44:16,416 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 136 transitions. Word has length 196 [2024-11-28 03:44:16,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:44:16,417 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 136 transitions. [2024-11-28 03:44:16,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 03:44:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 136 transitions. [2024-11-28 03:44:16,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-28 03:44:16,421 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:44:16,421 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:16,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:44:16,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:44:16,622 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:44:16,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:16,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1573145303, now seen corresponding path program 1 times [2024-11-28 03:44:16,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:44:16,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166559026] [2024-11-28 03:44:16,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:16,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:44:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 03:44:17,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:44:17,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166559026] [2024-11-28 03:44:17,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166559026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:44:17,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:44:17,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:44:17,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733254910] [2024-11-28 03:44:17,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:44:17,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:44:17,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:44:17,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:44:17,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:44:17,273 INFO L87 Difference]: Start difference. First operand 88 states and 136 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 03:44:17,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:44:17,614 INFO L93 Difference]: Finished difference Result 224 states and 347 transitions. [2024-11-28 03:44:17,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:44:17,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2024-11-28 03:44:17,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:44:17,620 INFO L225 Difference]: With dead ends: 224 [2024-11-28 03:44:17,621 INFO L226 Difference]: Without dead ends: 139 [2024-11-28 03:44:17,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:44:17,625 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 69 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:44:17,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 402 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:44:17,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-28 03:44:17,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 136. [2024-11-28 03:44:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 84 states have (on average 1.3095238095238095) internal successors, (110), 85 states have internal predecessors, (110), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-28 03:44:17,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 208 transitions. [2024-11-28 03:44:17,665 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 208 transitions. Word has length 196 [2024-11-28 03:44:17,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:44:17,669 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 208 transitions. [2024-11-28 03:44:17,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 03:44:17,670 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 208 transitions. [2024-11-28 03:44:17,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-28 03:44:17,676 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:44:17,679 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:17,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:44:17,679 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:44:17,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:17,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1180118293, now seen corresponding path program 1 times [2024-11-28 03:44:17,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:44:17,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909203832] [2024-11-28 03:44:17,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:17,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:44:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:18,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 03:44:18,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:44:18,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909203832] [2024-11-28 03:44:18,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909203832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:44:18,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:44:18,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:44:18,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061763103] [2024-11-28 03:44:18,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:44:18,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:44:18,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:44:18,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:44:18,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:44:18,209 INFO L87 Difference]: Start difference. First operand 136 states and 208 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 03:44:18,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:44:18,503 INFO L93 Difference]: Finished difference Result 372 states and 571 transitions. [2024-11-28 03:44:18,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:44:18,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2024-11-28 03:44:18,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:44:18,511 INFO L225 Difference]: With dead ends: 372 [2024-11-28 03:44:18,511 INFO L226 Difference]: Without dead ends: 239 [2024-11-28 03:44:18,512 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 03:44:18,513 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 97 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:44:18,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 383 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:44:18,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-28 03:44:18,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 191. [2024-11-28 03:44:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 107 states have (on average 1.2429906542056075) internal successors, (133), 108 states have internal predecessors, (133), 80 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-28 03:44:18,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 293 transitions. [2024-11-28 03:44:18,593 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 293 transitions. Word has length 196 [2024-11-28 03:44:18,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:44:18,595 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 293 transitions. [2024-11-28 03:44:18,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 03:44:18,595 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 293 transitions. [2024-11-28 03:44:18,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-28 03:44:18,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:44:18,599 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:18,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:44:18,600 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:44:18,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:18,601 INFO L85 PathProgramCache]: Analyzing trace with hash -508825449, now seen corresponding path program 1 times [2024-11-28 03:44:18,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:44:18,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665291654] [2024-11-28 03:44:18,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:18,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:44:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:19,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 03:44:19,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:44:19,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665291654] [2024-11-28 03:44:19,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665291654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:44:19,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:44:19,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:44:19,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119940539] [2024-11-28 03:44:19,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:44:19,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:44:19,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:44:19,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:44:19,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:44:19,052 INFO L87 Difference]: Start difference. First operand 191 states and 293 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 03:44:19,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:44:19,256 INFO L93 Difference]: Finished difference Result 404 states and 621 transitions. [2024-11-28 03:44:19,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:44:19,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2024-11-28 03:44:19,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:44:19,264 INFO L225 Difference]: With dead ends: 404 [2024-11-28 03:44:19,264 INFO L226 Difference]: Without dead ends: 271 [2024-11-28 03:44:19,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 03:44:19,266 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 155 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:44:19,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 441 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:44:19,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-28 03:44:19,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 209. [2024-11-28 03:44:19,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 125 states have (on average 1.296) internal successors, (162), 126 states have internal predecessors, (162), 80 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-28 03:44:19,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 322 transitions. [2024-11-28 03:44:19,329 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 322 transitions. Word has length 196 [2024-11-28 03:44:19,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:44:19,331 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 322 transitions. [2024-11-28 03:44:19,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 03:44:19,332 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 322 transitions. [2024-11-28 03:44:19,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-28 03:44:19,336 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:44:19,336 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:19,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:44:19,336 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:44:19,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:19,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1791997141, now seen corresponding path program 1 times [2024-11-28 03:44:19,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:44:19,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007886970] [2024-11-28 03:44:19,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:19,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:44:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:19,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 24 proven. 66 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-28 03:44:19,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:44:19,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007886970] [2024-11-28 03:44:19,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007886970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:44:19,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209988713] [2024-11-28 03:44:19,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:19,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:44:19,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:44:19,876 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:44:19,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:44:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:20,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:44:20,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:44:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 926 proven. 60 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-11-28 03:44:21,164 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:44:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-28 03:44:21,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209988713] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:44:21,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:44:21,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2024-11-28 03:44:21,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650790728] [2024-11-28 03:44:21,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:44:21,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:44:21,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:44:21,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:44:21,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:44:21,619 INFO L87 Difference]: Start difference. First operand 209 states and 322 transitions. Second operand has 13 states, 13 states have (on average 8.23076923076923) internal successors, (107), 12 states have internal predecessors, (107), 7 states have call successors, (73), 3 states have call predecessors, (73), 5 states have return successors, (75), 7 states have call predecessors, (75), 7 states have call successors, (75) [2024-11-28 03:44:22,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:44:22,608 INFO L93 Difference]: Finished difference Result 505 states and 731 transitions. [2024-11-28 03:44:22,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 03:44:22,609 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.23076923076923) internal successors, (107), 12 states have internal predecessors, (107), 7 states have call successors, (73), 3 states have call predecessors, (73), 5 states have return successors, (75), 7 states have call predecessors, (75), 7 states have call successors, (75) Word has length 196 [2024-11-28 03:44:22,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:44:22,613 INFO L225 Difference]: With dead ends: 505 [2024-11-28 03:44:22,614 INFO L226 Difference]: Without dead ends: 359 [2024-11-28 03:44:22,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=303, Invalid=689, Unknown=0, NotChecked=0, Total=992 [2024-11-28 03:44:22,617 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 400 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:44:22,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 313 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:44:22,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-28 03:44:22,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 345. [2024-11-28 03:44:22,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 228 states have (on average 1.25) internal successors, (285), 231 states have internal predecessors, (285), 100 states have call successors, (100), 16 states have call predecessors, (100), 16 states have return successors, (100), 97 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-28 03:44:22,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 485 transitions. [2024-11-28 03:44:22,697 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 485 transitions. Word has length 196 [2024-11-28 03:44:22,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:44:22,698 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 485 transitions. [2024-11-28 03:44:22,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.23076923076923) internal successors, (107), 12 states have internal predecessors, (107), 7 states have call successors, (73), 3 states have call predecessors, (73), 5 states have return successors, (75), 7 states have call predecessors, (75), 7 states have call successors, (75) [2024-11-28 03:44:22,699 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 485 transitions. [2024-11-28 03:44:22,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-28 03:44:22,704 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:44:22,704 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:22,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:44:22,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:44:22,908 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:44:22,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:22,909 INFO L85 PathProgramCache]: Analyzing trace with hash -727962793, now seen corresponding path program 1 times [2024-11-28 03:44:22,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:44:22,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107143851] [2024-11-28 03:44:22,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:22,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:44:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:23,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 24 proven. 66 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-28 03:44:23,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:44:23,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107143851] [2024-11-28 03:44:23,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107143851] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:44:23,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051852148] [2024-11-28 03:44:23,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:23,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:44:23,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:44:23,443 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:44:23,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:44:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:23,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:44:23,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:44:24,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 120 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2024-11-28 03:44:24,498 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:44:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 54 proven. 123 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2024-11-28 03:44:25,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051852148] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:44:25,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:44:25,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-11-28 03:44:25,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223157625] [2024-11-28 03:44:25,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:44:25,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 03:44:25,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:44:25,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 03:44:25,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:44:25,078 INFO L87 Difference]: Start difference. First operand 345 states and 485 transitions. Second operand has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 17 states have internal predecessors, (105), 6 states have call successors, (75), 3 states have call predecessors, (75), 7 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) [2024-11-28 03:44:25,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:44:25,965 INFO L93 Difference]: Finished difference Result 532 states and 729 transitions. [2024-11-28 03:44:25,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:44:25,968 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 17 states have internal predecessors, (105), 6 states have call successors, (75), 3 states have call predecessors, (75), 7 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) Word has length 196 [2024-11-28 03:44:25,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:44:25,970 INFO L225 Difference]: With dead ends: 532 [2024-11-28 03:44:25,971 INFO L226 Difference]: Without dead ends: 275 [2024-11-28 03:44:25,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:44:25,974 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 107 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:44:25,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 312 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:44:25,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-28 03:44:26,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 234. [2024-11-28 03:44:26,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 150 states have (on average 1.2) internal successors, (180), 151 states have internal predecessors, (180), 70 states have call successors, (70), 13 states have call predecessors, (70), 13 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-28 03:44:26,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 320 transitions. [2024-11-28 03:44:26,061 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 320 transitions. Word has length 196 [2024-11-28 03:44:26,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:44:26,062 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 320 transitions. [2024-11-28 03:44:26,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 17 states have internal predecessors, (105), 6 states have call successors, (75), 3 states have call predecessors, (75), 7 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) [2024-11-28 03:44:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 320 transitions. [2024-11-28 03:44:26,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-28 03:44:26,065 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:44:26,065 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:26,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:44:26,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 03:44:26,270 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:44:26,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:26,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1921785502, now seen corresponding path program 1 times [2024-11-28 03:44:26,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:44:26,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921628102] [2024-11-28 03:44:26,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:26,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:44:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 69 proven. 21 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-28 03:44:26,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:44:26,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921628102] [2024-11-28 03:44:26,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921628102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:44:26,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247510934] [2024-11-28 03:44:26,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:26,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:44:26,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:44:26,555 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:44:26,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:44:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:26,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:44:26,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:44:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 720 proven. 21 refuted. 0 times theorem prover too weak. 1119 trivial. 0 not checked. [2024-11-28 03:44:26,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:44:27,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 69 proven. 21 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-28 03:44:27,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247510934] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:44:27,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:44:27,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-28 03:44:27,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447735863] [2024-11-28 03:44:27,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:44:27,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:44:27,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:44:27,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:44:27,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:44:27,093 INFO L87 Difference]: Start difference. First operand 234 states and 320 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 03:44:27,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:44:27,411 INFO L93 Difference]: Finished difference Result 403 states and 546 transitions. [2024-11-28 03:44:27,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:44:27,412 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 198 [2024-11-28 03:44:27,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:44:27,420 INFO L225 Difference]: With dead ends: 403 [2024-11-28 03:44:27,420 INFO L226 Difference]: Without dead ends: 252 [2024-11-28 03:44:27,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 393 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:44:27,421 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 132 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:44:27,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 221 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:44:27,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-28 03:44:27,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 242. [2024-11-28 03:44:27,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 156 states have (on average 1.1794871794871795) internal successors, (184), 157 states have internal predecessors, (184), 70 states have call successors, (70), 15 states have call predecessors, (70), 15 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-28 03:44:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 324 transitions. [2024-11-28 03:44:27,478 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 324 transitions. Word has length 198 [2024-11-28 03:44:27,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:44:27,479 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 324 transitions. [2024-11-28 03:44:27,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 03:44:27,479 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 324 transitions. [2024-11-28 03:44:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-28 03:44:27,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:44:27,484 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:27,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:44:27,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 03:44:27,688 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:44:27,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:27,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1352113440, now seen corresponding path program 1 times [2024-11-28 03:44:27,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:44:27,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466631945] [2024-11-28 03:44:27,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:27,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:44:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:28,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-28 03:44:28,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:44:28,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466631945] [2024-11-28 03:44:28,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466631945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:44:28,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035546839] [2024-11-28 03:44:28,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:28,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:44:28,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:44:28,157 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:44:28,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:44:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:28,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 03:44:28,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:44:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1161 proven. 222 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-11-28 03:44:29,384 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:44:29,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 84 proven. 93 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2024-11-28 03:44:29,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035546839] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:44:29,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:44:29,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 9] total 21 [2024-11-28 03:44:29,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409741723] [2024-11-28 03:44:29,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:44:29,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 03:44:29,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:44:29,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 03:44:29,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2024-11-28 03:44:29,911 INFO L87 Difference]: Start difference. First operand 242 states and 324 transitions. Second operand has 21 states, 21 states have (on average 5.857142857142857) internal successors, (123), 21 states have internal predecessors, (123), 7 states have call successors, (71), 4 states have call predecessors, (71), 8 states have return successors, (73), 7 states have call predecessors, (73), 7 states have call successors, (73) [2024-11-28 03:44:31,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:44:31,617 INFO L93 Difference]: Finished difference Result 562 states and 743 transitions. [2024-11-28 03:44:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-28 03:44:31,618 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 5.857142857142857) internal successors, (123), 21 states have internal predecessors, (123), 7 states have call successors, (71), 4 states have call predecessors, (71), 8 states have return successors, (73), 7 states have call predecessors, (73), 7 states have call successors, (73) Word has length 198 [2024-11-28 03:44:31,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:44:31,622 INFO L225 Difference]: With dead ends: 562 [2024-11-28 03:44:31,622 INFO L226 Difference]: Without dead ends: 419 [2024-11-28 03:44:31,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=670, Invalid=1586, Unknown=0, NotChecked=0, Total=2256 [2024-11-28 03:44:31,624 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 323 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:44:31,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 470 Invalid, 1064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:44:31,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-28 03:44:31,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 363. [2024-11-28 03:44:31,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 235 states have (on average 1.1617021276595745) internal successors, (273), 236 states have internal predecessors, (273), 101 states have call successors, (101), 26 states have call predecessors, (101), 26 states have return successors, (101), 100 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-28 03:44:31,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 475 transitions. [2024-11-28 03:44:31,704 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 475 transitions. Word has length 198 [2024-11-28 03:44:31,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:44:31,704 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 475 transitions. [2024-11-28 03:44:31,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.857142857142857) internal successors, (123), 21 states have internal predecessors, (123), 7 states have call successors, (71), 4 states have call predecessors, (71), 8 states have return successors, (73), 7 states have call predecessors, (73), 7 states have call successors, (73) [2024-11-28 03:44:31,705 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 475 transitions. [2024-11-28 03:44:31,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-28 03:44:31,708 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:44:31,709 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:31,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:44:31,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:44:31,910 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:44:31,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:31,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1409371742, now seen corresponding path program 1 times [2024-11-28 03:44:31,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:44:31,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376191404] [2024-11-28 03:44:31,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:31,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:44:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:44:32,009 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:44:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:44:32,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:44:32,195 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:44:32,196 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:44:32,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:44:32,201 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:44:32,339 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:44:32,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:44:32 BoogieIcfgContainer [2024-11-28 03:44:32,343 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:44:32,344 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:44:32,344 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:44:32,344 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:44:32,345 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:15" (3/4) ... [2024-11-28 03:44:32,349 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:44:32,350 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:44:32,351 INFO L158 Benchmark]: Toolchain (without parser) took 18376.13ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.6MB in the beginning and 165.4MB in the end (delta: -46.8MB). Peak memory consumption was 237.1MB. Max. memory is 16.1GB. [2024-11-28 03:44:32,351 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:44:32,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.56ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 103.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:44:32,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.09ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 99.4MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:44:32,352 INFO L158 Benchmark]: Boogie Preprocessor took 51.68ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 94.1MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:44:32,352 INFO L158 Benchmark]: RCFGBuilder took 726.34ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 68.3MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:44:32,353 INFO L158 Benchmark]: TraceAbstraction took 17128.48ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 67.6MB in the beginning and 165.5MB in the end (delta: -97.9MB). Peak memory consumption was 186.7MB. Max. memory is 16.1GB. [2024-11-28 03:44:32,353 INFO L158 Benchmark]: Witness Printer took 6.74ms. Allocated memory is still 427.8MB. Free memory was 165.5MB in the beginning and 165.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:44:32,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.56ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 103.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.09ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 99.4MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.68ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 94.1MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 726.34ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 68.3MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17128.48ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 67.6MB in the beginning and 165.5MB in the end (delta: -97.9MB). Peak memory consumption was 186.7MB. Max. memory is 16.1GB. * Witness Printer took 6.74ms. Allocated memory is still 427.8MB. Free memory was 165.5MB in the beginning and 165.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 179, overapproximation of someBinaryDOUBLEComparisonOperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 167, overapproximation of someBinaryDOUBLEComparisonOperation at line 179. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 16; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 1; [L25] signed char var_1_8 = -10; [L26] unsigned short int var_1_9 = 4; [L27] signed char var_1_10 = 8; [L28] unsigned short int var_1_12 = 64314; [L29] unsigned short int var_1_13 = 26169; [L30] signed char var_1_17 = 50; [L31] signed char var_1_18 = 16; [L32] signed char var_1_19 = 5; [L33] signed char var_1_20 = 0; [L34] signed char var_1_21 = 50; [L35] signed char var_1_22 = 16; [L36] unsigned char var_1_23 = 16; [L37] unsigned char var_1_24 = 1; [L38] unsigned char var_1_25 = 0; [L39] double var_1_27 = 0.25; [L40] double var_1_28 = 10.25; [L41] double var_1_29 = 1000.25; [L42] double var_1_30 = 9.5; [L43] float var_1_31 = 63.5; [L44] unsigned short int var_1_32 = 16; [L45] unsigned char var_1_40 = 1; [L46] unsigned char var_1_43 = 0; [L47] signed long int var_1_44 = -4; [L48] unsigned long int var_1_46 = 4; [L49] unsigned long int var_1_49 = 3576445681; [L50] double var_1_50 = 32.5; [L51] signed long int var_1_52 = -1; [L52] unsigned short int var_1_53 = 64; [L53] unsigned short int last_1_var_1_9 = 4; VAL [isInitial=0, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=0, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L183] isInitial = 1 [L184] FCALL initially() [L186] CALL updateLastVariables() [L176] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=0, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L186] RET updateLastVariables() [L187] CALL updateVariables() [L126] var_1_4 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L127] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L128] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L128] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L129] var_1_6 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_8=-10, var_1_9=4] [L130] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_8=-10, var_1_9=4] [L131] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L131] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L132] var_1_8 = __VERIFIER_nondet_char() [L133] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L133] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L134] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L134] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L135] var_1_10 = __VERIFIER_nondet_char() [L136] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L136] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L137] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L137] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L138] var_1_12 = __VERIFIER_nondet_ushort() [L139] CALL assume_abort_if_not(var_1_12 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L139] RET assume_abort_if_not(var_1_12 >= 49150) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L140] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L140] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L141] var_1_13 = __VERIFIER_nondet_ushort() [L142] CALL assume_abort_if_not(var_1_13 >= 24575) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L142] RET assume_abort_if_not(var_1_13 >= 24575) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L143] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L143] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L144] var_1_18 = __VERIFIER_nondet_char() [L145] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L145] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L146] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L146] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L147] var_1_19 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_19 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L148] RET assume_abort_if_not(var_1_19 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L149] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L149] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L150] var_1_20 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L151] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L152] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L152] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L153] var_1_21 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_21 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L154] RET assume_abort_if_not(var_1_21 >= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L155] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L155] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L156] var_1_22 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L157] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L158] CALL assume_abort_if_not(var_1_22 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L158] RET assume_abort_if_not(var_1_22 <= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L159] var_1_25 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L160] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L161] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L161] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L162] var_1_28 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L163] RET assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L164] var_1_29 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L165] RET assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L166] var_1_30 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L167] RET assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L168] var_1_43 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_43 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L169] RET assume_abort_if_not(var_1_43 >= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L170] CALL assume_abort_if_not(var_1_43 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L170] RET assume_abort_if_not(var_1_43 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L171] var_1_49 = __VERIFIER_nondet_ulong() [L172] CALL assume_abort_if_not(var_1_49 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L172] RET assume_abort_if_not(var_1_49 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L173] CALL assume_abort_if_not(var_1_49 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L173] RET assume_abort_if_not(var_1_49 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L187] RET updateVariables() [L188] CALL step() [L57] COND FALSE !((- last_1_var_1_9) < (last_1_var_1_9 + -500)) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L60] COND FALSE !(var_1_21 <= var_1_9) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=50, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L63] var_1_50 = var_1_30 [L64] var_1_17 = (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22))) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=3576445687, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L65] COND TRUE (var_1_13 <= var_1_12) || var_1_25 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=3576445687, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L66] COND TRUE ((((5) < 0 ) ? -(5) : (5))) < var_1_13 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=3576445687, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L67] COND FALSE !(\read(var_1_25)) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=3576445687, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-127, var_1_9=4] [L72] var_1_53 = var_1_22 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=3576445687, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=-1, var_1_53=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L73] COND TRUE \read(var_1_4) [L74] var_1_24 = (! var_1_25) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=3576445687, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=-1, var_1_53=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L78] var_1_31 = var_1_30 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=16, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=3576445687, var_1_31=3576445687, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=-1, var_1_53=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L79] COND FALSE !(var_1_23 < var_1_23) [L90] var_1_1 = var_1_8 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=-127, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=3576445687, var_1_31=3576445687, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=-1, var_1_53=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L92] EXPR (~ var_1_21) >> ((((var_1_22) > (var_1_22)) ? (var_1_22) : (var_1_22))) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=-127, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=3576445687, var_1_31=3576445687, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=-1, var_1_53=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L92] COND FALSE !(((~ var_1_21) >> ((((var_1_22) > (var_1_22)) ? (var_1_22) : (var_1_22)))) >= var_1_12) [L95] signed char stepLocal_0 = var_1_1; VAL [isInitial=1, last_1_var_1_9=4, stepLocal_0=-127, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=-127, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=3576445687, var_1_31=3576445687, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=-1, var_1_53=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L96] COND FALSE !(stepLocal_0 < (-1 - var_1_10)) [L103] var_1_9 = var_1_13 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=-127, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=3576445687, var_1_31=3576445687, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=-1, var_1_53=0, var_1_6=1, var_1_8=-127, var_1_9=24575] [L105] COND FALSE !((~ var_1_18) > var_1_13) [L108] var_1_52 = ((((var_1_10) < (var_1_21)) ? (var_1_10) : (var_1_21))) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=-127, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=3576445687, var_1_31=3576445687, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=31, var_1_53=0, var_1_6=1, var_1_8=-127, var_1_9=24575] [L110] COND FALSE !(var_1_9 < (var_1_21 + var_1_23)) [L113] var_1_27 = var_1_28 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=-127, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=3576445686, var_1_28=3576445686, var_1_30=3576445687, var_1_31=3576445687, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=31, var_1_53=0, var_1_6=1, var_1_8=-127, var_1_9=24575] [L115] COND FALSE !(((((4) < 0 ) ? -(4) : (4))) >= var_1_21) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=-127, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=3576445686, var_1_28=3576445686, var_1_30=3576445687, var_1_31=3576445687, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=31, var_1_53=0, var_1_6=1, var_1_8=-127, var_1_9=24575] [L188] RET step() [L189] CALL, EXPR property() [L179-L180] return (((((((var_1_23 < var_1_23) ? ((var_1_24 && var_1_24) ? (var_1_24 ? ((var_1_24 && (var_1_24 || var_1_24)) ? (var_1_1 == ((signed char) -5)) : 1) : 1) : (var_1_1 == ((signed char) var_1_8))) : (var_1_1 == ((signed char) var_1_8))) && ((var_1_1 < (-1 - var_1_10)) ? (var_1_24 ? (var_1_9 == ((unsigned short int) (var_1_10 + ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))))) : (var_1_9 == ((unsigned short int) ((var_1_12 - var_1_10) - ((var_1_13 - var_1_23) - ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))))))) : (var_1_9 == ((unsigned short int) var_1_13)))) && (var_1_17 == ((signed char) (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22)))))) && (((- last_1_var_1_9) < (last_1_var_1_9 + -500)) ? (var_1_23 == ((unsigned char) var_1_20)) : 1)) && (var_1_4 ? (var_1_24 == ((unsigned char) (! var_1_25))) : (var_1_24 == ((unsigned char) (var_1_6 && ((var_1_10 >= var_1_17) && var_1_25)))))) && ((var_1_9 < (var_1_21 + var_1_23)) ? (var_1_27 == ((double) ((var_1_28 + var_1_29) + var_1_30))) : (var_1_27 == ((double) var_1_28)))) && (var_1_31 == ((float) var_1_30)) ; VAL [\result=0, isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=-127, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=3576445686, var_1_28=3576445686, var_1_30=3576445687, var_1_31=3576445687, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=31, var_1_53=0, var_1_6=1, var_1_8=-127, var_1_9=24575] [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=-127, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=3576445686, var_1_28=3576445686, var_1_30=3576445687, var_1_31=3576445687, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=31, var_1_53=0, var_1_6=1, var_1_8=-127, var_1_9=24575] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=4, var_1_10=126, var_1_12=-1618739202, var_1_13=24575, var_1_17=-1, var_1_18=126, var_1_19=30, var_1_1=-127, var_1_20=0, var_1_21=31, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=3576445686, var_1_28=3576445686, var_1_30=3576445687, var_1_31=3576445687, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3576445687, var_1_52=31, var_1_53=0, var_1_6=1, var_1_8=-127, var_1_9=24575] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.9s, OverallIterations: 9, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1319 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1283 mSDsluCounter, 2678 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1655 mSDsCounter, 557 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2281 IncrementalHoareTripleChecker+Invalid, 2838 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 557 mSolverCounterUnsat, 1023 mSDtfsCounter, 2281 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1884 GetRequests, 1767 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=363occurred in iteration=8, InterpolantAutomatonStates: 103, 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, 8 MinimizatonAttempts, 234 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 2754 NumberOfCodeBlocks, 2754 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3327 ConstructedInterpolants, 0 QuantifiedInterpolants, 10423 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2214 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 17 InterpolantComputations, 4 PerfectInterpolantSequences, 30627/31620 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 03:44:32,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 8725ca15b6ba01e824b857cb643dcbf1a334f302cf4671dbc0203866c02c86e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:44:35,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:44:35,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:44:35,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:44:35,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:44:35,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:44:35,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:44:35,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:44:35,382 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:44:35,383 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:44:35,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:44:35,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:44:35,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:44:35,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:44:35,385 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:44:35,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:44:35,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:44:35,385 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:44:35,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:44:35,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:44:35,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:44:35,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:44:35,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:44:35,386 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:44:35,387 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:44:35,387 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:44:35,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:44:35,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:44:35,388 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:44:35,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:44:35,388 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:44:35,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:44:35,388 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:44:35,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:44:35,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:44:35,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:44:35,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:44:35,388 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:44:35,389 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:44:35,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:44:35,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:44:35,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:44:35,389 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:44:35,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:44:35,389 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:44:35,389 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:44:35,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:44:35,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:44:35,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:44:35,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:44:35,389 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_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 -> 8725ca15b6ba01e824b857cb643dcbf1a334f302cf4671dbc0203866c02c86e4 [2024-11-28 03:44:35,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:44:35,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:44:35,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:44:35,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:44:35,796 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:44:35,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i [2024-11-28 03:44:38,982 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/data/3b2ec14f6/03598152f9f44718b36dd4ae07757a2e/FLAG1d9ecd5a0 [2024-11-28 03:44:39,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:44:39,304 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i [2024-11-28 03:44:39,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/data/3b2ec14f6/03598152f9f44718b36dd4ae07757a2e/FLAG1d9ecd5a0 [2024-11-28 03:44:39,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/data/3b2ec14f6/03598152f9f44718b36dd4ae07757a2e [2024-11-28 03:44:39,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:44:39,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:44:39,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:44:39,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:44:39,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:44:39,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9ab14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39, skipping insertion in model container [2024-11-28 03:44:39,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:44:39,545 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_e307c505-dd52-4ef5-b30f-df70e7699c8d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i[919,932] [2024-11-28 03:44:39,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:44:39,666 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:44:39,679 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_e307c505-dd52-4ef5-b30f-df70e7699c8d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i[919,932] [2024-11-28 03:44:39,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:44:39,782 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:44:39,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39 WrapperNode [2024-11-28 03:44:39,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:44:39,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:44:39,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:44:39,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:44:39,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,857 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2024-11-28 03:44:39,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:44:39,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:44:39,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:44:39,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:44:39,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,905 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 03:44:39,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,924 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:44:39,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:44:39,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:44:39,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:44:39,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (1/1) ... [2024-11-28 03:44:39,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:44:39,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:44:39,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:44:39,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:44:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:44:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:44:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:44:40,027 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:44:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:44:40,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:44:40,134 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:44:40,135 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:44:44,008 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 03:44:44,008 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:44:44,019 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:44:44,020 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:44:44,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:44 BoogieIcfgContainer [2024-11-28 03:44:44,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:44:44,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:44:44,023 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:44:44,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:44:44,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:44:39" (1/3) ... [2024-11-28 03:44:44,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7310d860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:44, skipping insertion in model container [2024-11-28 03:44:44,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:39" (2/3) ... [2024-11-28 03:44:44,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7310d860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:44, skipping insertion in model container [2024-11-28 03:44:44,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:44" (3/3) ... [2024-11-28 03:44:44,031 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i [2024-11-28 03:44:44,046 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:44:44,048 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-96.i that has 2 procedures, 89 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:44:44,117 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:44:44,132 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;@7e6858e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:44:44,132 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:44:44,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-28 03:44:44,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-28 03:44:44,154 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:44:44,155 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:44,155 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:44:44,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:44,162 INFO L85 PathProgramCache]: Analyzing trace with hash -710452246, now seen corresponding path program 1 times [2024-11-28 03:44:44,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:44:44,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275598092] [2024-11-28 03:44:44,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:44,177 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 03:44:44,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:44:44,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:44:44,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:44:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:44,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:44:44,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:44:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 704 proven. 0 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-28 03:44:44,701 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:44:44,702 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:44:44,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [275598092] [2024-11-28 03:44:44,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [275598092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:44:44,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:44:44,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:44:44,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333138023] [2024-11-28 03:44:44,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:44:44,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:44:44,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:44:44,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:44:44,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:44:44,731 INFO L87 Difference]: Start difference. First operand has 89 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 03:44:44,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:44:44,763 INFO L93 Difference]: Finished difference Result 168 states and 299 transitions. [2024-11-28 03:44:44,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:44:44,765 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 195 [2024-11-28 03:44:44,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:44:44,773 INFO L225 Difference]: With dead ends: 168 [2024-11-28 03:44:44,773 INFO L226 Difference]: Without dead ends: 82 [2024-11-28 03:44:44,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 194 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 03:44:44,780 INFO L435 NwaCegarLoop]: 126 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, 126 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 03:44:44,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:44:44,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-28 03:44:44,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-28 03:44:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 49 states have internal predecessors, (64), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-28 03:44:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 126 transitions. [2024-11-28 03:44:44,842 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 126 transitions. Word has length 195 [2024-11-28 03:44:44,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:44:44,844 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 126 transitions. [2024-11-28 03:44:44,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 03:44:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2024-11-28 03:44:44,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-28 03:44:44,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:44:44,852 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:44,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:44:45,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:44:45,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:44:45,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:45,054 INFO L85 PathProgramCache]: Analyzing trace with hash 535173284, now seen corresponding path program 1 times [2024-11-28 03:44:45,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:44:45,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376855074] [2024-11-28 03:44:45,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:45,057 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 03:44:45,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:44:45,061 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:44:45,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:44:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:45,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:44:45,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:44:46,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 03:44:46,761 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:44:46,761 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:44:46,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376855074] [2024-11-28 03:44:46,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376855074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:44:46,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:44:46,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:44:46,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239129439] [2024-11-28 03:44:46,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:44:46,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:44:46,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:44:46,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:44:46,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:44:46,764 INFO L87 Difference]: Start difference. First operand 82 states and 126 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 03:44:48,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:44:49,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:44:52,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:44:52,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:44:52,650 INFO L93 Difference]: Finished difference Result 241 states and 373 transitions. [2024-11-28 03:44:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:44:52,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2024-11-28 03:44:52,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:44:52,673 INFO L225 Difference]: With dead ends: 241 [2024-11-28 03:44:52,674 INFO L226 Difference]: Without dead ends: 162 [2024-11-28 03:44:52,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 192 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 03:44:52,678 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 81 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:44:52,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 353 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-11-28 03:44:52,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-28 03:44:52,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 137. [2024-11-28 03:44:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 72 states have (on average 1.2083333333333333) internal successors, (87), 72 states have internal predecessors, (87), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-28 03:44:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 211 transitions. [2024-11-28 03:44:52,735 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 211 transitions. Word has length 195 [2024-11-28 03:44:52,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:44:52,736 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 211 transitions. [2024-11-28 03:44:52,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 03:44:52,738 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 211 transitions. [2024-11-28 03:44:52,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-28 03:44:52,742 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:44:52,742 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:52,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:44:52,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:44:52,943 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:44:52,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:52,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1458971422, now seen corresponding path program 1 times [2024-11-28 03:44:52,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:44:52,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1782562482] [2024-11-28 03:44:52,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:52,945 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 03:44:52,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:44:52,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:44:52,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:44:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:53,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:44:53,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:44:55,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 120 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2024-11-28 03:44:55,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:44:56,122 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:44:56,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1782562482] [2024-11-28 03:44:56,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1782562482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:44:56,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [77530040] [2024-11-28 03:44:56,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:44:56,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:44:56,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:44:56,126 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:44:56,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-28 03:44:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:57,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:44:57,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:44:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 03:44:57,177 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:44:57,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [77530040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:44:57,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:44:57,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-28 03:44:57,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542684397] [2024-11-28 03:44:57,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:44:57,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:44:57,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:44:57,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:44:57,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:44:57,180 INFO L87 Difference]: Start difference. First operand 137 states and 211 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 03:44:59,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:45:02,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:45:02,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:45:02,248 INFO L93 Difference]: Finished difference Result 262 states and 403 transitions. [2024-11-28 03:45:02,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:45:02,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2024-11-28 03:45:02,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:45:02,253 INFO L225 Difference]: With dead ends: 262 [2024-11-28 03:45:02,253 INFO L226 Difference]: Without dead ends: 183 [2024-11-28 03:45:02,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:45:02,255 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 62 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:45:02,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 282 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-28 03:45:02,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-28 03:45:02,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2024-11-28 03:45:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 96 states have (on average 1.2083333333333333) internal successors, (116), 97 states have internal predecessors, (116), 80 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-28 03:45:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 276 transitions. [2024-11-28 03:45:02,308 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 276 transitions. Word has length 195 [2024-11-28 03:45:02,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:45:02,309 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 276 transitions. [2024-11-28 03:45:02,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 03:45:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 276 transitions. [2024-11-28 03:45:02,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-28 03:45:02,315 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:45:02,315 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:02,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:45:02,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:45:02,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 03:45:02,716 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:45:02,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:02,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1851998432, now seen corresponding path program 1 times [2024-11-28 03:45:02,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:45:02,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725725130] [2024-11-28 03:45:02,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:02,718 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 03:45:02,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:45:02,721 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:45:02,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:45:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:03,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:45:03,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:45:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 120 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2024-11-28 03:45:04,917 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:45:05,569 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:45:05,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725725130] [2024-11-28 03:45:05,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725725130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:45:05,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2067740198] [2024-11-28 03:45:05,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:05,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:45:05,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:45:05,572 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:45:05,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-28 03:45:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:06,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:45:06,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:45:07,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 03:45:07,680 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:45:07,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2067740198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:45:07,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:45:07,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-11-28 03:45:07,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192863107] [2024-11-28 03:45:07,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:45:07,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:45:07,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:45:07,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:45:07,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:45:07,684 INFO L87 Difference]: Start difference. First operand 180 states and 276 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 03:45:09,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:45:10,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:45:13,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:45:13,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:45:13,678 INFO L93 Difference]: Finished difference Result 372 states and 571 transitions. [2024-11-28 03:45:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:45:13,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2024-11-28 03:45:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:45:13,689 INFO L225 Difference]: With dead ends: 372 [2024-11-28 03:45:13,692 INFO L226 Difference]: Without dead ends: 250 [2024-11-28 03:45:13,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:45:13,694 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 109 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:45:13,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 432 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-28 03:45:13,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-28 03:45:13,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 196. [2024-11-28 03:45:13,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 112 states have (on average 1.2678571428571428) internal successors, (142), 113 states have internal predecessors, (142), 80 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-28 03:45:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 302 transitions. [2024-11-28 03:45:13,761 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 302 transitions. Word has length 195 [2024-11-28 03:45:13,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:45:13,764 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 302 transitions. [2024-11-28 03:45:13,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 03:45:13,765 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 302 transitions. [2024-11-28 03:45:13,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-28 03:45:13,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:45:13,769 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:13,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:45:13,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-28 03:45:14,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 03:45:14,170 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:45:14,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:14,170 INFO L85 PathProgramCache]: Analyzing trace with hash 854620962, now seen corresponding path program 1 times [2024-11-28 03:45:14,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:45:14,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943164918] [2024-11-28 03:45:14,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:14,171 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 03:45:14,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:45:14,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:45:14,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:45:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:14,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:45:14,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:45:15,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 120 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2024-11-28 03:45:15,927 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:45:16,489 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:45:16,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [943164918] [2024-11-28 03:45:16,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [943164918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:45:16,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [206054823] [2024-11-28 03:45:16,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:16,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:45:16,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:45:16,492 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:45:16,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-28 03:45:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:17,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:45:17,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:45:18,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 850 proven. 60 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-11-28 03:45:18,198 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:45:18,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [206054823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:45:18,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:45:18,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2024-11-28 03:45:18,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528119435] [2024-11-28 03:45:18,373 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:45:18,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:45:18,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:45:18,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:45:18,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:45:18,375 INFO L87 Difference]: Start difference. First operand 196 states and 302 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 4 states have call successors, (53), 4 states have call predecessors, (53), 6 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2024-11-28 03:45:22,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:45:22,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:45:22,457 INFO L93 Difference]: Finished difference Result 364 states and 529 transitions. [2024-11-28 03:45:22,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:45:22,475 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 4 states have call successors, (53), 4 states have call predecessors, (53), 6 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 195 [2024-11-28 03:45:22,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:45:22,477 INFO L225 Difference]: With dead ends: 364 [2024-11-28 03:45:22,477 INFO L226 Difference]: Without dead ends: 231 [2024-11-28 03:45:22,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=125, Invalid=295, Unknown=0, NotChecked=0, Total=420 [2024-11-28 03:45:22,478 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 74 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:45:22,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 240 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-28 03:45:22,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-28 03:45:22,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 225. [2024-11-28 03:45:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 132 states have (on average 1.1363636363636365) internal successors, (150), 133 states have internal predecessors, (150), 80 states have call successors, (80), 12 states have call predecessors, (80), 12 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-28 03:45:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 310 transitions. [2024-11-28 03:45:22,527 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 310 transitions. Word has length 195 [2024-11-28 03:45:22,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:45:22,529 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 310 transitions. [2024-11-28 03:45:22,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 4 states have call successors, (53), 4 states have call predecessors, (53), 6 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2024-11-28 03:45:22,530 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 310 transitions. [2024-11-28 03:45:22,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 03:45:22,532 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:45:22,533 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:22,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-28 03:45:22,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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)] Ended with exit code 0 [2024-11-28 03:45:22,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:45:22,934 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:45:22,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:22,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1378083783, now seen corresponding path program 1 times [2024-11-28 03:45:22,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:45:22,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420992731] [2024-11-28 03:45:22,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:22,935 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 03:45:22,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:45:22,937 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:45:22,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 (10)] Waiting until timeout for monitored process [2024-11-28 03:45:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:23,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:45:23,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:45:23,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 720 proven. 21 refuted. 0 times theorem prover too weak. 1119 trivial. 0 not checked. [2024-11-28 03:45:23,501 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:45:24,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 69 proven. 21 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-28 03:45:24,032 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:45:24,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420992731] [2024-11-28 03:45:24,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [420992731] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:45:24,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:45:24,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-28 03:45:24,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141386695] [2024-11-28 03:45:24,033 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:45:24,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:45:24,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:45:24,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:45:24,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:45:24,034 INFO L87 Difference]: Start difference. First operand 225 states and 310 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 03:45:27,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:45:27,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:45:27,192 INFO L93 Difference]: Finished difference Result 393 states and 532 transitions. [2024-11-28 03:45:27,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:45:27,211 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 197 [2024-11-28 03:45:27,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:45:27,214 INFO L225 Difference]: With dead ends: 393 [2024-11-28 03:45:27,214 INFO L226 Difference]: Without dead ends: 243 [2024-11-28 03:45:27,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 386 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:45:27,216 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 68 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:45:27,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 186 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-28 03:45:27,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-28 03:45:27,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 233. [2024-11-28 03:45:27,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 138 states have (on average 1.1159420289855073) internal successors, (154), 139 states have internal predecessors, (154), 80 states have call successors, (80), 14 states have call predecessors, (80), 14 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-28 03:45:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 314 transitions. [2024-11-28 03:45:27,257 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 314 transitions. Word has length 197 [2024-11-28 03:45:27,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:45:27,259 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 314 transitions. [2024-11-28 03:45:27,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 03:45:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 314 transitions. [2024-11-28 03:45:27,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 03:45:27,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:45:27,262 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:27,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 (10)] Ended with exit code 0 [2024-11-28 03:45:27,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:45:27,463 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:45:27,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:27,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1637019835, now seen corresponding path program 1 times [2024-11-28 03:45:27,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:45:27,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251213777] [2024-11-28 03:45:27,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:27,464 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 03:45:27,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:45:27,466 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:45:27,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 (11)] Waiting until timeout for monitored process [2024-11-28 03:45:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:27,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:45:27,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:45:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1196 proven. 144 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-28 03:45:29,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:45:30,245 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:45:30,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251213777] [2024-11-28 03:45:30,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251213777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:45:30,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [469538092] [2024-11-28 03:45:30,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:30,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:45:30,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:45:30,248 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:45:30,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-28 03:45:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:30,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:45:30,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:45:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 850 proven. 60 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-11-28 03:45:31,794 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:45:32,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [469538092] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:45:32,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:45:32,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 14 [2024-11-28 03:45:32,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959573824] [2024-11-28 03:45:32,120 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:45:32,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:45:32,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:45:32,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:45:32,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:45:32,122 INFO L87 Difference]: Start difference. First operand 233 states and 314 transitions. Second operand has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 14 states have internal predecessors, (90), 4 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) [2024-11-28 03:45:35,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:45:37,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:45:39,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:45:41,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:45:41,087 INFO L93 Difference]: Finished difference Result 414 states and 540 transitions. [2024-11-28 03:45:41,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 03:45:41,088 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 14 states have internal predecessors, (90), 4 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) Word has length 197 [2024-11-28 03:45:41,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:45:41,091 INFO L225 Difference]: With dead ends: 414 [2024-11-28 03:45:41,091 INFO L226 Difference]: Without dead ends: 252 [2024-11-28 03:45:41,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=231, Invalid=581, Unknown=0, NotChecked=0, Total=812 [2024-11-28 03:45:41,093 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 138 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:45:41,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 359 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-11-28 03:45:41,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-28 03:45:41,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 239. [2024-11-28 03:45:41,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 139 states have (on average 1.0575539568345325) internal successors, (147), 140 states have internal predecessors, (147), 80 states have call successors, (80), 19 states have call predecessors, (80), 19 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-28 03:45:41,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 307 transitions. [2024-11-28 03:45:41,121 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 307 transitions. Word has length 197 [2024-11-28 03:45:41,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:45:41,123 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 307 transitions. [2024-11-28 03:45:41,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 14 states have internal predecessors, (90), 4 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) [2024-11-28 03:45:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 307 transitions. [2024-11-28 03:45:41,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 03:45:41,126 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:45:41,126 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:41,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 (11)] Ended with exit code 0 [2024-11-28 03:45:41,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-28 03:45:41,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 03:45:41,527 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:45:41,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:41,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1694278137, now seen corresponding path program 1 times [2024-11-28 03:45:41,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:45:41,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297787491] [2024-11-28 03:45:41,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:41,528 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 03:45:41,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:45:41,529 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 03:45:41,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e307c505-dd52-4ef5-b30f-df70e7699c8d/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 (13)] Waiting until timeout for monitored process [2024-11-28 03:45:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:41,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-28 03:45:41,938 INFO L279 TraceCheckSpWp]: Computing forward predicates...