./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.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_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:38:45,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:38:45,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:38:45,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:38:45,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:38:45,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:38:45,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:38:45,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:38:45,553 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:38:45,553 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:38:45,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:38:45,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:38:45,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:38:45,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:38:45,555 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:38:45,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:38:45,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:38:45,555 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:38:45,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:38:45,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:38:45,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:38:45,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:38:45,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:38:45,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:38:45,557 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:38:45,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:38:45,557 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:38:45,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:38:45,558 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:38:45,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:38:45,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:38:45,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:38:45,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:45,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:38:45,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:38:45,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:38:45,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:38:45,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:45,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:38:45,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:38:45,560 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:38:45,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:38:45,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:38:45,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:38:45,561 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:38:45,561 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:38:45,561 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:38:45,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:38:45,561 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_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 -> 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b [2024-11-28 02:38:45,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:38:45,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:38:45,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:38:45,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:38:45,906 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:38:45,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2024-11-28 02:38:48,890 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/data/add1e2a6a/aac60f31d89645dba503ec826adb93d7/FLAG055f1bf4f [2024-11-28 02:38:49,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:38:49,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2024-11-28 02:38:49,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/data/add1e2a6a/aac60f31d89645dba503ec826adb93d7/FLAG055f1bf4f [2024-11-28 02:38:49,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/data/add1e2a6a/aac60f31d89645dba503ec826adb93d7 [2024-11-28 02:38:49,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:38:49,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:38:49,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:38:49,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:38:49,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:38:49,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8f1fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49, skipping insertion in model container [2024-11-28 02:38:49,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:38:49,702 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_fba1dabb-2423-455b-b971-1aab4fdeccf8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2024-11-28 02:38:49,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:38:49,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:38:49,785 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_fba1dabb-2423-455b-b971-1aab4fdeccf8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2024-11-28 02:38:49,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:38:49,836 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:38:49,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49 WrapperNode [2024-11-28 02:38:49,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:38:49,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:38:49,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:38:49,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:38:49,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,894 INFO L138 Inliner]: procedures = 29, calls = 159, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 472 [2024-11-28 02:38:49,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:38:49,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:38:49,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:38:49,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:38:49,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,915 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,963 INFO L175 MemorySlicer]: Split 116 memory accesses to 16 slices as follows [2, 7, 8, 6, 6, 7, 8, 10, 11, 8, 6, 7, 6, 9, 8, 7]. 9 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 19 writes are split as follows [0, 3, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1]. [2024-11-28 02:38:49,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:50,002 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:50,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:50,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:50,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:50,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:50,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:38:50,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:38:50,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:38:50,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:38:50,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:50,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:50,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:50,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:38:50,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:38:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:38:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 02:38:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 02:38:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 02:38:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 02:38:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 02:38:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-28 02:38:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-28 02:38:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-28 02:38:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-28 02:38:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-28 02:38:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-28 02:38:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-28 02:38:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-28 02:38:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-28 02:38:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-28 02:38:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-28 02:38:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:38:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:38:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:38:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:38:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:38:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:38:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:38:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:38:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:38:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:38:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:38:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:38:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:38:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 02:38:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 02:38:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 02:38:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 02:38:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 02:38:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 02:38:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 02:38:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-28 02:38:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-28 02:38:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-28 02:38:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-28 02:38:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-28 02:38:50,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-28 02:38:50,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-28 02:38:50,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-28 02:38:50,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-28 02:38:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-28 02:38:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-28 02:38:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-28 02:38:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:38:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:38:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:38:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:38:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:38:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:38:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:38:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:38:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:38:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:38:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:38:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:38:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:38:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 02:38:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 02:38:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 02:38:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 02:38:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 02:38:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 02:38:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 02:38:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-28 02:38:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-28 02:38:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-28 02:38:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-28 02:38:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-28 02:38:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-28 02:38:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-28 02:38:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-28 02:38:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-28 02:38:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-28 02:38:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-28 02:38:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-28 02:38:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:38:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:38:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:38:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:38:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:38:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:38:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:38:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:38:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:38:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:38:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:38:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:38:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:38:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:38:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:38:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 02:38:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 02:38:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 02:38:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:38:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:38:50,441 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:38:50,443 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:38:51,202 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-28 02:38:51,202 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:38:51,213 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:38:51,213 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:38:51,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:38:51 BoogieIcfgContainer [2024-11-28 02:38:51,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:38:51,216 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:38:51,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:38:51,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:38:51,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:38:49" (1/3) ... [2024-11-28 02:38:51,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129bef9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:38:51, skipping insertion in model container [2024-11-28 02:38:51,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (2/3) ... [2024-11-28 02:38:51,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129bef9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:38:51, skipping insertion in model container [2024-11-28 02:38:51,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:38:51" (3/3) ... [2024-11-28 02:38:51,223 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-97.i [2024-11-28 02:38:51,238 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:38:51,239 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-97.i that has 2 procedures, 108 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:38:51,300 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:38:51,315 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;@44dc2d8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:38:51,316 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:38:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 88 states have (on average 1.3977272727272727) internal successors, (123), 89 states have internal predecessors, (123), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 02:38:51,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:51,333 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:51,333 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:51,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:51,339 INFO L85 PathProgramCache]: Analyzing trace with hash 414475226, now seen corresponding path program 1 times [2024-11-28 02:38:51,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:51,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035962245] [2024-11-28 02:38:51,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:51,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:51,811 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 02:38:51,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:51,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035962245] [2024-11-28 02:38:51,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035962245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:51,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867618479] [2024-11-28 02:38:51,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:51,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:51,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:51,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:51,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:38:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:52,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:38:52,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 02:38:52,293 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:52,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867618479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:52,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:38:52,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:38:52,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856471604] [2024-11-28 02:38:52,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:52,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:38:52,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:52,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:38:52,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:38:52,325 INFO L87 Difference]: Start difference. First operand has 108 states, 88 states have (on average 1.3977272727272727) internal successors, (123), 89 states have internal predecessors, (123), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:38:52,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:52,353 INFO L93 Difference]: Finished difference Result 209 states and 325 transitions. [2024-11-28 02:38:52,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:38:52,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2024-11-28 02:38:52,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:52,362 INFO L225 Difference]: With dead ends: 209 [2024-11-28 02:38:52,362 INFO L226 Difference]: Without dead ends: 104 [2024-11-28 02:38:52,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:38:52,370 INFO L435 NwaCegarLoop]: 150 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, 150 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:52,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:38:52,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-28 02:38:52,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-28 02:38:52,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 85 states have internal predecessors, (116), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:52,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 150 transitions. [2024-11-28 02:38:52,434 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 150 transitions. Word has length 134 [2024-11-28 02:38:52,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:52,435 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 150 transitions. [2024-11-28 02:38:52,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:38:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 150 transitions. [2024-11-28 02:38:52,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 02:38:52,444 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:52,444 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:52,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:38:52,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:52,645 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:52,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:52,649 INFO L85 PathProgramCache]: Analyzing trace with hash 560492216, now seen corresponding path program 1 times [2024-11-28 02:38:52,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:52,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249524762] [2024-11-28 02:38:52,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:52,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:38:53,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:53,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249524762] [2024-11-28 02:38:53,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249524762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:53,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445747110] [2024-11-28 02:38:53,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:53,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:53,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:53,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:53,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:38:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:53,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:38:53,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:38:53,835 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:53,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445747110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:53,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:38:53,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-28 02:38:53,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673319303] [2024-11-28 02:38:53,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:53,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:38:53,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:53,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:38:53,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:53,839 INFO L87 Difference]: Start difference. First operand 104 states and 150 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:53,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:53,912 INFO L93 Difference]: Finished difference Result 208 states and 301 transitions. [2024-11-28 02:38:53,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:38:53,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2024-11-28 02:38:53,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:53,915 INFO L225 Difference]: With dead ends: 208 [2024-11-28 02:38:53,915 INFO L226 Difference]: Without dead ends: 107 [2024-11-28 02:38:53,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:53,917 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:53,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 430 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:38:53,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-28 02:38:53,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 106. [2024-11-28 02:38:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:53,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 152 transitions. [2024-11-28 02:38:53,942 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 152 transitions. Word has length 134 [2024-11-28 02:38:53,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:53,944 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 152 transitions. [2024-11-28 02:38:53,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 152 transitions. [2024-11-28 02:38:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 02:38:53,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:53,947 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:53,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:38:54,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:54,148 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:54,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:54,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1240550586, now seen corresponding path program 1 times [2024-11-28 02:38:54,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:54,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130804163] [2024-11-28 02:38:54,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:54,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:54,533 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:38:54,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:54,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130804163] [2024-11-28 02:38:54,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130804163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:54,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018998939] [2024-11-28 02:38:54,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:54,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:54,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:54,537 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:54,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:38:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:54,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:38:54,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:38:54,972 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:54,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018998939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:54,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:38:54,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-28 02:38:54,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392943790] [2024-11-28 02:38:54,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:54,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:38:54,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:54,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:38:54,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:54,976 INFO L87 Difference]: Start difference. First operand 106 states and 152 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:55,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:55,044 INFO L93 Difference]: Finished difference Result 212 states and 305 transitions. [2024-11-28 02:38:55,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:38:55,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2024-11-28 02:38:55,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:55,047 INFO L225 Difference]: With dead ends: 212 [2024-11-28 02:38:55,047 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 02:38:55,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:55,053 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:55,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 431 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:38:55,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 02:38:55,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-11-28 02:38:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 89 states have (on average 1.348314606741573) internal successors, (120), 89 states have internal predecessors, (120), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2024-11-28 02:38:55,077 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 134 [2024-11-28 02:38:55,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:55,080 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2024-11-28 02:38:55,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2024-11-28 02:38:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 02:38:55,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:55,087 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:55,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:38:55,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:55,288 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:55,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:55,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1279409348, now seen corresponding path program 1 times [2024-11-28 02:38:55,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:55,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109119895] [2024-11-28 02:38:55,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:55,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:38:55,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:55,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109119895] [2024-11-28 02:38:55,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109119895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:55,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836838957] [2024-11-28 02:38:55,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:55,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:55,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:55,655 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:55,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:38:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:56,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:38:56,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:56,058 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:38:56,058 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:56,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836838957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:56,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:38:56,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-28 02:38:56,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405264405] [2024-11-28 02:38:56,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:56,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:38:56,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:56,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:38:56,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:56,064 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:56,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:56,111 INFO L93 Difference]: Finished difference Result 216 states and 309 transitions. [2024-11-28 02:38:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:38:56,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2024-11-28 02:38:56,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:56,114 INFO L225 Difference]: With dead ends: 216 [2024-11-28 02:38:56,118 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 02:38:56,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:56,120 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:56,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 433 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:38:56,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 02:38:56,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-11-28 02:38:56,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 91 states have internal predecessors, (122), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:56,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 156 transitions. [2024-11-28 02:38:56,137 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 156 transitions. Word has length 134 [2024-11-28 02:38:56,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:56,139 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 156 transitions. [2024-11-28 02:38:56,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:56,140 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2024-11-28 02:38:56,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 02:38:56,144 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:56,144 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:56,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:38:56,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:56,345 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:56,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:56,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1277562306, now seen corresponding path program 1 times [2024-11-28 02:38:56,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:56,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539886396] [2024-11-28 02:38:56,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:56,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:56,670 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:38:56,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:56,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539886396] [2024-11-28 02:38:56,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539886396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:56,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072974893] [2024-11-28 02:38:56,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:56,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:56,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:56,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:56,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:38:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:57,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:38:57,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:57,094 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:38:57,094 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:57,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072974893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:57,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:38:57,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-28 02:38:57,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317132988] [2024-11-28 02:38:57,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:57,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:38:57,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:57,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:38:57,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:38:57,096 INFO L87 Difference]: Start difference. First operand 110 states and 156 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:57,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:57,130 INFO L93 Difference]: Finished difference Result 219 states and 312 transitions. [2024-11-28 02:38:57,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:38:57,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2024-11-28 02:38:57,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:57,134 INFO L225 Difference]: With dead ends: 219 [2024-11-28 02:38:57,134 INFO L226 Difference]: Without dead ends: 112 [2024-11-28 02:38:57,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:38:57,138 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:57,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 433 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:38:57,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-28 02:38:57,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-28 02:38:57,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 93 states have internal predecessors, (124), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2024-11-28 02:38:57,158 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 134 [2024-11-28 02:38:57,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:57,161 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2024-11-28 02:38:57,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2024-11-28 02:38:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:38:57,167 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:57,167 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:57,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 02:38:57,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:57,368 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:57,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:57,368 INFO L85 PathProgramCache]: Analyzing trace with hash 2067265744, now seen corresponding path program 1 times [2024-11-28 02:38:57,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:57,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754427431] [2024-11-28 02:38:57,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:57,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:38:58,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:58,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754427431] [2024-11-28 02:38:58,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754427431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:58,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:38:58,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:38:58,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513247557] [2024-11-28 02:38:58,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:58,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:38:58,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:58,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:38:58,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:38:58,328 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:58,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:58,734 INFO L93 Difference]: Finished difference Result 312 states and 439 transitions. [2024-11-28 02:38:58,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:38:58,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-11-28 02:38:58,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:58,738 INFO L225 Difference]: With dead ends: 312 [2024-11-28 02:38:58,738 INFO L226 Difference]: Without dead ends: 203 [2024-11-28 02:38:58,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:58,739 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 307 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:58,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 653 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:38:58,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-28 02:38:58,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 114. [2024-11-28 02:38:58,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 95 states have internal predecessors, (126), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:58,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2024-11-28 02:38:58,773 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 136 [2024-11-28 02:38:58,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:58,773 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2024-11-28 02:38:58,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:58,773 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2024-11-28 02:38:58,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:38:58,775 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:58,775 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:58,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:38:58,776 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:58,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:58,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1301438311, now seen corresponding path program 1 times [2024-11-28 02:38:58,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:58,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480576248] [2024-11-28 02:38:58,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:58,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:00,139 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:39:00,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:00,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480576248] [2024-11-28 02:39:00,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480576248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:00,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645014029] [2024-11-28 02:39:00,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:00,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:00,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:00,142 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:00,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 02:39:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:00,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 02:39:00,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:01,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:39:01,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-28 02:39:01,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 02:39:01,392 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 4 proven. 252 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 02:39:01,393 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:01,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-11-28 02:39:01,500 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:39:01,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 36 [2024-11-28 02:39:01,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2024-11-28 02:39:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:39:02,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645014029] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:02,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:39:02,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 18 [2024-11-28 02:39:02,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318171678] [2024-11-28 02:39:02,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:02,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 02:39:02,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:02,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 02:39:02,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:39:02,071 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 18 states, 15 states have (on average 5.066666666666666) internal successors, (76), 17 states have internal predecessors, (76), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-28 02:39:03,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:03,357 INFO L93 Difference]: Finished difference Result 348 states and 484 transitions. [2024-11-28 02:39:03,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 02:39:03,358 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 5.066666666666666) internal successors, (76), 17 states have internal predecessors, (76), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) Word has length 136 [2024-11-28 02:39:03,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:03,360 INFO L225 Difference]: With dead ends: 348 [2024-11-28 02:39:03,360 INFO L226 Difference]: Without dead ends: 237 [2024-11-28 02:39:03,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 265 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=288, Invalid=1118, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 02:39:03,362 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 713 mSDsluCounter, 1024 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:03,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 1186 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:39:03,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-28 02:39:03,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 129. [2024-11-28 02:39:03,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 109 states have (on average 1.3302752293577982) internal successors, (145), 109 states have internal predecessors, (145), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:39:03,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 179 transitions. [2024-11-28 02:39:03,394 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 179 transitions. Word has length 136 [2024-11-28 02:39:03,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:03,394 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 179 transitions. [2024-11-28 02:39:03,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 5.066666666666666) internal successors, (76), 17 states have internal predecessors, (76), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-28 02:39:03,395 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 179 transitions. [2024-11-28 02:39:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:39:03,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:03,399 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:03,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 02:39:03,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:03,600 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:03,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:03,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1435451817, now seen corresponding path program 1 times [2024-11-28 02:39:03,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:03,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839622391] [2024-11-28 02:39:03,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:03,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:39:04,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:04,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839622391] [2024-11-28 02:39:04,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839622391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:04,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773650133] [2024-11-28 02:39:04,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:04,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:04,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:04,350 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:04,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 02:39:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:04,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:39:04,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:04,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:39:05,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-28 02:39:05,194 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 6 proven. 298 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-28 02:39:05,194 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:05,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2024-11-28 02:39:05,633 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:39:05,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773650133] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:05,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:39:05,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 13 [2024-11-28 02:39:05,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676214107] [2024-11-28 02:39:05,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:05,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:39:05,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:05,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:39:05,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:39:05,637 INFO L87 Difference]: Start difference. First operand 129 states and 179 transitions. Second operand has 13 states, 10 states have (on average 6.9) internal successors, (69), 12 states have internal predecessors, (69), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-28 02:39:06,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:06,246 INFO L93 Difference]: Finished difference Result 282 states and 391 transitions. [2024-11-28 02:39:06,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:39:06,247 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 6.9) internal successors, (69), 12 states have internal predecessors, (69), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) Word has length 136 [2024-11-28 02:39:06,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:06,249 INFO L225 Difference]: With dead ends: 282 [2024-11-28 02:39:06,249 INFO L226 Difference]: Without dead ends: 156 [2024-11-28 02:39:06,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 267 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2024-11-28 02:39:06,250 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 210 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:06,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 757 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:39:06,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-28 02:39:06,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 153. [2024-11-28 02:39:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 123 states have internal predecessors, (157), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 02:39:06,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 211 transitions. [2024-11-28 02:39:06,274 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 211 transitions. Word has length 136 [2024-11-28 02:39:06,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:06,274 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 211 transitions. [2024-11-28 02:39:06,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 6.9) internal successors, (69), 12 states have internal predecessors, (69), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-28 02:39:06,275 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 211 transitions. [2024-11-28 02:39:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:39:06,276 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:06,277 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:06,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:06,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:06,481 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:06,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:06,482 INFO L85 PathProgramCache]: Analyzing trace with hash -940581760, now seen corresponding path program 1 times [2024-11-28 02:39:06,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:06,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053571892] [2024-11-28 02:39:06,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:06,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:07,396 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:39:07,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:07,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053571892] [2024-11-28 02:39:07,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053571892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:07,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127559976] [2024-11-28 02:39:07,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:07,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:07,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:07,400 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:07,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 02:39:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:07,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 02:39:07,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:07,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:39:08,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 177 [2024-11-28 02:39:08,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 137 [2024-11-28 02:39:08,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 113 [2024-11-28 02:39:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:39:08,233 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:08,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127559976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:08,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:08,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2024-11-28 02:39:08,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313357259] [2024-11-28 02:39:08,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:08,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:39:08,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:08,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:39:08,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:39:08,235 INFO L87 Difference]: Start difference. First operand 153 states and 211 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:08,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:08,500 INFO L93 Difference]: Finished difference Result 357 states and 488 transitions. [2024-11-28 02:39:08,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:39:08,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-11-28 02:39:08,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:08,505 INFO L225 Difference]: With dead ends: 357 [2024-11-28 02:39:08,505 INFO L226 Difference]: Without dead ends: 228 [2024-11-28 02:39:08,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:39:08,509 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 80 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:08,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 766 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:08,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-28 02:39:08,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 225. [2024-11-28 02:39:08,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 187 states have (on average 1.2941176470588236) internal successors, (242), 189 states have internal predecessors, (242), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-28 02:39:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2024-11-28 02:39:08,550 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 136 [2024-11-28 02:39:08,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:08,551 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2024-11-28 02:39:08,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:08,551 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2024-11-28 02:39:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:39:08,553 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:08,553 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:08,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:08,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:08,755 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:08,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:08,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1558728417, now seen corresponding path program 1 times [2024-11-28 02:39:08,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:08,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932379601] [2024-11-28 02:39:08,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:08,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:09,101 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:39:09,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:09,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932379601] [2024-11-28 02:39:09,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932379601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:09,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:09,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:39:09,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616910568] [2024-11-28 02:39:09,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:09,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:39:09,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:09,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:39:09,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:39:09,104 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:09,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:09,276 INFO L93 Difference]: Finished difference Result 633 states and 864 transitions. [2024-11-28 02:39:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:39:09,277 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 137 [2024-11-28 02:39:09,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:09,283 INFO L225 Difference]: With dead ends: 633 [2024-11-28 02:39:09,285 INFO L226 Difference]: Without dead ends: 432 [2024-11-28 02:39:09,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:39:09,287 INFO L435 NwaCegarLoop]: 277 mSDtfsCounter, 144 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:09,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1221 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:09,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-28 02:39:09,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 408. [2024-11-28 02:39:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 343 states have (on average 1.2944606413994169) internal successors, (444), 346 states have internal predecessors, (444), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 53 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 02:39:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 556 transitions. [2024-11-28 02:39:09,374 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 556 transitions. Word has length 137 [2024-11-28 02:39:09,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:09,375 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 556 transitions. [2024-11-28 02:39:09,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:09,375 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 556 transitions. [2024-11-28 02:39:09,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:39:09,377 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:09,378 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:09,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:39:09,378 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:09,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:09,379 INFO L85 PathProgramCache]: Analyzing trace with hash 448387173, now seen corresponding path program 1 times [2024-11-28 02:39:09,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:09,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399427022] [2024-11-28 02:39:09,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:09,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:39:09,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:09,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399427022] [2024-11-28 02:39:09,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399427022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:09,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:09,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:39:09,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507684183] [2024-11-28 02:39:09,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:09,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:09,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:09,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:09,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:09,618 INFO L87 Difference]: Start difference. First operand 408 states and 556 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:09,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:09,878 INFO L93 Difference]: Finished difference Result 940 states and 1273 transitions. [2024-11-28 02:39:09,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:39:09,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-28 02:39:09,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:09,883 INFO L225 Difference]: With dead ends: 940 [2024-11-28 02:39:09,883 INFO L226 Difference]: Without dead ends: 556 [2024-11-28 02:39:09,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:39:09,885 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 117 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:09,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 852 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:39:09,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-28 02:39:09,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 552. [2024-11-28 02:39:09,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 460 states have (on average 1.2782608695652173) internal successors, (588), 465 states have internal predecessors, (588), 79 states have call successors, (79), 12 states have call predecessors, (79), 12 states have return successors, (79), 74 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-28 02:39:09,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 746 transitions. [2024-11-28 02:39:09,964 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 746 transitions. Word has length 138 [2024-11-28 02:39:09,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:09,965 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 746 transitions. [2024-11-28 02:39:09,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:09,965 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 746 transitions. [2024-11-28 02:39:09,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:39:09,967 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:09,967 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:09,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:39:09,968 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:09,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:09,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1803569688, now seen corresponding path program 1 times [2024-11-28 02:39:09,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:09,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387248606] [2024-11-28 02:39:09,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:09,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:10,226 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:39:10,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:10,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387248606] [2024-11-28 02:39:10,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387248606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:10,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:10,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:39:10,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380502910] [2024-11-28 02:39:10,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:10,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:10,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:10,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:10,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:10,229 INFO L87 Difference]: Start difference. First operand 552 states and 746 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:10,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:10,490 INFO L93 Difference]: Finished difference Result 1251 states and 1679 transitions. [2024-11-28 02:39:10,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:39:10,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-11-28 02:39:10,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:10,495 INFO L225 Difference]: With dead ends: 1251 [2024-11-28 02:39:10,496 INFO L226 Difference]: Without dead ends: 723 [2024-11-28 02:39:10,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:39:10,498 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 114 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:10,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 639 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:39:10,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-28 02:39:10,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 264. [2024-11-28 02:39:10,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 216 states have (on average 1.2685185185185186) internal successors, (274), 218 states have internal predecessors, (274), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:39:10,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 354 transitions. [2024-11-28 02:39:10,561 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 354 transitions. Word has length 139 [2024-11-28 02:39:10,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:10,561 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 354 transitions. [2024-11-28 02:39:10,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:10,562 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 354 transitions. [2024-11-28 02:39:10,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:39:10,566 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:10,566 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:10,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:39:10,566 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:10,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:10,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1390692475, now seen corresponding path program 1 times [2024-11-28 02:39:10,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:10,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157830308] [2024-11-28 02:39:10,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:10,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:39:11,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:11,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157830308] [2024-11-28 02:39:11,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157830308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:11,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379495392] [2024-11-28 02:39:11,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:11,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:11,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:11,375 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:11,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 02:39:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:11,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 02:39:11,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:11,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:39:12,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-28 02:39:12,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:39:12,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:39:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-28 02:39:12,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:12,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-28 02:39:12,441 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:39:12,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379495392] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:12,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:39:12,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12, 5] total 19 [2024-11-28 02:39:12,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717304301] [2024-11-28 02:39:12,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:12,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:39:12,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:12,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:39:12,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:39:12,443 INFO L87 Difference]: Start difference. First operand 264 states and 354 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:39:12,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:12,677 INFO L93 Difference]: Finished difference Result 473 states and 636 transitions. [2024-11-28 02:39:12,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:12,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2024-11-28 02:39:12,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:12,680 INFO L225 Difference]: With dead ends: 473 [2024-11-28 02:39:12,681 INFO L226 Difference]: Without dead ends: 264 [2024-11-28 02:39:12,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2024-11-28 02:39:12,682 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 312 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:12,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 261 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:12,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-28 02:39:12,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2024-11-28 02:39:12,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 216 states have (on average 1.2592592592592593) internal successors, (272), 218 states have internal predecessors, (272), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:39:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 352 transitions. [2024-11-28 02:39:12,728 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 352 transitions. Word has length 139 [2024-11-28 02:39:12,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:12,728 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 352 transitions. [2024-11-28 02:39:12,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:39:12,729 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 352 transitions. [2024-11-28 02:39:12,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:39:12,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:12,730 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:12,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 02:39:12,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 02:39:12,934 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:12,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:12,935 INFO L85 PathProgramCache]: Analyzing trace with hash 605351532, now seen corresponding path program 1 times [2024-11-28 02:39:12,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:12,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967628087] [2024-11-28 02:39:12,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:12,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:39:13,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:13,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967628087] [2024-11-28 02:39:13,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967628087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:13,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:13,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:39:13,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358624872] [2024-11-28 02:39:13,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:13,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:39:13,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:13,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:39:13,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:39:13,362 INFO L87 Difference]: Start difference. First operand 264 states and 352 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:13,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:13,733 INFO L93 Difference]: Finished difference Result 626 states and 834 transitions. [2024-11-28 02:39:13,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:39:13,734 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-28 02:39:13,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:13,737 INFO L225 Difference]: With dead ends: 626 [2024-11-28 02:39:13,738 INFO L226 Difference]: Without dead ends: 417 [2024-11-28 02:39:13,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:13,739 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 312 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:13,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 540 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:39:13,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-28 02:39:13,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 264. [2024-11-28 02:39:13,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 216 states have (on average 1.25) internal successors, (270), 218 states have internal predecessors, (270), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:39:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 350 transitions. [2024-11-28 02:39:13,801 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 350 transitions. Word has length 140 [2024-11-28 02:39:13,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:13,803 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 350 transitions. [2024-11-28 02:39:13,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:13,803 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 350 transitions. [2024-11-28 02:39:13,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:39:13,805 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:13,805 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:13,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:39:13,806 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:13,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:13,806 INFO L85 PathProgramCache]: Analyzing trace with hash -2101267862, now seen corresponding path program 1 times [2024-11-28 02:39:13,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:13,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389444810] [2024-11-28 02:39:13,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:13,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:39:14,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:14,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389444810] [2024-11-28 02:39:14,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389444810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:14,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:14,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:39:14,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554464694] [2024-11-28 02:39:14,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:14,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:39:14,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:14,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:39:14,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:39:14,775 INFO L87 Difference]: Start difference. First operand 264 states and 350 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:15,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:15,036 INFO L93 Difference]: Finished difference Result 574 states and 758 transitions. [2024-11-28 02:39:15,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:39:15,038 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-28 02:39:15,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:15,040 INFO L225 Difference]: With dead ends: 574 [2024-11-28 02:39:15,040 INFO L226 Difference]: Without dead ends: 365 [2024-11-28 02:39:15,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:39:15,043 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 49 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:15,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 1043 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:15,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-28 02:39:15,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 274. [2024-11-28 02:39:15,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 226 states have (on average 1.247787610619469) internal successors, (282), 228 states have internal predecessors, (282), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:39:15,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 362 transitions. [2024-11-28 02:39:15,102 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 362 transitions. Word has length 140 [2024-11-28 02:39:15,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:15,103 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 362 transitions. [2024-11-28 02:39:15,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:15,103 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 362 transitions. [2024-11-28 02:39:15,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:39:15,105 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:15,105 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:15,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:39:15,105 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:15,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:15,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1678566036, now seen corresponding path program 1 times [2024-11-28 02:39:15,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:15,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98610901] [2024-11-28 02:39:15,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:15,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:39:15,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:15,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98610901] [2024-11-28 02:39:15,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98610901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:15,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:15,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:39:15,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114626903] [2024-11-28 02:39:15,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:15,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:39:15,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:15,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:39:15,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:39:15,619 INFO L87 Difference]: Start difference. First operand 274 states and 362 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:15,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:15,978 INFO L93 Difference]: Finished difference Result 630 states and 834 transitions. [2024-11-28 02:39:15,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:39:15,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-28 02:39:15,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:15,982 INFO L225 Difference]: With dead ends: 630 [2024-11-28 02:39:15,982 INFO L226 Difference]: Without dead ends: 411 [2024-11-28 02:39:15,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:39:15,983 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 254 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:15,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 574 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:39:15,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-28 02:39:16,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 258. [2024-11-28 02:39:16,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 212 states have internal predecessors, (260), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:39:16,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 340 transitions. [2024-11-28 02:39:16,039 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 340 transitions. Word has length 140 [2024-11-28 02:39:16,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:16,040 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 340 transitions. [2024-11-28 02:39:16,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 340 transitions. [2024-11-28 02:39:16,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:39:16,042 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:16,042 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:16,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:39:16,043 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:16,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:16,043 INFO L85 PathProgramCache]: Analyzing trace with hash 298762568, now seen corresponding path program 1 times [2024-11-28 02:39:16,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:16,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691860927] [2024-11-28 02:39:16,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:16,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:16,423 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:39:16,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:16,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691860927] [2024-11-28 02:39:16,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691860927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:16,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:16,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:39:16,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944323792] [2024-11-28 02:39:16,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:16,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:39:16,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:16,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:39:16,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:39:16,426 INFO L87 Difference]: Start difference. First operand 258 states and 340 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:16,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:16,588 INFO L93 Difference]: Finished difference Result 270 states and 352 transitions. [2024-11-28 02:39:16,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:39:16,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-28 02:39:16,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:16,591 INFO L225 Difference]: With dead ends: 270 [2024-11-28 02:39:16,591 INFO L226 Difference]: Without dead ends: 268 [2024-11-28 02:39:16,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:39:16,592 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 84 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:16,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 702 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:16,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-28 02:39:16,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2024-11-28 02:39:16,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 219 states have (on average 1.2283105022831051) internal successors, (269), 221 states have internal predecessors, (269), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:39:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 349 transitions. [2024-11-28 02:39:16,647 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 349 transitions. Word has length 140 [2024-11-28 02:39:16,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:16,648 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 349 transitions. [2024-11-28 02:39:16,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 349 transitions. [2024-11-28 02:39:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:39:16,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:16,650 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:16,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:39:16,651 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:16,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:16,652 INFO L85 PathProgramCache]: Analyzing trace with hash 300609610, now seen corresponding path program 1 times [2024-11-28 02:39:16,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:16,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400066445] [2024-11-28 02:39:16,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:16,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:17,396 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:39:17,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:17,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400066445] [2024-11-28 02:39:17,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400066445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:17,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959691440] [2024-11-28 02:39:17,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:17,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:17,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:17,399 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:17,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 02:39:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:17,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 02:39:17,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:17,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:39:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:39:18,104 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:18,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959691440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:18,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:18,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2024-11-28 02:39:18,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141207882] [2024-11-28 02:39:18,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:18,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:39:18,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:18,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:39:18,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:39:18,107 INFO L87 Difference]: Start difference. First operand 268 states and 349 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:18,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:18,761 INFO L93 Difference]: Finished difference Result 652 states and 847 transitions. [2024-11-28 02:39:18,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:39:18,762 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-28 02:39:18,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:18,767 INFO L225 Difference]: With dead ends: 652 [2024-11-28 02:39:18,768 INFO L226 Difference]: Without dead ends: 439 [2024-11-28 02:39:18,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2024-11-28 02:39:18,770 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 253 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:18,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 1202 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:39:18,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-28 02:39:18,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 307. [2024-11-28 02:39:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 258 states have (on average 1.255813953488372) internal successors, (324), 260 states have internal predecessors, (324), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:39:18,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 404 transitions. [2024-11-28 02:39:18,852 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 404 transitions. Word has length 140 [2024-11-28 02:39:18,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:18,852 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 404 transitions. [2024-11-28 02:39:18,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:18,853 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 404 transitions. [2024-11-28 02:39:18,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:39:18,855 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:18,855 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:18,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:19,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 02:39:19,060 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:19,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:19,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1539291954, now seen corresponding path program 1 times [2024-11-28 02:39:19,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:19,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116100602] [2024-11-28 02:39:19,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:19,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:39:19,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:19,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116100602] [2024-11-28 02:39:19,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116100602] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:19,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067024432] [2024-11-28 02:39:19,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:19,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:19,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:19,912 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:19,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 02:39:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:20,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 02:39:20,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:20,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:39:20,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-28 02:39:20,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 02:39:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 6 proven. 298 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-28 02:39:21,074 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:21,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2024-11-28 02:39:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:39:21,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067024432] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:21,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:39:21,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 16] total 29 [2024-11-28 02:39:21,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618196729] [2024-11-28 02:39:21,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:21,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-28 02:39:21,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:21,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-28 02:39:21,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2024-11-28 02:39:21,814 INFO L87 Difference]: Start difference. First operand 307 states and 404 transitions. Second operand has 29 states, 25 states have (on average 4.24) internal successors, (106), 28 states have internal predecessors, (106), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 3 states have call predecessors, (36), 6 states have call successors, (36) [2024-11-28 02:39:24,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:24,167 INFO L93 Difference]: Finished difference Result 717 states and 934 transitions. [2024-11-28 02:39:24,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-28 02:39:24,168 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 25 states have (on average 4.24) internal successors, (106), 28 states have internal predecessors, (106), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 3 states have call predecessors, (36), 6 states have call successors, (36) Word has length 140 [2024-11-28 02:39:24,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:24,171 INFO L225 Difference]: With dead ends: 717 [2024-11-28 02:39:24,171 INFO L226 Difference]: Without dead ends: 465 [2024-11-28 02:39:24,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 263 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=493, Invalid=2813, Unknown=0, NotChecked=0, Total=3306 [2024-11-28 02:39:24,173 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 555 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 3133 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:24,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 3133 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:39:24,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-28 02:39:24,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 329. [2024-11-28 02:39:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 280 states have (on average 1.25) internal successors, (350), 282 states have internal predecessors, (350), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:39:24,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 430 transitions. [2024-11-28 02:39:24,222 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 430 transitions. Word has length 140 [2024-11-28 02:39:24,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:24,223 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 430 transitions. [2024-11-28 02:39:24,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 25 states have (on average 4.24) internal successors, (106), 28 states have internal predecessors, (106), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 3 states have call predecessors, (36), 6 states have call successors, (36) [2024-11-28 02:39:24,223 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 430 transitions. [2024-11-28 02:39:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 02:39:24,225 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:24,225 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:24,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:24,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:24,426 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:24,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:24,426 INFO L85 PathProgramCache]: Analyzing trace with hash -2016680588, now seen corresponding path program 1 times [2024-11-28 02:39:24,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:24,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248657552] [2024-11-28 02:39:24,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:24,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:39:24,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:24,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248657552] [2024-11-28 02:39:24,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248657552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:24,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:24,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:39:24,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718485849] [2024-11-28 02:39:24,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:24,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:39:24,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:24,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:39:24,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:39:24,862 INFO L87 Difference]: Start difference. First operand 329 states and 430 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:25,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:25,084 INFO L93 Difference]: Finished difference Result 603 states and 788 transitions. [2024-11-28 02:39:25,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:39:25,084 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-28 02:39:25,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:25,087 INFO L225 Difference]: With dead ends: 603 [2024-11-28 02:39:25,087 INFO L226 Difference]: Without dead ends: 329 [2024-11-28 02:39:25,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:25,089 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 227 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:25,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 366 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:25,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-28 02:39:25,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2024-11-28 02:39:25,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 280 states have (on average 1.2214285714285715) internal successors, (342), 282 states have internal predecessors, (342), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:39:25,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 422 transitions. [2024-11-28 02:39:25,145 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 422 transitions. Word has length 141 [2024-11-28 02:39:25,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:25,145 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 422 transitions. [2024-11-28 02:39:25,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:25,145 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 422 transitions. [2024-11-28 02:39:25,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:39:25,148 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:25,148 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:25,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 02:39:25,149 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:25,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:25,149 INFO L85 PathProgramCache]: Analyzing trace with hash -742910394, now seen corresponding path program 1 times [2024-11-28 02:39:25,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:25,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798324843] [2024-11-28 02:39:25,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:25,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:39:25,291 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:39:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:39:25,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:39:25,534 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:39:25,535 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:39:25,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 02:39:25,540 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:25,868 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:39:25,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:39:25 BoogieIcfgContainer [2024-11-28 02:39:25,875 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:39:25,876 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:39:25,876 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:39:25,876 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:39:25,878 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:38:51" (3/4) ... [2024-11-28 02:39:25,881 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:39:25,882 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:39:25,883 INFO L158 Benchmark]: Toolchain (without parser) took 36405.52ms. Allocated memory was 117.4MB in the beginning and 629.1MB in the end (delta: 511.7MB). Free memory was 93.3MB in the beginning and 263.0MB in the end (delta: -169.6MB). Peak memory consumption was 340.3MB. Max. memory is 16.1GB. [2024-11-28 02:39:25,883 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:39:25,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.83ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 79.1MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:39:25,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.59ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 75.9MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:39:25,884 INFO L158 Benchmark]: Boogie Preprocessor took 143.50ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 71.2MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:39:25,884 INFO L158 Benchmark]: RCFGBuilder took 1174.56ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 84.6MB in the end (delta: -13.7MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-28 02:39:25,885 INFO L158 Benchmark]: TraceAbstraction took 34659.75ms. Allocated memory was 117.4MB in the beginning and 629.1MB in the end (delta: 511.7MB). Free memory was 84.0MB in the beginning and 267.2MB in the end (delta: -183.2MB). Peak memory consumption was 325.3MB. Max. memory is 16.1GB. [2024-11-28 02:39:25,885 INFO L158 Benchmark]: Witness Printer took 5.89ms. Allocated memory is still 629.1MB. Free memory was 267.2MB in the beginning and 263.0MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:39:25,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.83ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 79.1MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.59ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 75.9MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 143.50ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 71.2MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1174.56ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 84.6MB in the end (delta: -13.7MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * TraceAbstraction took 34659.75ms. Allocated memory was 117.4MB in the beginning and 629.1MB in the end (delta: 511.7MB). Free memory was 84.0MB in the beginning and 267.2MB in the end (delta: -183.2MB). Peak memory consumption was 325.3MB. Max. memory is 16.1GB. * Witness Printer took 5.89ms. Allocated memory is still 629.1MB. Free memory was 267.2MB in the beginning and 263.0MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 115. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L22] signed short int var_1_1 = 16; [L23] signed short int* var_1_1_Pointer = &(var_1_1); [L24] signed short int var_1_7 = 32; [L24] signed short int var_1_7 = 32; [L25] signed short int* var_1_7_Pointer = &(var_1_7); [L26] signed short int var_1_8 = 20113; [L26] signed short int var_1_8 = 20113; [L27] signed short int* var_1_8_Pointer = &(var_1_8); [L28] signed short int var_1_9 = 100; [L28] signed short int var_1_9 = 100; [L29] signed short int* var_1_9_Pointer = &(var_1_9); [L30] signed char var_1_10 = 100; [L30] signed char var_1_10 = 100; [L31] signed char* var_1_10_Pointer = &(var_1_10); [L32] signed char var_1_11 = -1; [L32] signed char var_1_11 = -1; [L33] signed char* var_1_11_Pointer = &(var_1_11); [L34] signed char var_1_12 = 16; [L34] signed char var_1_12 = 16; [L35] signed char* var_1_12_Pointer = &(var_1_12); [L36] unsigned char var_1_13 = 1; [L36] unsigned char var_1_13 = 1; [L37] unsigned char* var_1_13_Pointer = &(var_1_13); [L38] unsigned char var_1_15 = 0; [L38] unsigned char var_1_15 = 0; [L39] unsigned char* var_1_15_Pointer = &(var_1_15); [L40] unsigned char var_1_16 = 1; [L40] unsigned char var_1_16 = 1; [L41] unsigned char* var_1_16_Pointer = &(var_1_16); [L42] unsigned short int var_1_18 = 10; [L42] unsigned short int var_1_18 = 10; [L43] unsigned short int* var_1_18_Pointer = &(var_1_18); [L44] unsigned short int var_1_19 = 256; [L44] unsigned short int var_1_19 = 256; [L45] unsigned short int* var_1_19_Pointer = &(var_1_19); [L46] float var_1_20 = 32.5; [L46] float var_1_20 = 32.5; [L47] float* var_1_20_Pointer = &(var_1_20); [L48] float var_1_21 = 127.4; [L48] float var_1_21 = 127.4; [L49] float* var_1_21_Pointer = &(var_1_21); [L50] signed short int var_1_22 = 128; [L50] signed short int var_1_22 = 128; [L51] signed short int* var_1_22_Pointer = &(var_1_22); VAL [isInitial=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L119] isInitial = 1 [L120] FCALL initially() [L122] FCALL updateLastVariables() [L123] CALL updateVariables() [L85] var_1_7 = __VERIFIER_nondet_short() [L86] EXPR \read(var_1_7) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L86] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L86] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L87] EXPR \read(var_1_7) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L87] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L87] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L88] var_1_8 = __VERIFIER_nondet_short() [L89] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L90] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L90] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L90] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L91] var_1_9 = __VERIFIER_nondet_short() [L92] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L92] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L92] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L93] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L93] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L93] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L94] var_1_11 = __VERIFIER_nondet_char() [L95] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L95] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L95] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L96] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L96] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L96] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L97] var_1_12 = __VERIFIER_nondet_char() [L98] EXPR \read(var_1_12) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L98] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L98] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] EXPR \read(var_1_12) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L100] var_1_15 = __VERIFIER_nondet_uchar() [L101] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L101] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L101] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L102] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L102] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L102] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L103] var_1_16 = __VERIFIER_nondet_uchar() [L104] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L104] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L104] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L105] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L105] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L105] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L106] var_1_19 = __VERIFIER_nondet_ushort() [L107] EXPR \read(var_1_19) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L107] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L107] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L108] EXPR \read(var_1_19) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L108] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L108] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L109] var_1_21 = __VERIFIER_nondet_float() [L110] EXPR \read(var_1_21) [L110] EXPR var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L110] EXPR var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F [L110] EXPR \read(var_1_21) [L110] EXPR var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L110] EXPR (var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L110] EXPR (var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L110] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L110] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L123] RET updateVariables() [L124] CALL step() [L55] EXPR \read(*var_1_19_Pointer) [L55] (*(var_1_18_Pointer)) = (*(var_1_19_Pointer)) [L56] EXPR \read(*var_1_21_Pointer) [L56] (*(var_1_20_Pointer)) = (*(var_1_21_Pointer)) [L57] EXPR \read(*var_1_12_Pointer) [L57] (*(var_1_22_Pointer)) = (*(var_1_12_Pointer)) [L58] EXPR \read(*var_1_20_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L58] COND TRUE 127.5f > (*(var_1_20_Pointer)) [L59] EXPR \read(*var_1_15_Pointer) [L59] EXPR (*(var_1_15_Pointer)) && (*(var_1_16_Pointer)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L59] EXPR (*(var_1_15_Pointer)) && (*(var_1_16_Pointer)) [L59] EXPR \read(*var_1_16_Pointer) [L59] EXPR (*(var_1_15_Pointer)) && (*(var_1_16_Pointer)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L59] (*(var_1_13_Pointer)) = ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))) [L63] EXPR \read(*var_1_18_Pointer) [L63] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L63] COND TRUE (*(var_1_18_Pointer)) == (*(var_1_7_Pointer)) [L64] EXPR \read(*var_1_11_Pointer) [L64] EXPR \read(*var_1_12_Pointer) [L64] (*(var_1_10_Pointer)) = ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)) [L72] EXPR \read(*var_1_13_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L72] COND TRUE (*(var_1_13_Pointer)) [L73] EXPR \read(*var_1_10_Pointer) [L73] EXPR \read(*var_1_22_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L73] COND FALSE !((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) [L80] (*(var_1_1_Pointer)) = 8 VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L124] RET step() [L125] CALL, EXPR property() [L115] EXPR \read(*var_1_13_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1 [L115] EXPR \read(*var_1_10_Pointer) [L115] EXPR \read(*var_1_22_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8)) [L115] EXPR \read(*var_1_1_Pointer) [L115] EXPR ((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1 VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1)) [L115] EXPR \read(*var_1_18_Pointer) [L115] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1) [L115] EXPR \read(*var_1_10_Pointer) [L115] EXPR \read(*var_1_11_Pointer) [L115] EXPR \read(*var_1_12_Pointer) [L115] EXPR ((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)))))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)))))) [L115] EXPR \read(*var_1_20_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))) [L115] EXPR \read(*var_1_13_Pointer) [L115] EXPR \read(*var_1_20_Pointer) [L115] EXPR \read(*var_1_20_Pointer) [L115] EXPR ((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)))))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer)))) [L115] EXPR \read(*var_1_18_Pointer) [L115] EXPR \read(*var_1_19_Pointer) [L115] EXPR ((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer)))) [L115] EXPR \read(*var_1_20_Pointer) [L115] EXPR \read(*var_1_21_Pointer) [L115] EXPR (((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer))))) && ((*(var_1_22_Pointer)) == ((signed short int) (*(var_1_12_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer))))) && ((*(var_1_22_Pointer)) == ((signed short int) (*(var_1_12_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115-L116] return ((((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer))))) && ((*(var_1_22_Pointer)) == ((signed short int) (*(var_1_12_Pointer)))) ; [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L19] reach_error() VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.3s, OverallIterations: 21, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3734 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3734 mSDsluCounter, 15772 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12270 mSDsCounter, 610 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3388 IncrementalHoareTripleChecker+Invalid, 3998 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 610 mSolverCounterUnsat, 3502 mSDtfsCounter, 3388 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2278 GetRequests, 2023 SyntacticMatches, 7 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 893 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=11, InterpolantAutomatonStates: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 1358 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 15.8s InterpolantComputationTime, 4388 NumberOfCodeBlocks, 4388 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 4761 ConstructedInterpolants, 0 QuantifiedInterpolants, 14075 SizeOfPredicates, 54 NumberOfNonLiveVariables, 6779 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 35 InterpolantComputations, 17 PerfectInterpolantSequences, 17698/19040 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:39:25,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:39:28,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:39:28,738 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:39:28,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:39:28,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:39:28,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:39:28,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:39:28,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:39:28,768 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:39:28,768 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:39:28,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:39:28,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:39:28,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:39:28,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:39:28,769 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:39:28,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:39:28,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:39:28,770 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:39:28,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:39:28,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:39:28,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:39:28,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:39:28,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:39:28,771 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:39:28,771 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:39:28,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:39:28,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:39:28,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:39:28,772 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:39:28,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:39:28,772 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:39:28,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:39:28,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:39:28,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:39:28,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:28,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:39:28,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:39:28,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:39:28,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:39:28,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:28,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:39:28,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:39:28,773 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:39:28,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:39:28,774 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:39:28,774 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:39:28,774 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:39:28,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:39:28,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:39:28,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:39:28,774 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_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 -> 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b [2024-11-28 02:39:29,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:39:29,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:39:29,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:39:29,156 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:39:29,156 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:39:29,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2024-11-28 02:39:32,061 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/data/8797f8cf1/e330739999324aac9c9edc7d9a338b12/FLAGc4c2f1dbc [2024-11-28 02:39:32,437 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:39:32,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2024-11-28 02:39:32,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/data/8797f8cf1/e330739999324aac9c9edc7d9a338b12/FLAGc4c2f1dbc [2024-11-28 02:39:32,476 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/data/8797f8cf1/e330739999324aac9c9edc7d9a338b12 [2024-11-28 02:39:32,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:39:32,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:39:32,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:39:32,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:39:32,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:39:32,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:32,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c2b8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32, skipping insertion in model container [2024-11-28 02:39:32,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:32,524 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:39:32,731 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_fba1dabb-2423-455b-b971-1aab4fdeccf8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2024-11-28 02:39:32,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:39:32,880 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:39:32,897 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_fba1dabb-2423-455b-b971-1aab4fdeccf8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2024-11-28 02:39:32,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:39:32,972 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:39:32,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32 WrapperNode [2024-11-28 02:39:32,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:39:32,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:39:32,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:39:32,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:39:32,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:33,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:33,058 INFO L138 Inliner]: procedures = 33, calls = 159, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 449 [2024-11-28 02:39:33,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:39:33,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:39:33,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:39:33,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:39:33,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:33,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:33,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:33,136 INFO L175 MemorySlicer]: Split 116 memory accesses to 16 slices as follows [2, 7, 8, 6, 6, 7, 8, 10, 11, 8, 6, 7, 6, 9, 8, 7]. 9 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 19 writes are split as follows [0, 3, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1]. [2024-11-28 02:39:33,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:33,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:33,162 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:33,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:33,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:33,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:33,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:33,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:39:33,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:39:33,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:39:33,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:39:33,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (1/1) ... [2024-11-28 02:39:33,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:33,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:33,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:39:33,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:39:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:39:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 02:39:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 02:39:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 02:39:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 02:39:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 02:39:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-28 02:39:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-28 02:39:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-28 02:39:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-28 02:39:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-28 02:39:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-28 02:39:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-28 02:39:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-28 02:39:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-28 02:39:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-11-28 02:39:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-11-28 02:39:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-28 02:39:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-28 02:39:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-28 02:39:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-28 02:39:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-28 02:39:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-28 02:39:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-28 02:39:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-28 02:39:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-28 02:39:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-28 02:39:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-28 02:39:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-28 02:39:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-28 02:39:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-28 02:39:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-28 02:39:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-28 02:39:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-28 02:39:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-28 02:39:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-28 02:39:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-28 02:39:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-28 02:39:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-28 02:39:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-11-28 02:39:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-11-28 02:39:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2024-11-28 02:39:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 02:39:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 02:39:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-28 02:39:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-28 02:39:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-28 02:39:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-28 02:39:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-28 02:39:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-28 02:39:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-28 02:39:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-28 02:39:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-28 02:39:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-28 02:39:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-28 02:39:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-28 02:39:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-28 02:39:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-28 02:39:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-28 02:39:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-28 02:39:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:39:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:39:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:39:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:39:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 02:39:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 02:39:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 02:39:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 02:39:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 02:39:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-28 02:39:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-28 02:39:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-28 02:39:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-28 02:39:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-28 02:39:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-28 02:39:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-28 02:39:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-28 02:39:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-28 02:39:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-11-28 02:39:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-11-28 02:39:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-28 02:39:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-28 02:39:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-28 02:39:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-28 02:39:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-28 02:39:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-28 02:39:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-28 02:39:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-28 02:39:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-28 02:39:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-28 02:39:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-28 02:39:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-28 02:39:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-28 02:39:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-11-28 02:39:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-11-28 02:39:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2024-11-28 02:39:33,704 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:39:33,706 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:39:34,574 INFO L? ?]: Removed 80 outVars from TransFormulas that were not future-live. [2024-11-28 02:39:34,575 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:39:34,595 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:39:34,596 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:39:34,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:34 BoogieIcfgContainer [2024-11-28 02:39:34,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:39:34,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:39:34,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:39:34,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:39:34,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:39:32" (1/3) ... [2024-11-28 02:39:34,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582cb3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:34, skipping insertion in model container [2024-11-28 02:39:34,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:32" (2/3) ... [2024-11-28 02:39:34,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582cb3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:34, skipping insertion in model container [2024-11-28 02:39:34,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:34" (3/3) ... [2024-11-28 02:39:34,615 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-97.i [2024-11-28 02:39:34,633 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:39:34,635 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-97.i that has 2 procedures, 100 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:39:34,715 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:39:34,775 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;@40e7548e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:39:34,775 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:39:34,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 80 states have (on average 1.3875) internal successors, (111), 81 states have internal predecessors, (111), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:39:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 02:39:34,789 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:34,790 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:34,790 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:34,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:34,797 INFO L85 PathProgramCache]: Analyzing trace with hash 993834081, now seen corresponding path program 1 times [2024-11-28 02:39:34,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:34,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425865474] [2024-11-28 02:39:34,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:34,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:34,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:34,816 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:39:34,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 02:39:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:35,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:39:35,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:35,494 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-28 02:39:35,494 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:35,496 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:35,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425865474] [2024-11-28 02:39:35,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425865474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:35,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:35,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:39:35,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623259537] [2024-11-28 02:39:35,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:35,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:39:35,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:35,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:39:35,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:39:35,541 INFO L87 Difference]: Start difference. First operand has 100 states, 80 states have (on average 1.3875) internal successors, (111), 81 states have internal predecessors, (111), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:39:35,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:35,593 INFO L93 Difference]: Finished difference Result 193 states and 301 transitions. [2024-11-28 02:39:35,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:39:35,595 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2024-11-28 02:39:35,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:35,602 INFO L225 Difference]: With dead ends: 193 [2024-11-28 02:39:35,602 INFO L226 Difference]: Without dead ends: 96 [2024-11-28 02:39:35,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:39:35,610 INFO L435 NwaCegarLoop]: 138 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, 138 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:35,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:39:35,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-28 02:39:35,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-28 02:39:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 77 states have internal predecessors, (104), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:39:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2024-11-28 02:39:35,676 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 134 [2024-11-28 02:39:35,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:35,677 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2024-11-28 02:39:35,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:39:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2024-11-28 02:39:35,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 02:39:35,684 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:35,684 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:35,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 02:39:35,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:35,886 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:35,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:35,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1139851071, now seen corresponding path program 1 times [2024-11-28 02:39:35,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:35,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667803441] [2024-11-28 02:39:35,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:35,889 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:35,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:35,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:39:35,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 02:39:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:36,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:39:36,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:37,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:39:37,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:39:37,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:39:37,975 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 02:39:37,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:38,831 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:39:38,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-28 02:39:39,154 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:39:39,154 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:39,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667803441] [2024-11-28 02:39:39,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667803441] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:39,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:39:39,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-28 02:39:39,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552425260] [2024-11-28 02:39:39,157 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:39,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 02:39:39,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:39,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 02:39:39,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:39:39,164 INFO L87 Difference]: Start difference. First operand 96 states and 138 transitions. Second operand has 24 states, 20 states have (on average 4.35) internal successors, (87), 22 states have internal predecessors, (87), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:39:41,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:41,896 INFO L93 Difference]: Finished difference Result 304 states and 426 transitions. [2024-11-28 02:39:41,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 02:39:41,896 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.35) internal successors, (87), 22 states have internal predecessors, (87), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 134 [2024-11-28 02:39:41,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:41,902 INFO L225 Difference]: With dead ends: 304 [2024-11-28 02:39:41,902 INFO L226 Difference]: Without dead ends: 211 [2024-11-28 02:39:41,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 02:39:41,909 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 653 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 1454 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:41,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 1454 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:39:41,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-28 02:39:41,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 111. [2024-11-28 02:39:41,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:39:41,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 154 transitions. [2024-11-28 02:39:41,951 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 154 transitions. Word has length 134 [2024-11-28 02:39:41,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:41,953 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 154 transitions. [2024-11-28 02:39:41,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.35) internal successors, (87), 22 states have internal predecessors, (87), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:39:41,953 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2024-11-28 02:39:41,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 02:39:41,968 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:41,968 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:41,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 02:39:42,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:42,169 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:42,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:42,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1358705789, now seen corresponding path program 1 times [2024-11-28 02:39:42,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:42,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332730609] [2024-11-28 02:39:42,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:42,171 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 02:39:42,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:42,175 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:39:42,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 02:39:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:42,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:39:42,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:43,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:39:43,563 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-28 02:39:43,564 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:44,089 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:39:44,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-28 02:39:44,295 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:39:44,295 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:44,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332730609] [2024-11-28 02:39:44,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1332730609] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:44,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:39:44,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2024-11-28 02:39:44,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995170980] [2024-11-28 02:39:44,296 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:44,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-28 02:39:44,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:44,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-28 02:39:44,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-11-28 02:39:44,301 INFO L87 Difference]: Start difference. First operand 111 states and 154 transitions. Second operand has 20 states, 16 states have (on average 5.1875) internal successors, (83), 18 states have internal predecessors, (83), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:39:45,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:45,620 INFO L93 Difference]: Finished difference Result 250 states and 344 transitions. [2024-11-28 02:39:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:39:45,621 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 5.1875) internal successors, (83), 18 states have internal predecessors, (83), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 134 [2024-11-28 02:39:45,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:45,623 INFO L225 Difference]: With dead ends: 250 [2024-11-28 02:39:45,623 INFO L226 Difference]: Without dead ends: 142 [2024-11-28 02:39:45,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=257, Invalid=613, Unknown=0, NotChecked=0, Total=870 [2024-11-28 02:39:45,625 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 696 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:45,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [697 Valid, 904 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:39:45,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-28 02:39:45,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 139. [2024-11-28 02:39:45,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 106 states have (on average 1.2735849056603774) internal successors, (135), 107 states have internal predecessors, (135), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 02:39:45,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 189 transitions. [2024-11-28 02:39:45,659 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 189 transitions. Word has length 134 [2024-11-28 02:39:45,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:45,660 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 189 transitions. [2024-11-28 02:39:45,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 5.1875) internal successors, (83), 18 states have internal predecessors, (83), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:39:45,660 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 189 transitions. [2024-11-28 02:39:45,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 02:39:45,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:45,663 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:45,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 02:39:45,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:45,867 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:45,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:45,868 INFO L85 PathProgramCache]: Analyzing trace with hash 416205030, now seen corresponding path program 1 times [2024-11-28 02:39:45,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:45,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393968152] [2024-11-28 02:39:45,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:45,869 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:45,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:45,873 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:39:45,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 02:39:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:46,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:39:46,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:47,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:39:47,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:39:47,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:39:47,145 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-28 02:39:47,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:47,657 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:39:47,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-28 02:39:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:39:47,838 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:47,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393968152] [2024-11-28 02:39:47,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393968152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:47,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:39:47,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-28 02:39:47,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571082579] [2024-11-28 02:39:47,838 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:47,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 02:39:47,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:47,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 02:39:47,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:39:47,841 INFO L87 Difference]: Start difference. First operand 139 states and 189 transitions. Second operand has 24 states, 20 states have (on average 4.45) internal successors, (89), 22 states have internal predecessors, (89), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:39:50,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:50,103 INFO L93 Difference]: Finished difference Result 362 states and 485 transitions. [2024-11-28 02:39:50,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 02:39:50,104 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.45) internal successors, (89), 22 states have internal predecessors, (89), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 134 [2024-11-28 02:39:50,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:50,107 INFO L225 Difference]: With dead ends: 362 [2024-11-28 02:39:50,107 INFO L226 Difference]: Without dead ends: 247 [2024-11-28 02:39:50,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 02:39:50,113 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 419 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:50,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 1922 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:39:50,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-28 02:39:50,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 233. [2024-11-28 02:39:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 178 states have (on average 1.2696629213483146) internal successors, (226), 180 states have internal predecessors, (226), 44 states have call successors, (44), 10 states have call predecessors, (44), 10 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-28 02:39:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 314 transitions. [2024-11-28 02:39:50,176 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 314 transitions. Word has length 134 [2024-11-28 02:39:50,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:50,178 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 314 transitions. [2024-11-28 02:39:50,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.45) internal successors, (89), 22 states have internal predecessors, (89), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:39:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 314 transitions. [2024-11-28 02:39:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:39:50,181 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:50,181 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:50,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 02:39:50,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:50,382 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:50,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:50,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2003702363, now seen corresponding path program 1 times [2024-11-28 02:39:50,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:50,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880726517] [2024-11-28 02:39:50,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:50,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:50,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:50,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:39:50,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 02:39:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:50,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:39:50,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:51,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:39:51,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:39:51,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:39:51,517 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 02:39:51,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:52,043 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:39:52,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-28 02:39:52,245 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:39:52,245 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:52,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880726517] [2024-11-28 02:39:52,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880726517] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:52,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:39:52,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-28 02:39:52,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290036909] [2024-11-28 02:39:52,246 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:52,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 02:39:52,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:52,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 02:39:52,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:39:52,248 INFO L87 Difference]: Start difference. First operand 233 states and 314 transitions. Second operand has 24 states, 20 states have (on average 4.55) internal successors, (91), 22 states have internal predecessors, (91), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:39:54,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:54,228 INFO L93 Difference]: Finished difference Result 496 states and 654 transitions. [2024-11-28 02:39:54,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 02:39:54,229 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.55) internal successors, (91), 22 states have internal predecessors, (91), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 135 [2024-11-28 02:39:54,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:54,232 INFO L225 Difference]: With dead ends: 496 [2024-11-28 02:39:54,233 INFO L226 Difference]: Without dead ends: 287 [2024-11-28 02:39:54,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 247 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 02:39:54,234 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 652 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 1354 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:54,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 1354 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 02:39:54,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-28 02:39:54,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 182. [2024-11-28 02:39:54,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 137 states have (on average 1.2408759124087592) internal successors, (170), 138 states have internal predecessors, (170), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:39:54,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 238 transitions. [2024-11-28 02:39:54,269 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 238 transitions. Word has length 135 [2024-11-28 02:39:54,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:54,270 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 238 transitions. [2024-11-28 02:39:54,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.55) internal successors, (91), 22 states have internal predecessors, (91), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:39:54,270 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 238 transitions. [2024-11-28 02:39:54,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:39:54,272 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:54,272 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:54,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-28 02:39:54,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:54,474 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:54,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:54,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1045511572, now seen corresponding path program 1 times [2024-11-28 02:39:54,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:54,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2136705310] [2024-11-28 02:39:54,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:54,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:54,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:54,478 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:39:54,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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)] Waiting until timeout for monitored process [2024-11-28 02:39:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:54,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:39:54,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:55,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:39:55,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:39:55,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:39:55,625 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-28 02:39:55,625 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:56,252 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:39:56,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-28 02:39:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:39:56,426 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:56,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2136705310] [2024-11-28 02:39:56,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2136705310] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:56,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:39:56,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-28 02:39:56,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099918464] [2024-11-28 02:39:56,426 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:56,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 02:39:56,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:56,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 02:39:56,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:39:56,429 INFO L87 Difference]: Start difference. First operand 182 states and 238 transitions. Second operand has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:39:59,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:59,009 INFO L93 Difference]: Finished difference Result 406 states and 533 transitions. [2024-11-28 02:39:59,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 02:39:59,010 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 135 [2024-11-28 02:39:59,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:59,013 INFO L225 Difference]: With dead ends: 406 [2024-11-28 02:39:59,013 INFO L226 Difference]: Without dead ends: 287 [2024-11-28 02:39:59,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 02:39:59,015 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 502 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 1781 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:59,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 1781 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:39:59,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-28 02:39:59,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 172. [2024-11-28 02:39:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 127 states have (on average 1.2125984251968505) internal successors, (154), 128 states have internal predecessors, (154), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:39:59,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 222 transitions. [2024-11-28 02:39:59,061 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 222 transitions. Word has length 135 [2024-11-28 02:39:59,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:59,061 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 222 transitions. [2024-11-28 02:39:59,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:39:59,062 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 222 transitions. [2024-11-28 02:39:59,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:39:59,064 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:59,064 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:59,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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)] Ended with exit code 0 [2024-11-28 02:39:59,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:59,265 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:59,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:59,265 INFO L85 PathProgramCache]: Analyzing trace with hash -598123699, now seen corresponding path program 1 times [2024-11-28 02:39:59,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:59,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871679715] [2024-11-28 02:39:59,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:59,266 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:59,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:59,268 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:39:59,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-28 02:39:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:59,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:39:59,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:59,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:39:59,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-28 02:39:59,657 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:39:59,658 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:59,658 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:59,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1871679715] [2024-11-28 02:39:59,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1871679715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:59,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:59,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:39:59,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316302879] [2024-11-28 02:39:59,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:59,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:39:59,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:59,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:39:59,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:39:59,659 INFO L87 Difference]: Start difference. First operand 172 states and 222 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:59,815 INFO L93 Difference]: Finished difference Result 393 states and 514 transitions. [2024-11-28 02:39:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:39:59,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 137 [2024-11-28 02:39:59,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:59,818 INFO L225 Difference]: With dead ends: 393 [2024-11-28 02:39:59,818 INFO L226 Difference]: Without dead ends: 284 [2024-11-28 02:39:59,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:39:59,819 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 130 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:59,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1063 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:59,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-28 02:39:59,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 178. [2024-11-28 02:39:59,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 133 states have (on average 1.2105263157894737) internal successors, (161), 134 states have internal predecessors, (161), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:39:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 229 transitions. [2024-11-28 02:39:59,855 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 229 transitions. Word has length 137 [2024-11-28 02:39:59,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:59,855 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 229 transitions. [2024-11-28 02:39:59,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:39:59,856 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 229 transitions. [2024-11-28 02:39:59,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:39:59,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:59,858 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:59,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 02:40:00,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:00,058 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:00,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:00,059 INFO L85 PathProgramCache]: Analyzing trace with hash -967851096, now seen corresponding path program 1 times [2024-11-28 02:40:00,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:00,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743994069] [2024-11-28 02:40:00,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:00,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:00,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:00,061 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:00,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-28 02:40:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:00,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:40:00,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:01,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:40:01,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:40:01,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:40:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 02:40:01,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:01,634 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:40:01,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-28 02:40:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:40:01,819 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:01,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743994069] [2024-11-28 02:40:01,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743994069] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:40:01,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:40:01,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-28 02:40:01,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010489351] [2024-11-28 02:40:01,819 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:40:01,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 02:40:01,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:01,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 02:40:01,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:40:01,821 INFO L87 Difference]: Start difference. First operand 178 states and 229 transitions. Second operand has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:40:03,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:03,591 INFO L93 Difference]: Finished difference Result 414 states and 537 transitions. [2024-11-28 02:40:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 02:40:03,592 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 138 [2024-11-28 02:40:03,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:03,595 INFO L225 Difference]: With dead ends: 414 [2024-11-28 02:40:03,595 INFO L226 Difference]: Without dead ends: 299 [2024-11-28 02:40:03,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 253 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 02:40:03,597 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 904 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:03,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 903 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:40:03,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-28 02:40:03,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 186. [2024-11-28 02:40:03,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 141 states have (on average 1.2269503546099292) internal successors, (173), 142 states have internal predecessors, (173), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:40:03,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 241 transitions. [2024-11-28 02:40:03,636 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 241 transitions. Word has length 138 [2024-11-28 02:40:03,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:03,636 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 241 transitions. [2024-11-28 02:40:03,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:40:03,637 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 241 transitions. [2024-11-28 02:40:03,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:40:03,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:03,638 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:03,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-28 02:40:03,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:03,839 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:03,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:03,840 INFO L85 PathProgramCache]: Analyzing trace with hash 721092646, now seen corresponding path program 1 times [2024-11-28 02:40:03,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:03,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310525407] [2024-11-28 02:40:03,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:03,840 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:03,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:03,842 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:03,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 02:40:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:04,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:40:04,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:04,194 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:04,195 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:04,195 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:04,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310525407] [2024-11-28 02:40:04,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310525407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:04,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:04,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:40:04,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072169307] [2024-11-28 02:40:04,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:04,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:40:04,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:04,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:40:04,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:40:04,197 INFO L87 Difference]: Start difference. First operand 186 states and 241 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:04,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:04,256 INFO L93 Difference]: Finished difference Result 314 states and 411 transitions. [2024-11-28 02:40:04,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:40:04,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-28 02:40:04,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:04,258 INFO L225 Difference]: With dead ends: 314 [2024-11-28 02:40:04,259 INFO L226 Difference]: Without dead ends: 191 [2024-11-28 02:40:04,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:40:04,259 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 1 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:04,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 504 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:40:04,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-28 02:40:04,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 190. [2024-11-28 02:40:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 145 states have (on average 1.2206896551724138) internal successors, (177), 146 states have internal predecessors, (177), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:40:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 245 transitions. [2024-11-28 02:40:04,290 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 245 transitions. Word has length 138 [2024-11-28 02:40:04,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:04,291 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 245 transitions. [2024-11-28 02:40:04,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 245 transitions. [2024-11-28 02:40:04,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:40:04,293 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:04,293 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:04,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:04,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:04,494 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:04,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:04,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1401151016, now seen corresponding path program 1 times [2024-11-28 02:40:04,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:04,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281416047] [2024-11-28 02:40:04,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:04,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:04,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:04,497 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:04,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 02:40:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:04,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:40:04,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:04,930 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:04,930 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:04,930 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:04,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281416047] [2024-11-28 02:40:04,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281416047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:04,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:04,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:40:04,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547343426] [2024-11-28 02:40:04,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:04,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:40:04,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:04,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:40:04,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:40:04,932 INFO L87 Difference]: Start difference. First operand 190 states and 245 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:04,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:04,997 INFO L93 Difference]: Finished difference Result 320 states and 416 transitions. [2024-11-28 02:40:04,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:40:04,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-28 02:40:04,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:05,000 INFO L225 Difference]: With dead ends: 320 [2024-11-28 02:40:05,000 INFO L226 Difference]: Without dead ends: 193 [2024-11-28 02:40:05,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:40:05,004 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 1 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:05,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 620 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:40:05,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-28 02:40:05,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 192. [2024-11-28 02:40:05,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 147 states have (on average 1.217687074829932) internal successors, (179), 148 states have internal predecessors, (179), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:40:05,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 247 transitions. [2024-11-28 02:40:05,040 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 247 transitions. Word has length 138 [2024-11-28 02:40:05,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:05,040 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 247 transitions. [2024-11-28 02:40:05,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 247 transitions. [2024-11-28 02:40:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:40:05,042 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:05,042 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:05,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 02:40:05,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:05,243 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:05,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:05,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1118808918, now seen corresponding path program 1 times [2024-11-28 02:40:05,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:05,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095772615] [2024-11-28 02:40:05,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:05,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:05,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:05,245 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:05,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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)] Waiting until timeout for monitored process [2024-11-28 02:40:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:05,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:40:05,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:05,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:05,626 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:05,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095772615] [2024-11-28 02:40:05,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095772615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:05,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:05,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:40:05,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527590313] [2024-11-28 02:40:05,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:05,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:40:05,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:05,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:40:05,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:40:05,627 INFO L87 Difference]: Start difference. First operand 192 states and 247 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:05,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:05,710 INFO L93 Difference]: Finished difference Result 324 states and 420 transitions. [2024-11-28 02:40:05,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:40:05,711 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-28 02:40:05,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:05,712 INFO L225 Difference]: With dead ends: 324 [2024-11-28 02:40:05,712 INFO L226 Difference]: Without dead ends: 195 [2024-11-28 02:40:05,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:40:05,713 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:05,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 737 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:40:05,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-28 02:40:05,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 194. [2024-11-28 02:40:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 149 states have (on average 1.2147651006711409) internal successors, (181), 150 states have internal predecessors, (181), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:40:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 249 transitions. [2024-11-28 02:40:05,744 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 249 transitions. Word has length 138 [2024-11-28 02:40:05,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:05,747 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 249 transitions. [2024-11-28 02:40:05,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:05,748 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 249 transitions. [2024-11-28 02:40:05,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:40:05,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:05,749 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:05,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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)] Ended with exit code 0 [2024-11-28 02:40:05,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:05,950 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:05,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:05,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1116961876, now seen corresponding path program 1 times [2024-11-28 02:40:05,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:05,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577276869] [2024-11-28 02:40:05,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:05,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:05,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:05,953 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:05,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 02:40:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:06,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 02:40:06,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:06,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-28 02:40:06,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-28 02:40:07,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-28 02:40:07,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-11-28 02:40:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 31 proven. 309 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-28 02:40:09,468 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:10,448 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:10,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577276869] [2024-11-28 02:40:10,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [577276869] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:10,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:10,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-28 02:40:10,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676711892] [2024-11-28 02:40:10,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:10,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:40:10,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:10,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:40:10,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:40:10,450 INFO L87 Difference]: Start difference. First operand 194 states and 249 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:10,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:10,910 INFO L93 Difference]: Finished difference Result 426 states and 548 transitions. [2024-11-28 02:40:10,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:40:10,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-28 02:40:10,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:10,915 INFO L225 Difference]: With dead ends: 426 [2024-11-28 02:40:10,915 INFO L226 Difference]: Without dead ends: 295 [2024-11-28 02:40:10,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2024-11-28 02:40:10,917 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 110 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:10,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 704 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:40:10,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-28 02:40:10,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 194. [2024-11-28 02:40:10,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 149 states have (on average 1.2080536912751678) internal successors, (180), 150 states have internal predecessors, (180), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:40:10,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 248 transitions. [2024-11-28 02:40:10,970 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 248 transitions. Word has length 138 [2024-11-28 02:40:10,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:10,971 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 248 transitions. [2024-11-28 02:40:10,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 248 transitions. [2024-11-28 02:40:10,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:40:10,974 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:10,974 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:10,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:11,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:11,175 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:11,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:11,175 INFO L85 PathProgramCache]: Analyzing trace with hash 2101173006, now seen corresponding path program 1 times [2024-11-28 02:40:11,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:11,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813954578] [2024-11-28 02:40:11,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:11,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:11,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:11,178 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:11,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (14)] Waiting until timeout for monitored process [2024-11-28 02:40:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:11,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 02:40:11,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:11,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2024-11-28 02:40:12,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 75 [2024-11-28 02:40:12,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 63 [2024-11-28 02:40:12,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 51 [2024-11-28 02:40:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-28 02:40:12,058 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:12,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2024-11-28 02:40:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:12,228 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:12,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813954578] [2024-11-28 02:40:12,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813954578] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:12,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:12,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 9 [2024-11-28 02:40:12,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213856704] [2024-11-28 02:40:12,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:12,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:40:12,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:12,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:40:12,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:40:12,230 INFO L87 Difference]: Start difference. First operand 194 states and 248 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:12,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:12,471 INFO L93 Difference]: Finished difference Result 402 states and 517 transitions. [2024-11-28 02:40:12,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:40:12,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-11-28 02:40:12,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:12,474 INFO L225 Difference]: With dead ends: 402 [2024-11-28 02:40:12,475 INFO L226 Difference]: Without dead ends: 271 [2024-11-28 02:40:12,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:40:12,476 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 69 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:12,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 696 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:40:12,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-28 02:40:12,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 268. [2024-11-28 02:40:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 216 states have (on average 1.2222222222222223) internal successors, (264), 218 states have internal predecessors, (264), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:40:12,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 344 transitions. [2024-11-28 02:40:12,518 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 344 transitions. Word has length 139 [2024-11-28 02:40:12,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:12,518 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 344 transitions. [2024-11-28 02:40:12,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 344 transitions. [2024-11-28 02:40:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:40:12,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:12,520 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:12,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (14)] Ended with exit code 0 [2024-11-28 02:40:12,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:12,720 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:12,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:12,721 INFO L85 PathProgramCache]: Analyzing trace with hash 521270392, now seen corresponding path program 1 times [2024-11-28 02:40:12,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:12,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421753770] [2024-11-28 02:40:12,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:12,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:12,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:12,725 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:12,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (15)] Waiting until timeout for monitored process [2024-11-28 02:40:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:13,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 02:40:13,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:13,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-28 02:40:13,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-28 02:40:14,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-28 02:40:14,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-11-28 02:40:16,822 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 31 proven. 309 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-28 02:40:16,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:17,703 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:17,703 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:17,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1421753770] [2024-11-28 02:40:17,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1421753770] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:17,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:17,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-28 02:40:17,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933357061] [2024-11-28 02:40:17,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:17,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:40:17,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:17,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:40:17,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:40:17,705 INFO L87 Difference]: Start difference. First operand 268 states and 344 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:18,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:18,270 INFO L93 Difference]: Finished difference Result 617 states and 795 transitions. [2024-11-28 02:40:18,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:40:18,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-11-28 02:40:18,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:18,274 INFO L225 Difference]: With dead ends: 617 [2024-11-28 02:40:18,275 INFO L226 Difference]: Without dead ends: 412 [2024-11-28 02:40:18,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2024-11-28 02:40:18,276 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 180 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:18,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 390 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:40:18,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-28 02:40:18,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 268. [2024-11-28 02:40:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 216 states have (on average 1.212962962962963) internal successors, (262), 218 states have internal predecessors, (262), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:40:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 342 transitions. [2024-11-28 02:40:18,325 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 342 transitions. Word has length 139 [2024-11-28 02:40:18,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:18,326 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 342 transitions. [2024-11-28 02:40:18,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:18,326 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 342 transitions. [2024-11-28 02:40:18,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:40:18,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:18,328 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:18,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (15)] Ended with exit code 0 [2024-11-28 02:40:18,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:18,529 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:18,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:18,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1272825617, now seen corresponding path program 1 times [2024-11-28 02:40:18,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:18,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874623333] [2024-11-28 02:40:18,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:18,530 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:18,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:18,531 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:18,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (16)] Waiting until timeout for monitored process [2024-11-28 02:40:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:19,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-28 02:40:19,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:22,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2024-11-28 02:40:22,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 112 [2024-11-28 02:40:22,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 95 [2024-11-28 02:40:22,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 89 [2024-11-28 02:40:22,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 66 [2024-11-28 02:40:22,741 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 19 proven. 304 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-28 02:40:22,741 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:23,197 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:23,197 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:23,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874623333] [2024-11-28 02:40:23,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874623333] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:23,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:23,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [28] total 33 [2024-11-28 02:40:23,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161136620] [2024-11-28 02:40:23,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:23,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:40:23,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:23,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:40:23,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=957, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 02:40:23,199 INFO L87 Difference]: Start difference. First operand 268 states and 342 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:23,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:23,714 INFO L93 Difference]: Finished difference Result 570 states and 730 transitions. [2024-11-28 02:40:23,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:40:23,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-28 02:40:23,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:23,718 INFO L225 Difference]: With dead ends: 570 [2024-11-28 02:40:23,719 INFO L226 Difference]: Without dead ends: 365 [2024-11-28 02:40:23,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=115, Invalid=1217, Unknown=0, NotChecked=0, Total=1332 [2024-11-28 02:40:23,720 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 48 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:23,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 883 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:40:23,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-28 02:40:23,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 278. [2024-11-28 02:40:23,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 226 states have (on average 1.2123893805309736) internal successors, (274), 228 states have internal predecessors, (274), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:40:23,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 354 transitions. [2024-11-28 02:40:23,781 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 354 transitions. Word has length 140 [2024-11-28 02:40:23,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:23,782 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 354 transitions. [2024-11-28 02:40:23,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:23,782 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 354 transitions. [2024-11-28 02:40:23,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:40:23,783 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:23,783 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:23,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (16)] Ended with exit code 0 [2024-11-28 02:40:23,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:23,984 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:23,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:23,984 INFO L85 PathProgramCache]: Analyzing trace with hash -315522285, now seen corresponding path program 1 times [2024-11-28 02:40:23,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:23,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509265079] [2024-11-28 02:40:23,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:23,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:23,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:23,987 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:23,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (17)] Waiting until timeout for monitored process [2024-11-28 02:40:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:24,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:40:24,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:25,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:40:25,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:40:25,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:40:25,190 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 02:40:25,191 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:25,730 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:40:25,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-28 02:40:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:40:25,899 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:25,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509265079] [2024-11-28 02:40:25,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509265079] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:40:25,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:40:25,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-28 02:40:25,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140641376] [2024-11-28 02:40:25,900 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:40:25,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 02:40:25,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:25,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 02:40:25,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:40:25,902 INFO L87 Difference]: Start difference. First operand 278 states and 354 transitions. Second operand has 24 states, 20 states have (on average 4.95) internal successors, (99), 22 states have internal predecessors, (99), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:40:27,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:27,994 INFO L93 Difference]: Finished difference Result 670 states and 852 transitions. [2024-11-28 02:40:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 02:40:27,995 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.95) internal successors, (99), 22 states have internal predecessors, (99), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 140 [2024-11-28 02:40:27,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:27,997 INFO L225 Difference]: With dead ends: 670 [2024-11-28 02:40:27,997 INFO L226 Difference]: Without dead ends: 455 [2024-11-28 02:40:27,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 257 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 02:40:27,999 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 1377 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:28,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 902 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 02:40:28,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-28 02:40:28,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 286. [2024-11-28 02:40:28,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 234 states have (on average 1.205128205128205) internal successors, (282), 236 states have internal predecessors, (282), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:40:28,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 362 transitions. [2024-11-28 02:40:28,042 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 362 transitions. Word has length 140 [2024-11-28 02:40:28,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:28,043 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 362 transitions. [2024-11-28 02:40:28,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.95) internal successors, (99), 22 states have internal predecessors, (99), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:40:28,043 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 362 transitions. [2024-11-28 02:40:28,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:40:28,044 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:28,044 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:28,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (17)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:28,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:28,245 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:28,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:28,246 INFO L85 PathProgramCache]: Analyzing trace with hash -2026014256, now seen corresponding path program 1 times [2024-11-28 02:40:28,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:28,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580173085] [2024-11-28 02:40:28,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:28,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:28,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:28,248 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:28,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (18)] Waiting until timeout for monitored process [2024-11-28 02:40:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:28,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:40:28,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:28,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-28 02:40:28,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-28 02:40:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:28,697 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:28,697 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:28,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580173085] [2024-11-28 02:40:28,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1580173085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:28,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:28,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:40:28,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409612937] [2024-11-28 02:40:28,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:28,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:40:28,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:28,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:40:28,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:40:28,699 INFO L87 Difference]: Start difference. First operand 286 states and 362 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:33,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:40:33,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:33,904 INFO L93 Difference]: Finished difference Result 511 states and 647 transitions. [2024-11-28 02:40:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:40:33,905 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-28 02:40:33,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:33,907 INFO L225 Difference]: With dead ends: 511 [2024-11-28 02:40:33,907 INFO L226 Difference]: Without dead ends: 288 [2024-11-28 02:40:33,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:40:33,908 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 182 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:33,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 549 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-28 02:40:33,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-28 02:40:33,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 286. [2024-11-28 02:40:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 234 states have (on average 1.2008547008547008) internal successors, (281), 236 states have internal predecessors, (281), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:40:33,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 361 transitions. [2024-11-28 02:40:33,955 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 361 transitions. Word has length 140 [2024-11-28 02:40:33,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:33,956 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 361 transitions. [2024-11-28 02:40:33,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:33,956 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 361 transitions. [2024-11-28 02:40:33,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:40:33,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:33,958 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:33,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (18)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:34,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:34,159 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:34,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:34,159 INFO L85 PathProgramCache]: Analyzing trace with hash 900964986, now seen corresponding path program 1 times [2024-11-28 02:40:34,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:34,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473018061] [2024-11-28 02:40:34,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:34,160 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:34,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:34,161 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:34,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (19)] Waiting until timeout for monitored process [2024-11-28 02:40:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:34,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:40:34,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:35,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:40:35,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:40:35,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:40:35,249 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-28 02:40:35,249 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:35,741 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:40:35,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-28 02:40:35,886 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:40:35,887 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:35,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473018061] [2024-11-28 02:40:35,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473018061] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:40:35,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:40:35,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-28 02:40:35,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272155626] [2024-11-28 02:40:35,887 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:40:35,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 02:40:35,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:35,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 02:40:35,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:40:35,888 INFO L87 Difference]: Start difference. First operand 286 states and 361 transitions. Second operand has 24 states, 20 states have (on average 4.85) internal successors, (97), 22 states have internal predecessors, (97), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:40:38,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:38,534 INFO L93 Difference]: Finished difference Result 670 states and 845 transitions. [2024-11-28 02:40:38,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 02:40:38,535 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.85) internal successors, (97), 22 states have internal predecessors, (97), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 140 [2024-11-28 02:40:38,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:38,537 INFO L225 Difference]: With dead ends: 670 [2024-11-28 02:40:38,538 INFO L226 Difference]: Without dead ends: 447 [2024-11-28 02:40:38,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 02:40:38,540 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 362 mSDsluCounter, 1536 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:38,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1703 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 02:40:38,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-28 02:40:38,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 278. [2024-11-28 02:40:38,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 226 states have (on average 1.1902654867256637) internal successors, (269), 228 states have internal predecessors, (269), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:40:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 349 transitions. [2024-11-28 02:40:38,593 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 349 transitions. Word has length 140 [2024-11-28 02:40:38,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:38,594 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 349 transitions. [2024-11-28 02:40:38,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.85) internal successors, (97), 22 states have internal predecessors, (97), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:40:38,595 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 349 transitions. [2024-11-28 02:40:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:40:38,596 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:38,596 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:38,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (19)] Ended with exit code 0 [2024-11-28 02:40:38,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:38,797 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:38,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:38,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1110084742, now seen corresponding path program 1 times [2024-11-28 02:40:38,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:38,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711787758] [2024-11-28 02:40:38,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:38,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:38,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:38,802 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:38,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (20)] Waiting until timeout for monitored process [2024-11-28 02:40:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:39,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:40:39,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:39,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:40:39,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:40:39,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:40:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-28 02:40:39,885 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:40,354 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:40:40,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-28 02:40:40,489 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:40:40,490 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:40,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [711787758] [2024-11-28 02:40:40,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [711787758] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:40:40,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:40:40,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-28 02:40:40,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564922231] [2024-11-28 02:40:40,490 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:40:40,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 02:40:40,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:40,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 02:40:40,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:40:40,492 INFO L87 Difference]: Start difference. First operand 278 states and 349 transitions. Second operand has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:40:42,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:42,837 INFO L93 Difference]: Finished difference Result 650 states and 817 transitions. [2024-11-28 02:40:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 02:40:42,838 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 140 [2024-11-28 02:40:42,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:42,840 INFO L225 Difference]: With dead ends: 650 [2024-11-28 02:40:42,840 INFO L226 Difference]: Without dead ends: 435 [2024-11-28 02:40:42,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 02:40:42,841 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 587 mSDsluCounter, 1711 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 1910 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:42,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 1910 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:40:42,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-28 02:40:42,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 246. [2024-11-28 02:40:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:40:42,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 308 transitions. [2024-11-28 02:40:42,886 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 308 transitions. Word has length 140 [2024-11-28 02:40:42,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:42,886 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 308 transitions. [2024-11-28 02:40:42,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:40:42,887 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 308 transitions. [2024-11-28 02:40:42,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 02:40:42,890 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:42,890 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:42,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (20)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:43,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:43,091 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:43,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:43,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1162538250, now seen corresponding path program 1 times [2024-11-28 02:40:43,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:43,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177472435] [2024-11-28 02:40:43,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:43,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:43,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:43,093 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:43,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (21)] Waiting until timeout for monitored process [2024-11-28 02:40:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:43,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:40:43,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:43,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-28 02:40:43,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-11-28 02:40:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:43,558 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:43,558 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:43,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177472435] [2024-11-28 02:40:43,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1177472435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:43,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:43,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:40:43,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429076222] [2024-11-28 02:40:43,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:43,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:40:43,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:43,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:40:43,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:40:43,560 INFO L87 Difference]: Start difference. First operand 246 states and 308 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:43,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:43,968 INFO L93 Difference]: Finished difference Result 422 states and 527 transitions. [2024-11-28 02:40:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:40:43,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-28 02:40:43,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:43,970 INFO L225 Difference]: With dead ends: 422 [2024-11-28 02:40:43,970 INFO L226 Difference]: Without dead ends: 239 [2024-11-28 02:40:43,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:40:43,971 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 192 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:43,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 448 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:40:43,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-28 02:40:44,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2024-11-28 02:40:44,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 185 states have (on average 1.162162162162162) internal successors, (215), 187 states have internal predecessors, (215), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:40:44,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 295 transitions. [2024-11-28 02:40:44,025 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 295 transitions. Word has length 141 [2024-11-28 02:40:44,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:44,026 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 295 transitions. [2024-11-28 02:40:44,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:44,026 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 295 transitions. [2024-11-28 02:40:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:40:44,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:44,028 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:44,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (21)] Ended with exit code 0 [2024-11-28 02:40:44,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:44,229 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:44,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:44,229 INFO L85 PathProgramCache]: Analyzing trace with hash -809606324, now seen corresponding path program 1 times [2024-11-28 02:40:44,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:44,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099906938] [2024-11-28 02:40:44,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:44,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:44,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:44,233 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:44,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (22)] Waiting until timeout for monitored process [2024-11-28 02:40:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:44,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:40:44,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:44,661 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:44,661 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:44,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099906938] [2024-11-28 02:40:44,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2099906938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:44,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:44,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:40:44,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276553391] [2024-11-28 02:40:44,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:44,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:40:44,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:44,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:40:44,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:40:44,663 INFO L87 Difference]: Start difference. First operand 237 states and 295 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:44,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:44,785 INFO L93 Difference]: Finished difference Result 415 states and 517 transitions. [2024-11-28 02:40:44,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:40:44,785 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 142 [2024-11-28 02:40:44,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:44,787 INFO L225 Difference]: With dead ends: 415 [2024-11-28 02:40:44,787 INFO L226 Difference]: Without dead ends: 241 [2024-11-28 02:40:44,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:40:44,789 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:44,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 630 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:40:44,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-28 02:40:44,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-11-28 02:40:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 189 states have (on average 1.1587301587301588) internal successors, (219), 191 states have internal predecessors, (219), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:40:44,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 299 transitions. [2024-11-28 02:40:44,837 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 299 transitions. Word has length 142 [2024-11-28 02:40:44,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:44,837 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 299 transitions. [2024-11-28 02:40:44,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 299 transitions. [2024-11-28 02:40:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:40:44,839 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:44,839 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:44,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (22)] Ended with exit code 0 [2024-11-28 02:40:45,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:45,040 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:45,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:45,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1219759905, now seen corresponding path program 1 times [2024-11-28 02:40:45,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:45,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083948950] [2024-11-28 02:40:45,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:45,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:45,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:45,043 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:45,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (23)] Waiting until timeout for monitored process [2024-11-28 02:40:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:45,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 02:40:45,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:46,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-28 02:40:46,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 52 [2024-11-28 02:40:46,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-28 02:40:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 31 proven. 309 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-28 02:40:46,713 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:46,993 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:46,993 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:46,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083948950] [2024-11-28 02:40:46,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083948950] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:46,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:46,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 19 [2024-11-28 02:40:46,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170409088] [2024-11-28 02:40:46,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:46,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:40:46,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:46,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:40:46,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:40:46,995 INFO L87 Difference]: Start difference. First operand 241 states and 299 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:47,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:47,265 INFO L93 Difference]: Finished difference Result 253 states and 311 transitions. [2024-11-28 02:40:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:40:47,266 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-28 02:40:47,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:47,268 INFO L225 Difference]: With dead ends: 253 [2024-11-28 02:40:47,271 INFO L226 Difference]: Without dead ends: 251 [2024-11-28 02:40:47,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-28 02:40:47,273 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 68 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:47,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 650 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:40:47,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-28 02:40:47,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2024-11-28 02:40:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 198 states have (on average 1.1515151515151516) internal successors, (228), 200 states have internal predecessors, (228), 40 states have call successors, (40), 12 states have call predecessors, (40), 12 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:40:47,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 308 transitions. [2024-11-28 02:40:47,323 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 308 transitions. Word has length 143 [2024-11-28 02:40:47,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:47,324 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 308 transitions. [2024-11-28 02:40:47,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 308 transitions. [2024-11-28 02:40:47,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:40:47,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:47,325 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:47,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (23)] Ended with exit code 0 [2024-11-28 02:40:47,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:47,528 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:47,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:47,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1217912863, now seen corresponding path program 1 times [2024-11-28 02:40:47,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:47,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38855618] [2024-11-28 02:40:47,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:47,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:47,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:47,531 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:47,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (24)] Waiting until timeout for monitored process [2024-11-28 02:40:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:47,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 02:40:47,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:49,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:40:49,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 89 [2024-11-28 02:40:49,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 65 [2024-11-28 02:40:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:40:49,543 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:49,848 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:49,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38855618] [2024-11-28 02:40:49,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38855618] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:49,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:49,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 12 [2024-11-28 02:40:49,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702233579] [2024-11-28 02:40:49,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:49,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:40:49,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:49,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:40:49,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:40:49,849 INFO L87 Difference]: Start difference. First operand 251 states and 308 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:50,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:50,197 INFO L93 Difference]: Finished difference Result 614 states and 749 transitions. [2024-11-28 02:40:50,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:40:50,198 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-28 02:40:50,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:50,199 INFO L225 Difference]: With dead ends: 614 [2024-11-28 02:40:50,199 INFO L226 Difference]: Without dead ends: 426 [2024-11-28 02:40:50,200 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:40:50,200 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 144 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:50,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 639 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:40:50,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-28 02:40:50,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 423. [2024-11-28 02:40:50,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 341 states have (on average 1.1466275659824048) internal successors, (391), 345 states have internal predecessors, (391), 62 states have call successors, (62), 19 states have call predecessors, (62), 19 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-28 02:40:50,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 515 transitions. [2024-11-28 02:40:50,271 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 515 transitions. Word has length 143 [2024-11-28 02:40:50,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:50,271 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 515 transitions. [2024-11-28 02:40:50,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:50,272 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 515 transitions. [2024-11-28 02:40:50,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:40:50,273 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:50,273 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:50,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (24)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:50,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:50,474 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:50,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:50,475 INFO L85 PathProgramCache]: Analyzing trace with hash 557094499, now seen corresponding path program 1 times [2024-11-28 02:40:50,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:50,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286181609] [2024-11-28 02:40:50,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:50,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:50,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:50,480 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:50,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (25)] Waiting until timeout for monitored process [2024-11-28 02:40:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:50,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:40:50,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:50,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 02:40:51,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 45 [2024-11-28 02:40:51,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 34 [2024-11-28 02:40:51,172 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:51,172 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:51,172 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:51,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286181609] [2024-11-28 02:40:51,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286181609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:51,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:51,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:40:51,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9702870] [2024-11-28 02:40:51,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:51,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:40:51,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:51,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:40:51,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:40:51,174 INFO L87 Difference]: Start difference. First operand 423 states and 515 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:51,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:51,713 INFO L93 Difference]: Finished difference Result 875 states and 1045 transitions. [2024-11-28 02:40:51,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:40:51,713 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-28 02:40:51,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:51,717 INFO L225 Difference]: With dead ends: 875 [2024-11-28 02:40:51,717 INFO L226 Difference]: Without dead ends: 515 [2024-11-28 02:40:51,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:40:51,719 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 175 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:51,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 844 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:40:51,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-28 02:40:51,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 414. [2024-11-28 02:40:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 334 states have (on average 1.1287425149700598) internal successors, (377), 338 states have internal predecessors, (377), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 02:40:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 497 transitions. [2024-11-28 02:40:51,823 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 497 transitions. Word has length 143 [2024-11-28 02:40:51,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:51,823 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 497 transitions. [2024-11-28 02:40:51,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 497 transitions. [2024-11-28 02:40:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:40:51,825 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:51,825 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:51,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (25)] Ended with exit code 0 [2024-11-28 02:40:52,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:52,027 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:52,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:52,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1237152869, now seen corresponding path program 1 times [2024-11-28 02:40:52,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:52,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182779656] [2024-11-28 02:40:52,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:52,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:52,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:52,032 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:52,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (26)] Waiting until timeout for monitored process [2024-11-28 02:40:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:52,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 02:40:52,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:53,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:40:53,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:40:53,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:40:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 02:40:53,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:40:54,402 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:54,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182779656] [2024-11-28 02:40:54,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182779656] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:54,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:54,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2024-11-28 02:40:54,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370539102] [2024-11-28 02:40:54,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:54,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:40:54,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:54,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:40:54,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:40:54,404 INFO L87 Difference]: Start difference. First operand 414 states and 497 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:55,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:55,121 INFO L93 Difference]: Finished difference Result 815 states and 972 transitions. [2024-11-28 02:40:55,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:40:55,122 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-28 02:40:55,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:55,125 INFO L225 Difference]: With dead ends: 815 [2024-11-28 02:40:55,125 INFO L226 Difference]: Without dead ends: 431 [2024-11-28 02:40:55,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2024-11-28 02:40:55,127 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 90 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:55,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 861 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:40:55,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-28 02:40:55,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 422. [2024-11-28 02:40:55,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 342 states have (on average 1.1257309941520468) internal successors, (385), 346 states have internal predecessors, (385), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 02:40:55,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 505 transitions. [2024-11-28 02:40:55,294 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 505 transitions. Word has length 143 [2024-11-28 02:40:55,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:55,295 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 505 transitions. [2024-11-28 02:40:55,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 505 transitions. [2024-11-28 02:40:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:40:55,297 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:55,298 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:55,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (26)] Ended with exit code 0 [2024-11-28 02:40:55,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:55,498 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:55,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:55,499 INFO L85 PathProgramCache]: Analyzing trace with hash 650346855, now seen corresponding path program 1 times [2024-11-28 02:40:55,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:55,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992811613] [2024-11-28 02:40:55,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:55,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:55,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:55,501 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:55,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (27)] Waiting until timeout for monitored process [2024-11-28 02:40:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:55,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:40:55,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:56,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:40:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-28 02:40:56,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:57,253 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:40:57,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-28 02:40:57,420 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:40:57,421 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:57,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992811613] [2024-11-28 02:40:57,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [992811613] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:40:57,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:40:57,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2024-11-28 02:40:57,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966531573] [2024-11-28 02:40:57,421 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:40:57,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-28 02:40:57,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:57,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-28 02:40:57,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-11-28 02:40:57,423 INFO L87 Difference]: Start difference. First operand 422 states and 505 transitions. Second operand has 20 states, 16 states have (on average 6.875) internal successors, (110), 18 states have internal predecessors, (110), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:40:58,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:58,637 INFO L93 Difference]: Finished difference Result 816 states and 972 transitions. [2024-11-28 02:40:58,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:40:58,638 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 6.875) internal successors, (110), 18 states have internal predecessors, (110), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 143 [2024-11-28 02:40:58,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:58,641 INFO L225 Difference]: With dead ends: 816 [2024-11-28 02:40:58,641 INFO L226 Difference]: Without dead ends: 424 [2024-11-28 02:40:58,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 266 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=257, Invalid=613, Unknown=0, NotChecked=0, Total=870 [2024-11-28 02:40:58,642 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 235 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:58,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 871 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:40:58,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-28 02:40:58,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 420. [2024-11-28 02:40:58,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 340 states have (on average 1.1147058823529412) internal successors, (379), 344 states have internal predecessors, (379), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 02:40:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 499 transitions. [2024-11-28 02:40:58,759 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 499 transitions. Word has length 143 [2024-11-28 02:40:58,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:58,759 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 499 transitions. [2024-11-28 02:40:58,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 6.875) internal successors, (110), 18 states have internal predecessors, (110), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:40:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 499 transitions. [2024-11-28 02:40:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:40:58,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:58,762 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:58,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (27)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:58,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:58,962 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:58,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:58,963 INFO L85 PathProgramCache]: Analyzing trace with hash -496790052, now seen corresponding path program 1 times [2024-11-28 02:40:58,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:58,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154188268] [2024-11-28 02:40:58,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:58,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:58,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:58,965 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:58,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (28)] Waiting until timeout for monitored process [2024-11-28 02:40:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:59,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 02:40:59,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:00,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:41:00,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:41:00,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:41:00,235 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 02:41:00,235 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:00,976 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:41:00,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-28 02:41:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:41:01,215 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:01,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154188268] [2024-11-28 02:41:01,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154188268] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:41:01,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:41:01,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 29 [2024-11-28 02:41:01,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194600115] [2024-11-28 02:41:01,216 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:41:01,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-28 02:41:01,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:01,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-28 02:41:01,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=687, Unknown=0, NotChecked=0, Total=812 [2024-11-28 02:41:01,218 INFO L87 Difference]: Start difference. First operand 420 states and 499 transitions. Second operand has 29 states, 25 states have (on average 4.44) internal successors, (111), 27 states have internal predecessors, (111), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:41:03,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:03,695 INFO L93 Difference]: Finished difference Result 866 states and 1022 transitions. [2024-11-28 02:41:03,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-28 02:41:03,696 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 25 states have (on average 4.44) internal successors, (111), 27 states have internal predecessors, (111), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 143 [2024-11-28 02:41:03,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:03,698 INFO L225 Difference]: With dead ends: 866 [2024-11-28 02:41:03,698 INFO L226 Difference]: Without dead ends: 476 [2024-11-28 02:41:03,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 257 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=654, Invalid=2768, Unknown=0, NotChecked=0, Total=3422 [2024-11-28 02:41:03,700 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 764 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 1516 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:03,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 1516 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:41:03,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-28 02:41:03,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 422. [2024-11-28 02:41:03,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 342 states have (on average 1.1140350877192982) internal successors, (381), 346 states have internal predecessors, (381), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 02:41:03,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 501 transitions. [2024-11-28 02:41:03,808 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 501 transitions. Word has length 143 [2024-11-28 02:41:03,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:03,808 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 501 transitions. [2024-11-28 02:41:03,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 25 states have (on average 4.44) internal successors, (111), 27 states have internal predecessors, (111), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:41:03,809 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 501 transitions. [2024-11-28 02:41:03,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:41:03,810 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:03,810 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:03,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (28)] Ended with exit code 0 [2024-11-28 02:41:04,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:04,011 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:04,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:04,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1083596066, now seen corresponding path program 1 times [2024-11-28 02:41:04,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:04,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102627058] [2024-11-28 02:41:04,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:04,011 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:04,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:04,013 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:41:04,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (29)] Waiting until timeout for monitored process [2024-11-28 02:41:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:04,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 02:41:04,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:06,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:41:06,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:41:06,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:41:06,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:41:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 37 proven. 305 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-28 02:41:06,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:08,671 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:41:08,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 53 [2024-11-28 02:41:09,528 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:41:09,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2024-11-28 02:41:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 126 proven. 48 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-28 02:41:09,871 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:09,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102627058] [2024-11-28 02:41:09,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102627058] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:41:09,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:41:09,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 48 [2024-11-28 02:41:09,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332760279] [2024-11-28 02:41:09,871 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:41:09,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-28 02:41:09,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:09,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-28 02:41:09,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1961, Unknown=0, NotChecked=0, Total=2256 [2024-11-28 02:41:09,875 INFO L87 Difference]: Start difference. First operand 422 states and 501 transitions. Second operand has 48 states, 40 states have (on average 3.125) internal successors, (125), 41 states have internal predecessors, (125), 11 states have call successors, (34), 6 states have call predecessors, (34), 11 states have return successors, (34), 9 states have call predecessors, (34), 11 states have call successors, (34) [2024-11-28 02:41:15,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:15,715 INFO L93 Difference]: Finished difference Result 819 states and 965 transitions. [2024-11-28 02:41:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-28 02:41:15,716 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 40 states have (on average 3.125) internal successors, (125), 41 states have internal predecessors, (125), 11 states have call successors, (34), 6 states have call predecessors, (34), 11 states have return successors, (34), 9 states have call predecessors, (34), 11 states have call successors, (34) Word has length 143 [2024-11-28 02:41:15,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:15,718 INFO L225 Difference]: With dead ends: 819 [2024-11-28 02:41:15,718 INFO L226 Difference]: Without dead ends: 427 [2024-11-28 02:41:15,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 239 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=1042, Invalid=4658, Unknown=0, NotChecked=0, Total=5700 [2024-11-28 02:41:15,720 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 1210 mSDsluCounter, 2434 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 346 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 2293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 346 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:15,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 2563 Invalid, 2293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [346 Valid, 1947 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 02:41:15,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-28 02:41:15,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 407. [2024-11-28 02:41:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 327 states have (on average 1.110091743119266) internal successors, (363), 331 states have internal predecessors, (363), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 02:41:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 483 transitions. [2024-11-28 02:41:15,810 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 483 transitions. Word has length 143 [2024-11-28 02:41:15,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:15,811 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 483 transitions. [2024-11-28 02:41:15,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 40 states have (on average 3.125) internal successors, (125), 41 states have internal predecessors, (125), 11 states have call successors, (34), 6 states have call predecessors, (34), 11 states have return successors, (34), 9 states have call predecessors, (34), 11 states have call successors, (34) [2024-11-28 02:41:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 483 transitions. [2024-11-28 02:41:15,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:41:15,812 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:15,812 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:15,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (29)] Ended with exit code 0 [2024-11-28 02:41:16,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:16,016 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:16,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:16,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1831666202, now seen corresponding path program 1 times [2024-11-28 02:41:16,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:16,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134906934] [2024-11-28 02:41:16,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:16,017 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:16,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:16,019 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:41:16,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (30)] Waiting until timeout for monitored process [2024-11-28 02:41:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:16,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:41:16,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:16,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-11-28 02:41:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:41:16,557 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:41:16,557 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:16,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134906934] [2024-11-28 02:41:16,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [134906934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:16,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:16,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:41:16,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058924749] [2024-11-28 02:41:16,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:16,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:41:16,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:16,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:41:16,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:41:16,559 INFO L87 Difference]: Start difference. First operand 407 states and 483 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:41:17,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:17,098 INFO L93 Difference]: Finished difference Result 817 states and 963 transitions. [2024-11-28 02:41:17,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:41:17,100 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-28 02:41:17,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:17,102 INFO L225 Difference]: With dead ends: 817 [2024-11-28 02:41:17,102 INFO L226 Difference]: Without dead ends: 440 [2024-11-28 02:41:17,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:41:17,104 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 104 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:17,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 729 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:41:17,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-28 02:41:17,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 403. [2024-11-28 02:41:17,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 323 states have (on average 1.105263157894737) internal successors, (357), 327 states have internal predecessors, (357), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 02:41:17,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 477 transitions. [2024-11-28 02:41:17,227 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 477 transitions. Word has length 143 [2024-11-28 02:41:17,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:17,227 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 477 transitions. [2024-11-28 02:41:17,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:41:17,227 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 477 transitions. [2024-11-28 02:41:17,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:41:17,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:17,229 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:17,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (30)] Forceful destruction successful, exit code 0 [2024-11-28 02:41:17,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:17,429 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:17,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:17,430 INFO L85 PathProgramCache]: Analyzing trace with hash 97723281, now seen corresponding path program 1 times [2024-11-28 02:41:17,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:17,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077404212] [2024-11-28 02:41:17,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:17,430 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:17,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:17,432 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:41:17,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (31)] Waiting until timeout for monitored process [2024-11-28 02:41:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:17,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:41:17,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:19,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 52 [2024-11-28 02:41:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:41:19,557 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:19,687 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:19,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077404212] [2024-11-28 02:41:19,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1077404212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:19,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [222769877] [2024-11-28 02:41:19,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:19,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:41:19,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:41:19,692 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:41:19,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-28 02:41:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:20,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:41:20,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:41:20,938 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:41:20,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [222769877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:20,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:41:20,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-28 02:41:20,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813790725] [2024-11-28 02:41:20,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:20,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:41:20,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:20,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:41:20,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:41:20,940 INFO L87 Difference]: Start difference. First operand 403 states and 477 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:41:21,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:21,296 INFO L93 Difference]: Finished difference Result 968 states and 1140 transitions. [2024-11-28 02:41:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:41:21,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-28 02:41:21,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:21,300 INFO L225 Difference]: With dead ends: 968 [2024-11-28 02:41:21,300 INFO L226 Difference]: Without dead ends: 595 [2024-11-28 02:41:21,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:41:21,302 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 102 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:21,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 776 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:41:21,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-28 02:41:21,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 458. [2024-11-28 02:41:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 378 states have (on average 1.1111111111111112) internal successors, (420), 382 states have internal predecessors, (420), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 02:41:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 540 transitions. [2024-11-28 02:41:21,403 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 540 transitions. Word has length 143 [2024-11-28 02:41:21,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:21,404 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 540 transitions. [2024-11-28 02:41:21,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:41:21,404 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 540 transitions. [2024-11-28 02:41:21,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:41:21,405 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:21,406 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:21,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-28 02:41:21,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (31)] Forceful destruction successful, exit code 0 [2024-11-28 02:41:21,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:21,806 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:21,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:21,807 INFO L85 PathProgramCache]: Analyzing trace with hash -489082733, now seen corresponding path program 1 times [2024-11-28 02:41:21,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:21,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850161974] [2024-11-28 02:41:21,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:21,807 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:21,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:21,809 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:41:21,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (33)] Waiting until timeout for monitored process [2024-11-28 02:41:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:22,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 02:41:22,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:23,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 52 [2024-11-28 02:41:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:41:23,467 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:23,581 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:23,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850161974] [2024-11-28 02:41:23,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850161974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:23,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1360055272] [2024-11-28 02:41:23,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:23,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:41:23,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:41:23,583 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:41:23,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-28 02:41:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:24,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 02:41:24,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:26,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:41:26,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 52 [2024-11-28 02:41:26,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:41:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:41:26,674 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:26,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1360055272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:26,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:41:26,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-28 02:41:26,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810364875] [2024-11-28 02:41:26,766 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:41:26,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 02:41:26,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:26,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 02:41:26,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:41:26,767 INFO L87 Difference]: Start difference. First operand 458 states and 540 transitions. Second operand has 14 states, 14 states have (on average 6.928571428571429) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-28 02:41:28,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:28,575 INFO L93 Difference]: Finished difference Result 1078 states and 1261 transitions. [2024-11-28 02:41:28,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:41:28,579 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.928571428571429) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 143 [2024-11-28 02:41:28,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:28,581 INFO L225 Difference]: With dead ends: 1078 [2024-11-28 02:41:28,581 INFO L226 Difference]: Without dead ends: 650 [2024-11-28 02:41:28,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 339 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2024-11-28 02:41:28,582 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 432 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:28,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 755 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:41:28,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-11-28 02:41:28,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 468. [2024-11-28 02:41:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 386 states have (on average 1.11139896373057) internal successors, (429), 390 states have internal predecessors, (429), 61 states have call successors, (61), 20 states have call predecessors, (61), 20 states have return successors, (61), 57 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-28 02:41:28,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 551 transitions. [2024-11-28 02:41:28,704 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 551 transitions. Word has length 143 [2024-11-28 02:41:28,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:28,704 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 551 transitions. [2024-11-28 02:41:28,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.928571428571429) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-28 02:41:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 551 transitions. [2024-11-28 02:41:28,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:41:28,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:28,706 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:28,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-28 02:41:28,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (33)] Forceful destruction successful, exit code 0 [2024-11-28 02:41:29,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:29,107 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:29,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:29,107 INFO L85 PathProgramCache]: Analyzing trace with hash -240936239, now seen corresponding path program 1 times [2024-11-28 02:41:29,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:29,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687817638] [2024-11-28 02:41:29,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:29,108 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:29,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:29,109 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:41:29,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (35)] Waiting until timeout for monitored process [2024-11-28 02:41:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:29,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:41:29,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:41:29,489 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:41:29,489 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:29,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [687817638] [2024-11-28 02:41:29,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [687817638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:29,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:29,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:41:29,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635383723] [2024-11-28 02:41:29,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:29,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:41:29,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:29,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:41:29,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:41:29,490 INFO L87 Difference]: Start difference. First operand 468 states and 551 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:41:29,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:29,603 INFO L93 Difference]: Finished difference Result 906 states and 1062 transitions. [2024-11-28 02:41:29,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:41:29,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-11-28 02:41:29,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:29,606 INFO L225 Difference]: With dead ends: 906 [2024-11-28 02:41:29,606 INFO L226 Difference]: Without dead ends: 468 [2024-11-28 02:41:29,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 140 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 02:41:29,607 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:29,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 379 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:41:29,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-28 02:41:29,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2024-11-28 02:41:29,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 386 states have (on average 1.1088082901554404) internal successors, (428), 390 states have internal predecessors, (428), 61 states have call successors, (61), 20 states have call predecessors, (61), 20 states have return successors, (61), 57 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-28 02:41:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 550 transitions. [2024-11-28 02:41:29,702 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 550 transitions. Word has length 143 [2024-11-28 02:41:29,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:29,702 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 550 transitions. [2024-11-28 02:41:29,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:41:29,703 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 550 transitions. [2024-11-28 02:41:29,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-28 02:41:29,704 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:29,704 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:29,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (35)] Forceful destruction successful, exit code 0 [2024-11-28 02:41:29,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:29,904 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:29,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:29,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1572302713, now seen corresponding path program 1 times [2024-11-28 02:41:29,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:29,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208357758] [2024-11-28 02:41:29,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:29,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:29,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:29,907 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:41:29,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (36)] Waiting until timeout for monitored process [2024-11-28 02:41:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:30,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 02:41:30,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:31,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-28 02:41:31,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-28 02:41:31,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-28 02:41:31,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:41:31,529 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 7 proven. 309 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-11-28 02:41:31,529 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:31,914 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:41:31,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 32 [2024-11-28 02:41:32,116 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:32,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208357758] [2024-11-28 02:41:32,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208357758] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:32,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1730801299] [2024-11-28 02:41:32,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:32,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:41:32,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:41:32,123 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:41:32,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-28 02:41:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:33,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 02:41:33,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:33,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-28 02:41:33,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-28 02:41:33,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:41:34,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-11-28 02:41:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:41:34,153 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:41:34,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1730801299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:34,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:41:34,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2024-11-28 02:41:34,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398491464] [2024-11-28 02:41:34,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:34,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:41:34,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:34,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:41:34,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2024-11-28 02:41:34,154 INFO L87 Difference]: Start difference. First operand 468 states and 550 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:41:35,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:35,299 INFO L93 Difference]: Finished difference Result 1450 states and 1690 transitions. [2024-11-28 02:41:35,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:41:35,300 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-11-28 02:41:35,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:35,303 INFO L225 Difference]: With dead ends: 1450 [2024-11-28 02:41:35,303 INFO L226 Difference]: Without dead ends: 1012 [2024-11-28 02:41:35,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2024-11-28 02:41:35,304 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 322 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:35,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 997 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:41:35,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2024-11-28 02:41:35,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 773. [2024-11-28 02:41:35,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 642 states have (on average 1.1168224299065421) internal successors, (717), 647 states have internal predecessors, (717), 95 states have call successors, (95), 35 states have call predecessors, (95), 35 states have return successors, (95), 90 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-28 02:41:35,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 907 transitions. [2024-11-28 02:41:35,526 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 907 transitions. Word has length 144 [2024-11-28 02:41:35,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:35,526 INFO L471 AbstractCegarLoop]: Abstraction has 773 states and 907 transitions. [2024-11-28 02:41:35,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:41:35,526 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 907 transitions. [2024-11-28 02:41:35,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 02:41:35,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:35,528 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:35,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-28 02:41:35,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (36)] Ended with exit code 0 [2024-11-28 02:41:35,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:35,929 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:35,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:35,930 INFO L85 PathProgramCache]: Analyzing trace with hash 58935584, now seen corresponding path program 1 times [2024-11-28 02:41:35,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:35,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475049871] [2024-11-28 02:41:35,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:35,930 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:35,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:35,932 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:41:35,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (38)] Waiting until timeout for monitored process [2024-11-28 02:41:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:36,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 02:41:36,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:36,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-28 02:41:36,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-28 02:41:36,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 02:41:37,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 58 [2024-11-28 02:41:37,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-28 02:41:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 8 proven. 312 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-28 02:41:37,137 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:41:37,357 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:37,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475049871] [2024-11-28 02:41:37,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1475049871] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:37,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:41:37,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 20 [2024-11-28 02:41:37,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112441242] [2024-11-28 02:41:37,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:37,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:41:37,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:37,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:41:37,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-28 02:41:37,359 INFO L87 Difference]: Start difference. First operand 773 states and 907 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:41:37,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:37,946 INFO L93 Difference]: Finished difference Result 1712 states and 2007 transitions. [2024-11-28 02:41:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:41:37,947 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-11-28 02:41:37,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:37,951 INFO L225 Difference]: With dead ends: 1712 [2024-11-28 02:41:37,951 INFO L226 Difference]: Without dead ends: 969 [2024-11-28 02:41:37,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2024-11-28 02:41:37,953 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 64 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:37,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1223 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:41:37,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2024-11-28 02:41:38,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 833. [2024-11-28 02:41:38,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 702 states have (on average 1.1196581196581197) internal successors, (786), 707 states have internal predecessors, (786), 95 states have call successors, (95), 35 states have call predecessors, (95), 35 states have return successors, (95), 90 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-28 02:41:38,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 976 transitions. [2024-11-28 02:41:38,147 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 976 transitions. Word has length 145 [2024-11-28 02:41:38,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:38,147 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 976 transitions. [2024-11-28 02:41:38,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:41:38,148 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 976 transitions. [2024-11-28 02:41:38,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 02:41:38,149 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:38,149 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:38,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (38)] Ended with exit code 0 [2024-11-28 02:41:38,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:38,350 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:38,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:38,351 INFO L85 PathProgramCache]: Analyzing trace with hash -633356787, now seen corresponding path program 1 times [2024-11-28 02:41:38,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:38,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290614930] [2024-11-28 02:41:38,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:38,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:38,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:38,354 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:41:38,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (39)] Waiting until timeout for monitored process [2024-11-28 02:41:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:38,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 02:41:38,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:40,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 50 [2024-11-28 02:41:40,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:41:40,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 65 [2024-11-28 02:41:40,371 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:41:40,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:40,585 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:40,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290614930] [2024-11-28 02:41:40,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290614930] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:40,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1306425671] [2024-11-28 02:41:40,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:40,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:41:40,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:41:40,587 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:41:40,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-28 02:41:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:42,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 02:41:42,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:43,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:41:44,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:41:44,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 50 [2024-11-28 02:41:44,836 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:41:44,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:44,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1306425671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:44,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:41:44,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2024-11-28 02:41:44,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012000902] [2024-11-28 02:41:44,946 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:41:44,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 02:41:44,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:44,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 02:41:44,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:41:44,948 INFO L87 Difference]: Start difference. First operand 833 states and 976 transitions. Second operand has 21 states, 19 states have (on average 5.368421052631579) internal successors, (102), 18 states have internal predecessors, (102), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-28 02:41:47,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:47,635 INFO L93 Difference]: Finished difference Result 2313 states and 2696 transitions. [2024-11-28 02:41:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:41:47,636 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 5.368421052631579) internal successors, (102), 18 states have internal predecessors, (102), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 145 [2024-11-28 02:41:47,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:47,644 INFO L225 Difference]: With dead ends: 2313 [2024-11-28 02:41:47,644 INFO L226 Difference]: Without dead ends: 1510 [2024-11-28 02:41:47,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 333 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=262, Invalid=1070, Unknown=0, NotChecked=0, Total=1332 [2024-11-28 02:41:47,647 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 339 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:47,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 1198 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:41:47,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2024-11-28 02:41:47,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 998. [2024-11-28 02:41:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 863 states have (on average 1.1320973348783314) internal successors, (977), 868 states have internal predecessors, (977), 97 states have call successors, (97), 37 states have call predecessors, (97), 37 states have return successors, (97), 92 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-28 02:41:47,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1171 transitions. [2024-11-28 02:41:47,925 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1171 transitions. Word has length 145 [2024-11-28 02:41:47,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:47,925 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1171 transitions. [2024-11-28 02:41:47,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 5.368421052631579) internal successors, (102), 18 states have internal predecessors, (102), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-28 02:41:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1171 transitions. [2024-11-28 02:41:47,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 02:41:47,927 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:47,927 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:47,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-28 02:41:48,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (39)] Ended with exit code 0 [2024-11-28 02:41:48,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:48,328 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:48,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:48,328 INFO L85 PathProgramCache]: Analyzing trace with hash -748150647, now seen corresponding path program 1 times [2024-11-28 02:41:48,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:48,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818085334] [2024-11-28 02:41:48,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:48,329 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:48,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:48,331 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:41:48,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (41)] Waiting until timeout for monitored process [2024-11-28 02:41:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:48,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:41:48,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:48,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:41:49,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 110 [2024-11-28 02:41:49,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 53 [2024-11-28 02:41:49,477 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:41:49,477 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:41:49,477 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:49,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818085334] [2024-11-28 02:41:49,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1818085334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:49,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:49,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:41:49,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284336907] [2024-11-28 02:41:49,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:49,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:41:49,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:49,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:41:49,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:41:49,479 INFO L87 Difference]: Start difference. First operand 998 states and 1171 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:41:50,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:50,481 INFO L93 Difference]: Finished difference Result 2355 states and 2749 transitions. [2024-11-28 02:41:50,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:41:50,483 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-11-28 02:41:50,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:50,486 INFO L225 Difference]: With dead ends: 2355 [2024-11-28 02:41:50,486 INFO L226 Difference]: Without dead ends: 1387 [2024-11-28 02:41:50,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:41:50,488 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 84 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:50,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1059 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:41:50,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2024-11-28 02:41:50,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 872. [2024-11-28 02:41:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 737 states have (on average 1.1221166892808685) internal successors, (827), 742 states have internal predecessors, (827), 97 states have call successors, (97), 37 states have call predecessors, (97), 37 states have return successors, (97), 92 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-28 02:41:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1021 transitions. [2024-11-28 02:41:50,704 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1021 transitions. Word has length 145 [2024-11-28 02:41:50,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:50,704 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1021 transitions. [2024-11-28 02:41:50,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:41:50,705 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1021 transitions. [2024-11-28 02:41:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 02:41:50,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:50,706 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:50,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (41)] Ended with exit code 0 [2024-11-28 02:41:50,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:50,907 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:50,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:50,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1706915085, now seen corresponding path program 1 times [2024-11-28 02:41:50,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:50,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608181537] [2024-11-28 02:41:50,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:50,908 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:50,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:50,910 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:41:50,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (42)] Waiting until timeout for monitored process [2024-11-28 02:41:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:51,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:41:51,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:51,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:41:51,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:41:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:41:51,495 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:41:51,495 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:51,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1608181537] [2024-11-28 02:41:51,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1608181537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:51,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:51,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:41:51,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853737810] [2024-11-28 02:41:51,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:51,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:41:51,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:51,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:41:51,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:41:51,497 INFO L87 Difference]: Start difference. First operand 872 states and 1021 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:41:52,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:52,031 INFO L93 Difference]: Finished difference Result 1995 states and 2323 transitions. [2024-11-28 02:41:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:41:52,032 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-11-28 02:41:52,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:52,035 INFO L225 Difference]: With dead ends: 1995 [2024-11-28 02:41:52,036 INFO L226 Difference]: Without dead ends: 1153 [2024-11-28 02:41:52,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:41:52,037 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 115 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:52,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 1069 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:41:52,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2024-11-28 02:41:52,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1099. [2024-11-28 02:41:52,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 904 states have (on average 1.1084070796460177) internal successors, (1002), 912 states have internal predecessors, (1002), 139 states have call successors, (139), 55 states have call predecessors, (139), 55 states have return successors, (139), 131 states have call predecessors, (139), 139 states have call successors, (139) [2024-11-28 02:41:52,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1280 transitions. [2024-11-28 02:41:52,296 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1280 transitions. Word has length 145 [2024-11-28 02:41:52,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:52,297 INFO L471 AbstractCegarLoop]: Abstraction has 1099 states and 1280 transitions. [2024-11-28 02:41:52,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:41:52,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1280 transitions. [2024-11-28 02:41:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 02:41:52,298 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:52,298 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:52,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (42)] Ended with exit code 0 [2024-11-28 02:41:52,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:52,499 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:52,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:52,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1120109071, now seen corresponding path program 1 times [2024-11-28 02:41:52,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:52,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805304422] [2024-11-28 02:41:52,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:52,500 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:52,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:52,503 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:41:52,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (43)] Waiting until timeout for monitored process [2024-11-28 02:41:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:52,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 02:41:52,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:53,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:41:54,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:41:54,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:41:54,158 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-28 02:41:54,158 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:55,171 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:41:55,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-28 02:41:55,309 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:41:55,309 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:55,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805304422] [2024-11-28 02:41:55,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805304422] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:41:55,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:41:55,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 31 [2024-11-28 02:41:55,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855712666] [2024-11-28 02:41:55,310 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:41:55,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-28 02:41:55,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:55,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-28 02:41:55,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=773, Unknown=0, NotChecked=0, Total=930 [2024-11-28 02:41:55,311 INFO L87 Difference]: Start difference. First operand 1099 states and 1280 transitions. Second operand has 31 states, 27 states have (on average 4.333333333333333) internal successors, (117), 29 states have internal predecessors, (117), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:41:58,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:58,236 INFO L93 Difference]: Finished difference Result 2171 states and 2521 transitions. [2024-11-28 02:41:58,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 02:41:58,236 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 27 states have (on average 4.333333333333333) internal successors, (117), 29 states have internal predecessors, (117), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 145 [2024-11-28 02:41:58,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:58,241 INFO L225 Difference]: With dead ends: 2171 [2024-11-28 02:41:58,241 INFO L226 Difference]: Without dead ends: 1102 [2024-11-28 02:41:58,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 260 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=466, Invalid=1886, Unknown=0, NotChecked=0, Total=2352 [2024-11-28 02:41:58,244 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 465 mSDsluCounter, 2274 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 2466 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:58,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 2466 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 02:41:58,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2024-11-28 02:41:58,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1076. [2024-11-28 02:41:58,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 881 states have (on average 1.1032917139614076) internal successors, (972), 889 states have internal predecessors, (972), 139 states have call successors, (139), 55 states have call predecessors, (139), 55 states have return successors, (139), 131 states have call predecessors, (139), 139 states have call successors, (139) [2024-11-28 02:41:58,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1250 transitions. [2024-11-28 02:41:58,519 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1250 transitions. Word has length 145 [2024-11-28 02:41:58,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:58,520 INFO L471 AbstractCegarLoop]: Abstraction has 1076 states and 1250 transitions. [2024-11-28 02:41:58,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 27 states have (on average 4.333333333333333) internal successors, (117), 29 states have internal predecessors, (117), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:41:58,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1250 transitions. [2024-11-28 02:41:58,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 02:41:58,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:58,522 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:58,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (43)] Ended with exit code 0 [2024-11-28 02:41:58,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:58,722 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:58,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:58,723 INFO L85 PathProgramCache]: Analyzing trace with hash -209710065, now seen corresponding path program 1 times [2024-11-28 02:41:58,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:58,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547327960] [2024-11-28 02:41:58,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:58,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:58,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:58,727 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:41:58,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (44)] Waiting until timeout for monitored process [2024-11-28 02:41:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:59,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:41:59,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:59,176 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:41:59,176 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:41:59,176 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:59,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547327960] [2024-11-28 02:41:59,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [547327960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:59,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:59,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:41:59,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685287269] [2024-11-28 02:41:59,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:59,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:41:59,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:59,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:41:59,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:41:59,178 INFO L87 Difference]: Start difference. First operand 1076 states and 1250 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:41:59,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:59,569 INFO L93 Difference]: Finished difference Result 1812 states and 2096 transitions. [2024-11-28 02:41:59,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:41:59,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 145 [2024-11-28 02:41:59,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:59,573 INFO L225 Difference]: With dead ends: 1812 [2024-11-28 02:41:59,573 INFO L226 Difference]: Without dead ends: 742 [2024-11-28 02:41:59,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:41:59,575 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:59,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 512 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:41:59,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-28 02:41:59,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 516. [2024-11-28 02:41:59,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 439 states have (on average 1.1138952164009113) internal successors, (489), 441 states have internal predecessors, (489), 55 states have call successors, (55), 21 states have call predecessors, (55), 21 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-28 02:41:59,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 599 transitions. [2024-11-28 02:41:59,678 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 599 transitions. Word has length 145 [2024-11-28 02:41:59,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:59,679 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 599 transitions. [2024-11-28 02:41:59,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:41:59,679 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 599 transitions. [2024-11-28 02:41:59,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 02:41:59,680 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:59,680 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:59,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (44)] Ended with exit code 0 [2024-11-28 02:41:59,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:59,880 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:59,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:59,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1975977857, now seen corresponding path program 1 times [2024-11-28 02:41:59,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:59,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50496806] [2024-11-28 02:41:59,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:59,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:59,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:59,883 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:41:59,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (45)] Waiting until timeout for monitored process [2024-11-28 02:42:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:00,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 02:42:00,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:00,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-28 02:42:00,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-11-28 02:42:01,348 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 10 proven. 294 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-28 02:42:01,348 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:01,883 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:42:01,883 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:42:01,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50496806] [2024-11-28 02:42:01,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [50496806] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:01,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:42:01,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-28 02:42:01,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920125681] [2024-11-28 02:42:01,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:01,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:42:01,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:42:01,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:42:01,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:42:01,884 INFO L87 Difference]: Start difference. First operand 516 states and 599 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:42:02,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:02,167 INFO L93 Difference]: Finished difference Result 1170 states and 1347 transitions. [2024-11-28 02:42:02,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:42:02,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2024-11-28 02:42:02,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:02,170 INFO L225 Difference]: With dead ends: 1170 [2024-11-28 02:42:02,171 INFO L226 Difference]: Without dead ends: 684 [2024-11-28 02:42:02,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:42:02,172 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 88 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:02,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 418 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:42:02,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-28 02:42:02,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 672. [2024-11-28 02:42:02,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 580 states have (on average 1.1) internal successors, (638), 584 states have internal predecessors, (638), 67 states have call successors, (67), 24 states have call predecessors, (67), 24 states have return successors, (67), 63 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-28 02:42:02,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 772 transitions. [2024-11-28 02:42:02,315 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 772 transitions. Word has length 147 [2024-11-28 02:42:02,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:02,315 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 772 transitions. [2024-11-28 02:42:02,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:42:02,315 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 772 transitions. [2024-11-28 02:42:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 02:42:02,317 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:02,317 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:02,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (45)] Ended with exit code 0 [2024-11-28 02:42:02,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:42:02,517 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:02,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:02,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1342729418, now seen corresponding path program 1 times [2024-11-28 02:42:02,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:42:02,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850358049] [2024-11-28 02:42:02,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:02,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:42:02,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:42:02,520 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:42:02,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (46)] Waiting until timeout for monitored process [2024-11-28 02:42:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:02,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:42:02,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:03,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:42:03,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:42:03,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:42:03,844 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 02:42:03,844 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:04,336 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:42:04,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-28 02:42:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:42:04,514 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:42:04,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850358049] [2024-11-28 02:42:04,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850358049] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:42:04,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:42:04,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-28 02:42:04,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794837303] [2024-11-28 02:42:04,514 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:04,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 02:42:04,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:42:04,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 02:42:04,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:42:04,516 INFO L87 Difference]: Start difference. First operand 672 states and 772 transitions. Second operand has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:42:06,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:06,595 INFO L93 Difference]: Finished difference Result 1535 states and 1755 transitions. [2024-11-28 02:42:06,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 02:42:06,595 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 148 [2024-11-28 02:42:06,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:06,598 INFO L225 Difference]: With dead ends: 1535 [2024-11-28 02:42:06,598 INFO L226 Difference]: Without dead ends: 897 [2024-11-28 02:42:06,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 02:42:06,600 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 948 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:06,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 934 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [338 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:42:06,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2024-11-28 02:42:06,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 650. [2024-11-28 02:42:06,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 548 states have (on average 1.0875912408759123) internal successors, (596), 553 states have internal predecessors, (596), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 70 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-28 02:42:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 746 transitions. [2024-11-28 02:42:06,740 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 746 transitions. Word has length 148 [2024-11-28 02:42:06,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:06,740 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 746 transitions. [2024-11-28 02:42:06,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-28 02:42:06,740 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 746 transitions. [2024-11-28 02:42:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:42:06,741 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:06,742 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:06,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (46)] Ended with exit code 0 [2024-11-28 02:42:06,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:42:06,946 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:06,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:06,947 INFO L85 PathProgramCache]: Analyzing trace with hash -660642759, now seen corresponding path program 1 times [2024-11-28 02:42:06,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:42:06,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773796883] [2024-11-28 02:42:06,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:06,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:42:06,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:42:06,950 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:42:06,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (47)] Waiting until timeout for monitored process [2024-11-28 02:42:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:07,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:42:07,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:07,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:42:07,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:42:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:42:07,391 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:42:07,391 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:42:07,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773796883] [2024-11-28 02:42:07,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773796883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:07,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:07,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:42:07,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706847092] [2024-11-28 02:42:07,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:07,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:42:07,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:42:07,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:42:07,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:42:07,392 INFO L87 Difference]: Start difference. First operand 650 states and 746 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:42:07,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:07,850 INFO L93 Difference]: Finished difference Result 1401 states and 1599 transitions. [2024-11-28 02:42:07,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:42:07,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-28 02:42:07,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:07,852 INFO L225 Difference]: With dead ends: 1401 [2024-11-28 02:42:07,852 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 02:42:07,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:42:07,853 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 114 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:07,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 575 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:42:07,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 02:42:07,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 02:42:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:42:07,856 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2024-11-28 02:42:07,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:07,856 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:42:07,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:42:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:42:07,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 02:42:07,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:42:07,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/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 (47)] Forceful destruction successful, exit code 0 [2024-11-28 02:42:08,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1dabb-2423-455b-b971-1aab4fdeccf8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:42:08,062 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:08,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 02:42:22,228 WARN L286 SmtUtils]: Spent 14.16s on a formula simplification. DAG size of input: 313 DAG size of output: 478 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:44:10,599 WARN L286 SmtUtils]: Spent 1.81m on a formula simplification. DAG size of input: 262 DAG size of output: 354 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:44:19,039 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification. DAG size of input: 281 DAG size of output: 445 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:44:32,574 WARN L286 SmtUtils]: Spent 13.53s on a formula simplification. DAG size of input: 313 DAG size of output: 478 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:44:44,546 WARN L286 SmtUtils]: Spent 11.97s on a formula simplification. DAG size of input: 253 DAG size of output: 375 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:44:58,030 WARN L286 SmtUtils]: Spent 13.48s on a formula simplification. DAG size of input: 313 DAG size of output: 478 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:45:09,030 WARN L286 SmtUtils]: Spent 11.00s on a formula simplification. DAG size of input: 247 DAG size of output: 270 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:45:16,370 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 217 DAG size of output: 202 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:46:03,839 WARN L286 SmtUtils]: Spent 7.66s on a formula simplification. DAG size of input: 226 DAG size of output: 179 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:46:24,381 WARN L286 SmtUtils]: Spent 20.54s on a formula simplification. DAG size of input: 242 DAG size of output: 232 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:46:52,222 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification. DAG size of input: 225 DAG size of output: 210 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:47:27,695 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 218 DAG size of output: 175 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:47:48,258 WARN L286 SmtUtils]: Spent 18.45s on a formula simplification. DAG size of input: 243 DAG size of output: 198 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:48:05,100 WARN L286 SmtUtils]: Spent 9.55s on a formula simplification. DAG size of input: 232 DAG size of output: 185 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:48:21,891 WARN L286 SmtUtils]: Spent 11.02s on a formula simplification. DAG size of input: 231 DAG size of output: 216 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:48:31,906 WARN L286 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 209 DAG size of output: 194 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:48:49,160 WARN L286 SmtUtils]: Spent 17.25s on a formula simplification. DAG size of input: 223 DAG size of output: 299 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:49:10,620 WARN L286 SmtUtils]: Spent 21.46s on a formula simplification. DAG size of input: 347 DAG size of output: 520 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:49:37,644 WARN L286 SmtUtils]: Spent 27.02s on a formula simplification. DAG size of input: 227 DAG size of output: 304 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:49:52,021 WARN L286 SmtUtils]: Spent 14.38s on a formula simplification. DAG size of input: 253 DAG size of output: 375 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:50:07,728 WARN L286 SmtUtils]: Spent 15.71s on a formula simplification. DAG size of input: 313 DAG size of output: 478 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:50:17,716 WARN L286 SmtUtils]: Spent 9.99s on a formula simplification. DAG size of input: 281 DAG size of output: 445 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:50:46,082 WARN L286 SmtUtils]: Spent 28.37s on a formula simplification. DAG size of input: 249 DAG size of output: 256 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:51:01,948 WARN L286 SmtUtils]: Spent 15.86s on a formula simplification. DAG size of input: 313 DAG size of output: 478 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:51:23,826 WARN L286 SmtUtils]: Spent 21.88s on a formula simplification. DAG size of input: 244 DAG size of output: 256 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:51:54,682 WARN L286 SmtUtils]: Spent 30.86s on a formula simplification. DAG size of input: 227 DAG size of output: 304 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:52:01,569 WARN L286 SmtUtils]: Spent 6.89s on a formula simplification. DAG size of input: 254 DAG size of output: 249 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:52:16,262 WARN L286 SmtUtils]: Spent 10.51s on a formula simplification. DAG size of input: 219 DAG size of output: 218 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:52:22,916 WARN L286 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 243 DAG size of output: 238 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:52:29,040 WARN L286 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 254 DAG size of output: 249 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:52:42,282 WARN L286 SmtUtils]: Spent 13.24s on a formula simplification. DAG size of input: 263 DAG size of output: 264 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)