./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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_2487043f-42aa-42fd-a826-b919697ac8c7/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 fdbb2557d13c4ebf5afc59b31f2554eb4dac84eb5f5361696929e0578cc40049 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:23:27,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:23:28,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:23:28,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:23:28,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:23:28,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:23:28,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:23:28,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:23:28,089 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:23:28,089 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:23:28,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:23:28,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:23:28,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:23:28,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:23:28,092 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:23:28,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:23:28,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:23:28,093 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:23:28,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:23:28,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:23:28,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:23:28,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:23:28,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:23:28,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:23:28,094 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:23:28,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:23:28,094 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:23:28,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:23:28,095 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:23:28,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:23:28,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:23:28,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:23:28,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:23:28,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:23:28,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:23:28,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:23:28,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:23:28,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:23:28,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:23:28,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:23:28,097 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:23:28,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:23:28,098 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:23:28,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:23:28,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:23:28,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:23:28,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:23:28,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:23:28,098 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_2487043f-42aa-42fd-a826-b919697ac8c7/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 -> fdbb2557d13c4ebf5afc59b31f2554eb4dac84eb5f5361696929e0578cc40049 [2024-11-28 03:23:28,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:23:28,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:23:28,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:23:28,463 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:23:28,463 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:23:28,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-96.i [2024-11-28 03:23:31,570 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/data/deede497f/728f78cc52274fec9fe1c6871b19cfdf/FLAGe8130fd67 [2024-11-28 03:23:31,884 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:23:31,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-96.i [2024-11-28 03:23:31,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/data/deede497f/728f78cc52274fec9fe1c6871b19cfdf/FLAGe8130fd67 [2024-11-28 03:23:31,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/data/deede497f/728f78cc52274fec9fe1c6871b19cfdf [2024-11-28 03:23:31,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:23:31,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:23:31,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:23:31,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:23:31,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:23:31,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:31" (1/1) ... [2024-11-28 03:23:31,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1971390e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:31, skipping insertion in model container [2024-11-28 03:23:31,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:31" (1/1) ... [2024-11-28 03:23:31,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:23:32,138 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_2487043f-42aa-42fd-a826-b919697ac8c7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-96.i[916,929] [2024-11-28 03:23:32,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:23:32,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:23:32,255 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_2487043f-42aa-42fd-a826-b919697ac8c7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-96.i[916,929] [2024-11-28 03:23:32,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:23:32,362 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:23:32,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32 WrapperNode [2024-11-28 03:23:32,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:23:32,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:23:32,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:23:32,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:23:32,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (1/1) ... [2024-11-28 03:23:32,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (1/1) ... [2024-11-28 03:23:32,451 INFO L138 Inliner]: procedures = 29, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 486 [2024-11-28 03:23:32,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:23:32,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:23:32,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:23:32,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:23:32,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (1/1) ... [2024-11-28 03:23:32,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (1/1) ... [2024-11-28 03:23:32,468 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (1/1) ... [2024-11-28 03:23:32,487 INFO L175 MemorySlicer]: Split 127 memory accesses to 7 slices as follows [2, 32, 25, 3, 9, 15, 41]. 32 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 3, 1, 2, 1, 3]. The 18 writes are split as follows [0, 6, 4, 1, 2, 1, 4]. [2024-11-28 03:23:32,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (1/1) ... [2024-11-28 03:23:32,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (1/1) ... [2024-11-28 03:23:32,508 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (1/1) ... [2024-11-28 03:23:32,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (1/1) ... [2024-11-28 03:23:32,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (1/1) ... [2024-11-28 03:23:32,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (1/1) ... [2024-11-28 03:23:32,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (1/1) ... [2024-11-28 03:23:32,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:23:32,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:23:32,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:23:32,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:23:32,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (1/1) ... [2024-11-28 03:23:32,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:23:32,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:32,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:23:32,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:23:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:23:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 03:23:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 03:23:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 03:23:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 03:23:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 03:23:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-28 03:23:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-28 03:23:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:23:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:23:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:23:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:23:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:23:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:23:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:23:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 03:23:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 03:23:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 03:23:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 03:23:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-28 03:23:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-28 03:23:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-28 03:23:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:23:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:23:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:23:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:23:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:23:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:23:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:23:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 03:23:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 03:23:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 03:23:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 03:23:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-28 03:23:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-28 03:23:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-28 03:23:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:23:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:23:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:23:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:23:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:23:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:23:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:23:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:23:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:23:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:23:32,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:23:32,813 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:23:32,815 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:23:33,448 INFO L? ?]: Removed 113 outVars from TransFormulas that were not future-live. [2024-11-28 03:23:33,448 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:23:33,507 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:23:33,507 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:23:33,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:33 BoogieIcfgContainer [2024-11-28 03:23:33,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:23:33,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:23:33,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:23:33,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:23:33,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:23:31" (1/3) ... [2024-11-28 03:23:33,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@834e61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:23:33, skipping insertion in model container [2024-11-28 03:23:33,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:32" (2/3) ... [2024-11-28 03:23:33,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@834e61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:23:33, skipping insertion in model container [2024-11-28 03:23:33,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:33" (3/3) ... [2024-11-28 03:23:33,520 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-96.i [2024-11-28 03:23:33,537 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:23:33,538 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-96.i that has 2 procedures, 108 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:23:33,609 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:23:33,628 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;@25554ed1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:23:33,629 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:23:33,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:23:33,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:23:33,648 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:33,649 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:33,650 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:33,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:33,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1693081771, now seen corresponding path program 1 times [2024-11-28 03:23:33,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:33,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905075697] [2024-11-28 03:23:33,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:33,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-28 03:23:34,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:34,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905075697] [2024-11-28 03:23:34,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905075697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:23:34,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417884219] [2024-11-28 03:23:34,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:34,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:34,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:34,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:23:34,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:23:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:34,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:23:34,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-28 03:23:34,445 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:23:34,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417884219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:34,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:23:34,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:23:34,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017091310] [2024-11-28 03:23:34,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:34,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:23:34,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:34,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:23:34,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:23:34,503 INFO L87 Difference]: Start difference. First operand has 108 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:23:34,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:34,538 INFO L93 Difference]: Finished difference Result 209 states and 328 transitions. [2024-11-28 03:23:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:23:34,540 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2024-11-28 03:23:34,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:34,552 INFO L225 Difference]: With dead ends: 209 [2024-11-28 03:23:34,552 INFO L226 Difference]: Without dead ends: 104 [2024-11-28 03:23:34,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:23:34,559 INFO L435 NwaCegarLoop]: 152 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, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:34,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:23:34,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-28 03:23:34,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-28 03:23:34,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 86 states have internal predecessors, (120), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:23:34,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 152 transitions. [2024-11-28 03:23:34,618 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 152 transitions. Word has length 131 [2024-11-28 03:23:34,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:34,620 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 152 transitions. [2024-11-28 03:23:34,621 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:23:34,621 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2024-11-28 03:23:34,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:23:34,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:34,626 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:34,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:23:34,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:23:34,827 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:34,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:34,828 INFO L85 PathProgramCache]: Analyzing trace with hash -694052529, now seen corresponding path program 1 times [2024-11-28 03:23:34,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:34,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186526808] [2024-11-28 03:23:34,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:34,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:35,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:35,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186526808] [2024-11-28 03:23:35,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186526808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:35,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:35,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:23:35,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647468043] [2024-11-28 03:23:35,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:35,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:23:35,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:35,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:23:35,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:23:35,360 INFO L87 Difference]: Start difference. First operand 104 states and 152 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:35,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:35,427 INFO L93 Difference]: Finished difference Result 208 states and 305 transitions. [2024-11-28 03:23:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:23:35,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 03:23:35,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:35,429 INFO L225 Difference]: With dead ends: 208 [2024-11-28 03:23:35,430 INFO L226 Difference]: Without dead ends: 107 [2024-11-28 03:23:35,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:23:35,431 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 436 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 03:23:35,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 436 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:23:35,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-28 03:23:35,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 106. [2024-11-28 03:23:35,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 88 states have (on average 1.3863636363636365) internal successors, (122), 88 states have internal predecessors, (122), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:23:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2024-11-28 03:23:35,459 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 131 [2024-11-28 03:23:35,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:35,460 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2024-11-28 03:23:35,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2024-11-28 03:23:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:23:35,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:35,464 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:35,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:23:35,465 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:35,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:35,466 INFO L85 PathProgramCache]: Analyzing trace with hash -13994159, now seen corresponding path program 1 times [2024-11-28 03:23:35,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:35,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067770653] [2024-11-28 03:23:35,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:35,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:35,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:35,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067770653] [2024-11-28 03:23:35,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067770653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:35,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:35,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:23:35,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253454565] [2024-11-28 03:23:35,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:35,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:23:35,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:35,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:23:35,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:23:35,772 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:35,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:35,829 INFO L93 Difference]: Finished difference Result 212 states and 309 transitions. [2024-11-28 03:23:35,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:23:35,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 03:23:35,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:35,832 INFO L225 Difference]: With dead ends: 212 [2024-11-28 03:23:35,832 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 03:23:35,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:23:35,837 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 437 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 03:23:35,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 437 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:23:35,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 03:23:35,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-11-28 03:23:35,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 90 states have internal predecessors, (124), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:23:35,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 156 transitions. [2024-11-28 03:23:35,859 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 156 transitions. Word has length 131 [2024-11-28 03:23:35,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:35,860 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 156 transitions. [2024-11-28 03:23:35,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:35,860 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 156 transitions. [2024-11-28 03:23:35,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:23:35,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:35,865 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:35,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:23:35,865 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:35,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:35,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1761013203, now seen corresponding path program 1 times [2024-11-28 03:23:35,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:35,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969603782] [2024-11-28 03:23:35,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:35,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:36,146 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:36,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:36,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969603782] [2024-11-28 03:23:36,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969603782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:36,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:36,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:23:36,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217748144] [2024-11-28 03:23:36,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:36,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:23:36,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:36,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:23:36,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:23:36,150 INFO L87 Difference]: Start difference. First operand 108 states and 156 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:36,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:36,190 INFO L93 Difference]: Finished difference Result 216 states and 313 transitions. [2024-11-28 03:23:36,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:23:36,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 03:23:36,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:36,192 INFO L225 Difference]: With dead ends: 216 [2024-11-28 03:23:36,192 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 03:23:36,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:23:36,194 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 439 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 03:23:36,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 439 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:23:36,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 03:23:36,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-11-28 03:23:36,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.3695652173913044) internal successors, (126), 92 states have internal predecessors, (126), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:23:36,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2024-11-28 03:23:36,214 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 131 [2024-11-28 03:23:36,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:36,216 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2024-11-28 03:23:36,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:36,217 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2024-11-28 03:23:36,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:23:36,220 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:36,220 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:36,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:23:36,221 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:36,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:36,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1762860245, now seen corresponding path program 1 times [2024-11-28 03:23:36,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:36,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456865102] [2024-11-28 03:23:36,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:36,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:36,680 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:36,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:36,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456865102] [2024-11-28 03:23:36,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456865102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:36,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:36,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:23:36,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227230079] [2024-11-28 03:23:36,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:36,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:23:36,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:36,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:23:36,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:23:36,686 INFO L87 Difference]: Start difference. First operand 110 states and 158 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:36,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:36,767 INFO L93 Difference]: Finished difference Result 219 states and 316 transitions. [2024-11-28 03:23:36,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:23:36,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 03:23:36,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:36,773 INFO L225 Difference]: With dead ends: 219 [2024-11-28 03:23:36,773 INFO L226 Difference]: Without dead ends: 112 [2024-11-28 03:23:36,773 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 03:23:36,774 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:36,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 567 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:23:36,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-28 03:23:36,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-28 03:23:36,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.3617021276595744) internal successors, (128), 94 states have internal predecessors, (128), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:23:36,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 160 transitions. [2024-11-28 03:23:36,790 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 160 transitions. Word has length 131 [2024-11-28 03:23:36,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:36,790 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 160 transitions. [2024-11-28 03:23:36,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:36,791 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2024-11-28 03:23:36,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:23:36,792 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:36,792 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:36,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:23:36,795 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:36,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:36,796 INFO L85 PathProgramCache]: Analyzing trace with hash 73916503, now seen corresponding path program 1 times [2024-11-28 03:23:36,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:36,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041581093] [2024-11-28 03:23:36,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:36,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:38,063 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:38,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:38,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041581093] [2024-11-28 03:23:38,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041581093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:38,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:38,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:23:38,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306196450] [2024-11-28 03:23:38,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:38,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:23:38,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:38,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:23:38,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:23:38,066 INFO L87 Difference]: Start difference. First operand 112 states and 160 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:23:38,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:38,359 INFO L93 Difference]: Finished difference Result 320 states and 459 transitions. [2024-11-28 03:23:38,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:23:38,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2024-11-28 03:23:38,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:38,361 INFO L225 Difference]: With dead ends: 320 [2024-11-28 03:23:38,362 INFO L226 Difference]: Without dead ends: 211 [2024-11-28 03:23:38,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:23:38,363 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 125 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:38,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 942 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:23:38,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-28 03:23:38,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 208. [2024-11-28 03:23:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 177 states have (on average 1.3728813559322033) internal successors, (243), 178 states have internal predecessors, (243), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:23:38,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 299 transitions. [2024-11-28 03:23:38,379 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 299 transitions. Word has length 131 [2024-11-28 03:23:38,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:38,380 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 299 transitions. [2024-11-28 03:23:38,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:23:38,380 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 299 transitions. [2024-11-28 03:23:38,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 03:23:38,382 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:38,382 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:38,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:23:38,382 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:38,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:38,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1440683534, now seen corresponding path program 1 times [2024-11-28 03:23:38,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:38,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606115948] [2024-11-28 03:23:38,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:38,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:38,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:38,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606115948] [2024-11-28 03:23:38,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606115948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:38,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:38,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:23:38,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977809720] [2024-11-28 03:23:38,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:38,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:23:38,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:38,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:23:38,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:23:38,526 INFO L87 Difference]: Start difference. First operand 208 states and 299 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:38,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:38,572 INFO L93 Difference]: Finished difference Result 451 states and 646 transitions. [2024-11-28 03:23:38,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:23:38,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-28 03:23:38,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:38,575 INFO L225 Difference]: With dead ends: 451 [2024-11-28 03:23:38,577 INFO L226 Difference]: Without dead ends: 246 [2024-11-28 03:23:38,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:23:38,580 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 66 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:38,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 356 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:23:38,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-28 03:23:38,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 208. [2024-11-28 03:23:38,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 177 states have (on average 1.3672316384180792) internal successors, (242), 178 states have internal predecessors, (242), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:23:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 298 transitions. [2024-11-28 03:23:38,609 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 298 transitions. Word has length 133 [2024-11-28 03:23:38,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:38,610 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 298 transitions. [2024-11-28 03:23:38,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:38,610 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 298 transitions. [2024-11-28 03:23:38,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 03:23:38,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:38,612 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:38,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:23:38,613 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:38,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:38,614 INFO L85 PathProgramCache]: Analyzing trace with hash -400802187, now seen corresponding path program 1 times [2024-11-28 03:23:38,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:38,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587165399] [2024-11-28 03:23:38,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:38,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:38,967 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 03:23:38,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:38,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587165399] [2024-11-28 03:23:38,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587165399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:23:38,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301241963] [2024-11-28 03:23:38,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:38,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:38,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:38,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:23:38,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:23:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:39,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:23:39,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:39,365 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:23:39,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301241963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:39,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:23:39,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-28 03:23:39,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813217760] [2024-11-28 03:23:39,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:39,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:23:39,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:39,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:23:39,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:23:39,370 INFO L87 Difference]: Start difference. First operand 208 states and 298 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:39,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:39,425 INFO L93 Difference]: Finished difference Result 419 states and 601 transitions. [2024-11-28 03:23:39,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:23:39,426 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-28 03:23:39,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:39,427 INFO L225 Difference]: With dead ends: 419 [2024-11-28 03:23:39,428 INFO L226 Difference]: Without dead ends: 214 [2024-11-28 03:23:39,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:23:39,429 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:39,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 579 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:23:39,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-28 03:23:39,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-11-28 03:23:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 183 states have (on average 1.355191256830601) internal successors, (248), 184 states have internal predecessors, (248), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:23:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 304 transitions. [2024-11-28 03:23:39,443 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 304 transitions. Word has length 133 [2024-11-28 03:23:39,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:39,443 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 304 transitions. [2024-11-28 03:23:39,444 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:39,444 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 304 transitions. [2024-11-28 03:23:39,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 03:23:39,445 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:39,445 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:39,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:23:39,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-28 03:23:39,647 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:39,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:39,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1332466096, now seen corresponding path program 1 times [2024-11-28 03:23:39,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:39,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194447738] [2024-11-28 03:23:39,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:39,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:39,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:39,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194447738] [2024-11-28 03:23:39,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194447738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:39,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:39,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:23:39,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126552445] [2024-11-28 03:23:39,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:39,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:23:39,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:39,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:23:39,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:23:39,764 INFO L87 Difference]: Start difference. First operand 214 states and 304 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:39,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:39,807 INFO L93 Difference]: Finished difference Result 424 states and 601 transitions. [2024-11-28 03:23:39,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:23:39,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-28 03:23:39,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:39,810 INFO L225 Difference]: With dead ends: 424 [2024-11-28 03:23:39,810 INFO L226 Difference]: Without dead ends: 213 [2024-11-28 03:23:39,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:23:39,811 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 64 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:39,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 304 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:23:39,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-28 03:23:39,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 210. [2024-11-28 03:23:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 179 states have (on average 1.3463687150837989) internal successors, (241), 180 states have internal predecessors, (241), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:23:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 297 transitions. [2024-11-28 03:23:39,835 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 297 transitions. Word has length 133 [2024-11-28 03:23:39,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:39,837 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 297 transitions. [2024-11-28 03:23:39,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 297 transitions. [2024-11-28 03:23:39,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 03:23:39,839 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:39,839 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:39,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:23:39,840 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:39,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:39,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1795743883, now seen corresponding path program 1 times [2024-11-28 03:23:39,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:39,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119555999] [2024-11-28 03:23:39,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:39,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:40,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:40,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119555999] [2024-11-28 03:23:40,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119555999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:40,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:40,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:23:40,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127353299] [2024-11-28 03:23:40,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:40,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:23:40,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:40,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:23:40,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:23:40,127 INFO L87 Difference]: Start difference. First operand 210 states and 297 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:40,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:40,372 INFO L93 Difference]: Finished difference Result 616 states and 868 transitions. [2024-11-28 03:23:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:23:40,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-28 03:23:40,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:40,376 INFO L225 Difference]: With dead ends: 616 [2024-11-28 03:23:40,376 INFO L226 Difference]: Without dead ends: 409 [2024-11-28 03:23:40,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:23:40,378 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 244 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:40,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 397 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:23:40,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-28 03:23:40,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 352. [2024-11-28 03:23:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 291 states have (on average 1.3264604810996563) internal successors, (386), 293 states have internal predecessors, (386), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 03:23:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 498 transitions. [2024-11-28 03:23:40,409 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 498 transitions. Word has length 135 [2024-11-28 03:23:40,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:40,409 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 498 transitions. [2024-11-28 03:23:40,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 498 transitions. [2024-11-28 03:23:40,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 03:23:40,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:40,411 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:40,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:23:40,412 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:40,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:40,414 INFO L85 PathProgramCache]: Analyzing trace with hash 244456330, now seen corresponding path program 1 times [2024-11-28 03:23:40,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:40,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637344251] [2024-11-28 03:23:40,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:40,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:40,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:40,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637344251] [2024-11-28 03:23:40,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637344251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:40,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:40,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:23:40,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480462370] [2024-11-28 03:23:40,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:40,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:23:40,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:40,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:23:40,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:23:40,608 INFO L87 Difference]: Start difference. First operand 352 states and 498 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:40,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:40,692 INFO L93 Difference]: Finished difference Result 670 states and 945 transitions. [2024-11-28 03:23:40,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:23:40,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-28 03:23:40,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:40,698 INFO L225 Difference]: With dead ends: 670 [2024-11-28 03:23:40,701 INFO L226 Difference]: Without dead ends: 356 [2024-11-28 03:23:40,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:23:40,702 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 61 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:40,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 432 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:23:40,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-28 03:23:40,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2024-11-28 03:23:40,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 293 states have (on average 1.3242320819112627) internal successors, (388), 295 states have internal predecessors, (388), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 03:23:40,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 500 transitions. [2024-11-28 03:23:40,744 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 500 transitions. Word has length 136 [2024-11-28 03:23:40,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:40,745 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 500 transitions. [2024-11-28 03:23:40,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:40,745 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 500 transitions. [2024-11-28 03:23:40,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 03:23:40,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:40,751 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:40,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:23:40,751 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:40,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:40,752 INFO L85 PathProgramCache]: Analyzing trace with hash -776612024, now seen corresponding path program 1 times [2024-11-28 03:23:40,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:40,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918346953] [2024-11-28 03:23:40,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:40,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 03:23:41,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:41,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918346953] [2024-11-28 03:23:41,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918346953] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:23:41,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462071678] [2024-11-28 03:23:41,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:41,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:41,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:41,064 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:23:41,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:23:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:41,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:23:41,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:41,406 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:41,406 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:23:41,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462071678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:41,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:23:41,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-11-28 03:23:41,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263219448] [2024-11-28 03:23:41,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:41,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:23:41,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:41,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:23:41,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:23:41,409 INFO L87 Difference]: Start difference. First operand 354 states and 500 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:41,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:41,477 INFO L93 Difference]: Finished difference Result 682 states and 959 transitions. [2024-11-28 03:23:41,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:23:41,477 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-28 03:23:41,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:41,480 INFO L225 Difference]: With dead ends: 682 [2024-11-28 03:23:41,480 INFO L226 Difference]: Without dead ends: 366 [2024-11-28 03:23:41,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:23:41,482 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:41,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 719 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:23:41,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-28 03:23:41,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 357. [2024-11-28 03:23:41,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 296 states have (on average 1.320945945945946) internal successors, (391), 298 states have internal predecessors, (391), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 03:23:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 503 transitions. [2024-11-28 03:23:41,516 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 503 transitions. Word has length 136 [2024-11-28 03:23:41,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:41,516 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 503 transitions. [2024-11-28 03:23:41,517 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:41,517 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 503 transitions. [2024-11-28 03:23:41,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:23:41,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:41,519 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:41,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:23:41,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:41,720 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:41,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:41,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1041886296, now seen corresponding path program 1 times [2024-11-28 03:23:41,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:41,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114087260] [2024-11-28 03:23:41,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:41,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:41,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:41,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114087260] [2024-11-28 03:23:41,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114087260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:41,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:41,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:23:41,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197619683] [2024-11-28 03:23:41,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:41,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:23:41,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:41,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:23:41,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:23:41,936 INFO L87 Difference]: Start difference. First operand 357 states and 503 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:42,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:42,123 INFO L93 Difference]: Finished difference Result 694 states and 976 transitions. [2024-11-28 03:23:42,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:23:42,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 03:23:42,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:42,127 INFO L225 Difference]: With dead ends: 694 [2024-11-28 03:23:42,127 INFO L226 Difference]: Without dead ends: 375 [2024-11-28 03:23:42,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 03:23:42,129 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 136 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:42,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 719 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:23:42,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-28 03:23:42,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 363. [2024-11-28 03:23:42,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 297 states have (on average 1.2996632996632997) internal successors, (386), 299 states have internal predecessors, (386), 60 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 03:23:42,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 506 transitions. [2024-11-28 03:23:42,177 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 506 transitions. Word has length 137 [2024-11-28 03:23:42,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:42,177 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 506 transitions. [2024-11-28 03:23:42,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:42,178 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 506 transitions. [2024-11-28 03:23:42,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:23:42,180 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:42,181 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:42,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:23:42,181 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:42,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:42,182 INFO L85 PathProgramCache]: Analyzing trace with hash 30769046, now seen corresponding path program 1 times [2024-11-28 03:23:42,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:42,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496566095] [2024-11-28 03:23:42,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:42,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:42,807 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:42,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:42,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496566095] [2024-11-28 03:23:42,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496566095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:42,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:42,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:23:42,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128939098] [2024-11-28 03:23:42,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:42,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:23:42,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:42,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:23:42,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:23:42,810 INFO L87 Difference]: Start difference. First operand 363 states and 506 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:42,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:42,909 INFO L93 Difference]: Finished difference Result 386 states and 528 transitions. [2024-11-28 03:23:42,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:23:42,910 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 03:23:42,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:42,912 INFO L225 Difference]: With dead ends: 386 [2024-11-28 03:23:42,914 INFO L226 Difference]: Without dead ends: 384 [2024-11-28 03:23:42,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 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 03:23:42,915 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 92 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:42,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 865 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:23:42,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-28 03:23:42,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-28 03:23:42,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 315 states have (on average 1.2825396825396826) internal successors, (404), 317 states have internal predecessors, (404), 60 states have call successors, (60), 8 states have call predecessors, (60), 8 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 03:23:42,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 524 transitions. [2024-11-28 03:23:42,955 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 524 transitions. Word has length 137 [2024-11-28 03:23:42,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:42,956 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 524 transitions. [2024-11-28 03:23:42,956 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:42,957 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 524 transitions. [2024-11-28 03:23:42,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:23:42,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:42,959 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:42,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:23:42,959 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:42,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:42,960 INFO L85 PathProgramCache]: Analyzing trace with hash 32616088, now seen corresponding path program 1 times [2024-11-28 03:23:42,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:42,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125307247] [2024-11-28 03:23:42,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:42,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:43,084 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:23:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:23:43,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:23:43,290 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:23:43,291 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:23:43,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:23:43,297 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:43,435 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:23:43,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:23:43 BoogieIcfgContainer [2024-11-28 03:23:43,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:23:43,446 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:23:43,446 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:23:43,446 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:23:43,447 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:33" (3/4) ... [2024-11-28 03:23:43,449 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:23:43,450 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:23:43,452 INFO L158 Benchmark]: Toolchain (without parser) took 11522.77ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 93.5MB in the beginning and 149.9MB in the end (delta: -56.4MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2024-11-28 03:23:43,452 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:23:43,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.63ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 78.7MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:23:43,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.15ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 75.1MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:23:43,453 INFO L158 Benchmark]: Boogie Preprocessor took 70.69ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 70.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:23:43,454 INFO L158 Benchmark]: RCFGBuilder took 984.18ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 88.6MB in the end (delta: -18.6MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-28 03:23:43,454 INFO L158 Benchmark]: TraceAbstraction took 9935.86ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 88.1MB in the beginning and 150.0MB in the end (delta: -61.9MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-11-28 03:23:43,455 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 218.1MB. Free memory was 150.0MB in the beginning and 149.9MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:23:43,457 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.63ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 78.7MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.15ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 75.1MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.69ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 70.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 984.18ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 88.6MB in the end (delta: -18.6MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9935.86ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 88.1MB in the beginning and 150.0MB in the end (delta: -61.9MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 218.1MB. Free memory was 150.0MB in the beginning and 149.9MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 0, 0, 0, 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 0, 0, 0, 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 0, 0, 0, 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 0, 0, 0, 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 0, 0, 0, 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 0, 0, 0, 1, 0 }; [L25-L27] double double_Array_0[3] = { 2.75, 4.575, 128.5 }; [L25-L27] double double_Array_0[3] = { 2.75, 4.575, 128.5 }; [L25-L27] double double_Array_0[3] = { 2.75, 4.575, 128.5 }; [L25-L27] double double_Array_0[3] = { 2.75, 4.575, 128.5 }; [L28-L30] float float_Array_0[1] = { 99999.25 }; [L28-L30] float float_Array_0[1] = { 99999.25 }; [L31-L33] signed char signed_char_Array_0[2] = { 1, 50 }; [L31-L33] signed char signed_char_Array_0[2] = { 1, 50 }; [L31-L33] signed char signed_char_Array_0[2] = { 1, 50 }; [L34-L36] signed long int signed_long_int_Array_0[1] = { -1000000000 }; [L34-L36] signed long int signed_long_int_Array_0[1] = { -1000000000 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 1000, 8, 8 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 1000, 8, 8 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 1000, 8, 8 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 1000, 8, 8 }; [L40] unsigned char last_1_BOOL_unsigned_char_Array_0_3_ = 1; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L105] isInitial = 1 [L106] FCALL initially() [L108] CALL updateLastVariables() [L98] EXPR BOOL_unsigned_char_Array_0[3] [L98] last_1_BOOL_unsigned_char_Array_0_3_ = BOOL_unsigned_char_Array_0[3] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L71] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L73] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L75] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] BOOL_unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L78] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] BOOL_unsigned_char_Array_0[4] = __VERIFIER_nondet_uchar() [L81] EXPR BOOL_unsigned_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[4] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[4] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] EXPR BOOL_unsigned_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[4] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[4] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] double_Array_0[0] = __VERIFIER_nondet_double() [L84] EXPR double_Array_0[0] [L84] EXPR double_Array_0[0] >= -461168.6018427382800e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] EXPR double_Array_0[0] >= -461168.6018427382800e+13F && double_Array_0[0] <= -1.0e-20F [L84] EXPR double_Array_0[0] [L84] EXPR double_Array_0[0] >= -461168.6018427382800e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] EXPR (double_Array_0[0] >= -461168.6018427382800e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] EXPR (double_Array_0[0] >= -461168.6018427382800e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] CALL assume_abort_if_not((double_Array_0[0] >= -461168.6018427382800e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] RET assume_abort_if_not((double_Array_0[0] >= -461168.6018427382800e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] double_Array_0[2] = __VERIFIER_nondet_double() [L86] EXPR double_Array_0[2] [L86] EXPR double_Array_0[2] >= -461168.6018427382800e+13F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] EXPR double_Array_0[2] >= -461168.6018427382800e+13F && double_Array_0[2] <= -1.0e-20F [L86] EXPR double_Array_0[2] [L86] EXPR double_Array_0[2] >= -461168.6018427382800e+13F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] EXPR (double_Array_0[2] >= -461168.6018427382800e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 4611686.018427382800e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] EXPR (double_Array_0[2] >= -461168.6018427382800e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 4611686.018427382800e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] CALL assume_abort_if_not((double_Array_0[2] >= -461168.6018427382800e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 4611686.018427382800e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] RET assume_abort_if_not((double_Array_0[2] >= -461168.6018427382800e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 4611686.018427382800e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L88] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L91] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L93] unsigned_short_int_Array_0[1] = __VERIFIER_nondet_ushort() [L94] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L94] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L94] RET assume_abort_if_not(unsigned_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] RET assume_abort_if_not(unsigned_short_int_Array_0[1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L109] RET updateVariables() [L110] CALL step() [L44] COND FALSE !(! last_1_BOOL_unsigned_char_Array_0_3_) [L47] EXPR unsigned_short_int_Array_0[0] [L47] unsigned_short_int_Array_0[2] = unsigned_short_int_Array_0[0] [L49] EXPR BOOL_unsigned_char_Array_0[2] [L49] unsigned char stepLocal_0 = BOOL_unsigned_char_Array_0[2]; [L50] BOOL_unsigned_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L50] COND FALSE !(BOOL_unsigned_char_Array_0[4]) [L59] EXPR unsigned_short_int_Array_0[2] [L59] signed_long_int_Array_0[0] = unsigned_short_int_Array_0[2] [L60] EXPR double_Array_0[0] [L60] float_Array_0[0] = double_Array_0[0] [L61] EXPR signed_char_Array_0[1] [L61] signed_char_Array_0[0] = signed_char_Array_0[1] [L62] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L62] EXPR ((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]) [L62] EXPR signed_long_int_Array_0[0] [L62] EXPR ((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, stepLocal_0=257, unsigned_short_int_Array_0={9:0}] [L62] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L62] COND FALSE !(((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR (! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])) [L101] EXPR unsigned_short_int_Array_0[2] [L101] EXPR unsigned_short_int_Array_0[0] [L101] EXPR (! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR ((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR ((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1) [L101] EXPR BOOL_unsigned_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1 [L101] EXPR BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR ((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR (((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1)) && ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR (((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1)) && ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1) [L101] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR ((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]) [L101] EXPR signed_long_int_Array_0[0] [L101] EXPR ((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR (((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1 [L101] EXPR (((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR (((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1)) && ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR ((((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1)) && ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1)) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[2])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR ((((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1)) && ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1)) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[2])) [L101] EXPR signed_long_int_Array_0[0] [L101] EXPR unsigned_short_int_Array_0[2] [L101] EXPR ((((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1)) && ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1)) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[2])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR (((((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1)) && ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1)) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[2]))) && (float_Array_0[0] == ((float) double_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR (((((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1)) && ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1)) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[2]))) && (float_Array_0[0] == ((float) double_Array_0[0])) [L101] EXPR float_Array_0[0] [L101] EXPR double_Array_0[0] [L101] EXPR (((((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1)) && ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1)) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[2]))) && (float_Array_0[0] == ((float) double_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR ((((((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1)) && ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1)) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[2]))) && (float_Array_0[0] == ((float) double_Array_0[0]))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] EXPR ((((((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1)) && ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1)) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[2]))) && (float_Array_0[0] == ((float) double_Array_0[0]))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101-L102] return ((((((! last_1_BOOL_unsigned_char_Array_0_3_) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) && (BOOL_unsigned_char_Array_0[4] ? ((BOOL_unsigned_char_Array_0[2] && ((unsigned_short_int_Array_0[1] >= 16) || last_1_BOOL_unsigned_char_Array_0_3_)) ? (BOOL_unsigned_char_Array_0[2] ? (BOOL_unsigned_char_Array_0[3] == ((unsigned char) ((unsigned_short_int_Array_0[2] < unsigned_short_int_Array_0[2]) && BOOL_unsigned_char_Array_0[0]))) : (BOOL_unsigned_char_Array_0[3] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) : 1) : 1)) && ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) > signed_long_int_Array_0[0]) ? (((signed_long_int_Array_0[0] / -5) >= ((unsigned_short_int_Array_0[0] + signed_long_int_Array_0[0]) - ((((unsigned_short_int_Array_0[2]) < (unsigned_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2]) : (unsigned_short_int_Array_0[1]))))) ? (double_Array_0[1] == ((double) (double_Array_0[0] + double_Array_0[2]))) : (double_Array_0[1] == ((double) double_Array_0[2]))) : 1)) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[2]))) && (float_Array_0[0] == ((float) double_Array_0[0]))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_3_=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.7s, OverallIterations: 15, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 793 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 792 mSDsluCounter, 7344 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5003 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 506 IncrementalHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 2341 mSDtfsCounter, 506 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 482 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=384occurred in iteration=14, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 127 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 2403 NumberOfCodeBlocks, 2403 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2249 ConstructedInterpolants, 0 QuantifiedInterpolants, 2981 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1384 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 8040/8160 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:23:43,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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_2487043f-42aa-42fd-a826-b919697ac8c7/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 fdbb2557d13c4ebf5afc59b31f2554eb4dac84eb5f5361696929e0578cc40049 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:23:46,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:23:46,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:23:46,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:23:46,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:23:46,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:23:46,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:23:46,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:23:46,325 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:23:46,325 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:23:46,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:23:46,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:23:46,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:23:46,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:23:46,328 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:23:46,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:23:46,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:23:46,329 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:23:46,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:23:46,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:23:46,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:23:46,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:23:46,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:23:46,330 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:23:46,330 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:23:46,330 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:23:46,330 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:23:46,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:23:46,330 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:23:46,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:23:46,330 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:23:46,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:23:46,332 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:23:46,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:23:46,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:23:46,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:23:46,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:23:46,332 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:23:46,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:23:46,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:23:46,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:23:46,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:23:46,332 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:23:46,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:23:46,333 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:23:46,333 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:23:46,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:23:46,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:23:46,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:23:46,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:23:46,333 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_2487043f-42aa-42fd-a826-b919697ac8c7/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 -> fdbb2557d13c4ebf5afc59b31f2554eb4dac84eb5f5361696929e0578cc40049 [2024-11-28 03:23:46,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:23:46,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:23:46,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:23:46,685 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:23:46,686 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:23:46,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-96.i [2024-11-28 03:23:49,712 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/data/61aa6e3d2/b3659213faed4402af087e3335aa471f/FLAGc7631dd85 [2024-11-28 03:23:50,013 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:23:50,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-96.i [2024-11-28 03:23:50,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/data/61aa6e3d2/b3659213faed4402af087e3335aa471f/FLAGc7631dd85 [2024-11-28 03:23:50,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/data/61aa6e3d2/b3659213faed4402af087e3335aa471f [2024-11-28 03:23:50,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:23:50,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:23:50,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:23:50,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:23:50,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:23:50,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4068a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50, skipping insertion in model container [2024-11-28 03:23:50,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:23:50,262 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_2487043f-42aa-42fd-a826-b919697ac8c7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-96.i[916,929] [2024-11-28 03:23:50,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:23:50,382 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:23:50,395 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_2487043f-42aa-42fd-a826-b919697ac8c7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-96.i[916,929] [2024-11-28 03:23:50,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:23:50,513 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:23:50,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50 WrapperNode [2024-11-28 03:23:50,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:23:50,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:23:50,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:23:50,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:23:50,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,606 INFO L138 Inliner]: procedures = 39, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 485 [2024-11-28 03:23:50,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:23:50,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:23:50,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:23:50,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:23:50,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,634 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,672 INFO L175 MemorySlicer]: Split 127 memory accesses to 7 slices as follows [2, 32, 25, 3, 9, 15, 41]. 32 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 3, 1, 2, 1, 3]. The 18 writes are split as follows [0, 6, 4, 1, 2, 1, 4]. [2024-11-28 03:23:50,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,721 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:23:50,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:23:50,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:23:50,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:23:50,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (1/1) ... [2024-11-28 03:23:50,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:23:50,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:50,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:23:50,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:23:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:23:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 03:23:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 03:23:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 03:23:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 03:23:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 03:23:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 03:23:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-28 03:23:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 03:23:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 03:23:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 03:23:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 03:23:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 03:23:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 03:23:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-28 03:23:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 03:23:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 03:23:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 03:23:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 03:23:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 03:23:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-28 03:23:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-28 03:23:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-28 03:23:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-28 03:23:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-28 03:23:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-28 03:23:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-28 03:23:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-28 03:23:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-28 03:23:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:23:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 03:23:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 03:23:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 03:23:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 03:23:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 03:23:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 03:23:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 03:23:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 03:23:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 03:23:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 03:23:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-28 03:23:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-28 03:23:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-28 03:23:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 03:23:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 03:23:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-28 03:23:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-28 03:23:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-28 03:23:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-28 03:23:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-28 03:23:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-28 03:23:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:23:50,834 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:23:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:23:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:23:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 03:23:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 03:23:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 03:23:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 03:23:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 03:23:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-28 03:23:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-28 03:23:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-28 03:23:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-28 03:23:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-28 03:23:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-28 03:23:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-28 03:23:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-28 03:23:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-28 03:23:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 03:23:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 03:23:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 03:23:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 03:23:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 03:23:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 03:23:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 03:23:51,071 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:23:51,074 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:23:52,706 INFO L? ?]: Removed 113 outVars from TransFormulas that were not future-live. [2024-11-28 03:23:52,706 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:23:52,723 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:23:52,724 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:23:52,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:52 BoogieIcfgContainer [2024-11-28 03:23:52,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:23:52,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:23:52,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:23:52,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:23:52,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:23:50" (1/3) ... [2024-11-28 03:23:52,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffee366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:23:52, skipping insertion in model container [2024-11-28 03:23:52,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:50" (2/3) ... [2024-11-28 03:23:52,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffee366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:23:52, skipping insertion in model container [2024-11-28 03:23:52,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:52" (3/3) ... [2024-11-28 03:23:52,737 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-96.i [2024-11-28 03:23:52,753 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:23:52,755 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-96.i that has 2 procedures, 108 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:23:52,816 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:23:52,851 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;@7fa216e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:23:52,851 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:23:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:23:52,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:23:52,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:52,869 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:52,869 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:52,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:52,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1693081771, now seen corresponding path program 1 times [2024-11-28 03:23:52,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:23:52,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753306364] [2024-11-28 03:23:52,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:52,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:23:52,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:23:52,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:23:52,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 03:23:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:53,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:23:53,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-11-28 03:23:53,492 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:23:53,494 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:23:53,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753306364] [2024-11-28 03:23:53,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [753306364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:53,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:53,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:23:53,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013485199] [2024-11-28 03:23:53,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:53,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:23:53,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:23:53,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:23:53,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:23:53,549 INFO L87 Difference]: Start difference. First operand has 108 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:23:53,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:53,581 INFO L93 Difference]: Finished difference Result 209 states and 328 transitions. [2024-11-28 03:23:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:23:53,583 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2024-11-28 03:23:53,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:53,589 INFO L225 Difference]: With dead ends: 209 [2024-11-28 03:23:53,590 INFO L226 Difference]: Without dead ends: 104 [2024-11-28 03:23:53,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:23:53,596 INFO L435 NwaCegarLoop]: 152 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, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:53,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:23:53,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-28 03:23:53,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-28 03:23:53,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 86 states have internal predecessors, (120), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:23:53,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 152 transitions. [2024-11-28 03:23:53,638 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 152 transitions. Word has length 131 [2024-11-28 03:23:53,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:53,638 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 152 transitions. [2024-11-28 03:23:53,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:23:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2024-11-28 03:23:53,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:23:53,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:53,642 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:53,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 03:23:53,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:23:53,843 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:53,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:53,843 INFO L85 PathProgramCache]: Analyzing trace with hash -694052529, now seen corresponding path program 1 times [2024-11-28 03:23:53,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:23:53,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895275844] [2024-11-28 03:23:53,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:53,845 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:23:53,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:23:53,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:23:53,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 03:23:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:54,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:23:54,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:54,379 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 11 treesize of output 5 [2024-11-28 03:23:54,413 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:54,414 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:23:54,414 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:23:54,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895275844] [2024-11-28 03:23:54,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [895275844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:54,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:54,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:23:54,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286411984] [2024-11-28 03:23:54,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:54,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:23:54,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:23:54,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:23:54,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:23:54,421 INFO L87 Difference]: Start difference. First operand 104 states and 152 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:54,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:54,486 INFO L93 Difference]: Finished difference Result 205 states and 301 transitions. [2024-11-28 03:23:54,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:23:54,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 03:23:54,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:54,493 INFO L225 Difference]: With dead ends: 205 [2024-11-28 03:23:54,493 INFO L226 Difference]: Without dead ends: 104 [2024-11-28 03:23:54,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:23:54,495 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:54,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 295 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:23:54,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-28 03:23:54,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-28 03:23:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 86 states have internal predecessors, (119), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:23:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 151 transitions. [2024-11-28 03:23:54,518 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 151 transitions. Word has length 131 [2024-11-28 03:23:54,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:54,519 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 151 transitions. [2024-11-28 03:23:54,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:54,522 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2024-11-28 03:23:54,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:23:54,524 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:54,524 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:54,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:23:54,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:23:54,725 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:54,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:54,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1911971025, now seen corresponding path program 1 times [2024-11-28 03:23:54,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:23:54,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632388421] [2024-11-28 03:23:54,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:54,726 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:23:54,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:23:54,728 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:23:54,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 03:23:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:55,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:23:55,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:55,258 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:23:55,258 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:23:55,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [632388421] [2024-11-28 03:23:55,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [632388421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:55,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:55,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:23:55,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695246123] [2024-11-28 03:23:55,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:55,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:23:55,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:23:55,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:23:55,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:23:55,261 INFO L87 Difference]: Start difference. First operand 104 states and 151 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:55,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:55,349 INFO L93 Difference]: Finished difference Result 210 states and 306 transitions. [2024-11-28 03:23:55,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:23:55,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 03:23:55,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:55,355 INFO L225 Difference]: With dead ends: 210 [2024-11-28 03:23:55,357 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 03:23:55,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 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 03:23:55,358 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 1 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:55,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 568 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:23:55,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 03:23:55,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-11-28 03:23:55,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 90 states have (on average 1.3666666666666667) internal successors, (123), 90 states have internal predecessors, (123), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:23:55,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2024-11-28 03:23:55,383 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 131 [2024-11-28 03:23:55,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:55,385 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2024-11-28 03:23:55,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:55,385 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2024-11-28 03:23:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:23:55,391 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:55,391 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:55,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 03:23:55,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:23:55,592 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:55,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:55,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1702937901, now seen corresponding path program 1 times [2024-11-28 03:23:55,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:23:55,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409660154] [2024-11-28 03:23:55,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:55,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:23:55,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:23:55,597 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:23:55,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:23:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:56,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:23:56,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:56,140 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:56,141 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:23:56,141 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:23:56,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409660154] [2024-11-28 03:23:56,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409660154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:56,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:56,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:23:56,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763418069] [2024-11-28 03:23:56,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:56,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:23:56,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:23:56,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:23:56,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:23:56,143 INFO L87 Difference]: Start difference. First operand 108 states and 155 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:56,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:56,371 INFO L93 Difference]: Finished difference Result 216 states and 311 transitions. [2024-11-28 03:23:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:23:56,371 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 03:23:56,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:56,373 INFO L225 Difference]: With dead ends: 216 [2024-11-28 03:23:56,373 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 03:23:56,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 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 03:23:56,375 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 1 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:56,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 700 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:23:56,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 03:23:56,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-11-28 03:23:56,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.358695652173913) internal successors, (125), 92 states have internal predecessors, (125), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:23:56,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 157 transitions. [2024-11-28 03:23:56,391 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 157 transitions. Word has length 131 [2024-11-28 03:23:56,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:56,391 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 157 transitions. [2024-11-28 03:23:56,392 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:56,392 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 157 transitions. [2024-11-28 03:23:56,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:23:56,395 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:56,396 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:56,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:23:56,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:23:56,596 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:56,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:56,597 INFO L85 PathProgramCache]: Analyzing trace with hash 72069461, now seen corresponding path program 1 times [2024-11-28 03:23:56,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:23:56,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370078449] [2024-11-28 03:23:56,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:56,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:23:56,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:23:56,607 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:23:56,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 03:23:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:56,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:23:57,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:57,082 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:23:57,083 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:23:57,083 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:23:57,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370078449] [2024-11-28 03:23:57,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370078449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:57,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:57,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:23:57,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985161026] [2024-11-28 03:23:57,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:57,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:23:57,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:23:57,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:23:57,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:23:57,085 INFO L87 Difference]: Start difference. First operand 110 states and 157 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:57,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:57,373 INFO L93 Difference]: Finished difference Result 220 states and 315 transitions. [2024-11-28 03:23:57,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:23:57,374 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-28 03:23:57,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:57,377 INFO L225 Difference]: With dead ends: 220 [2024-11-28 03:23:57,378 INFO L226 Difference]: Without dead ends: 113 [2024-11-28 03:23:57,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 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 03:23:57,380 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:57,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 833 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:23:57,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-28 03:23:57,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-28 03:23:57,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.351063829787234) internal successors, (127), 94 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:23:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 159 transitions. [2024-11-28 03:23:57,394 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 159 transitions. Word has length 131 [2024-11-28 03:23:57,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:57,394 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 159 transitions. [2024-11-28 03:23:57,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:23:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 159 transitions. [2024-11-28 03:23:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:23:57,396 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:57,396 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:57,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-28 03:23:57,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:23:57,597 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:57,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:57,597 INFO L85 PathProgramCache]: Analyzing trace with hash 73916503, now seen corresponding path program 1 times [2024-11-28 03:23:57,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:23:57,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311984765] [2024-11-28 03:23:57,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:57,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:23:57,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:23:57,604 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:23:57,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:23:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:58,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:23:58,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:58,220 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 03:23:58,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 22 [2024-11-28 03:23:58,572 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:23:58,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 36 [2024-11-28 03:23:58,865 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:23:58,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 39 [2024-11-28 03:23:58,923 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-28 03:23:58,923 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:23:58,923 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:23:58,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311984765] [2024-11-28 03:23:58,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311984765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:58,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:58,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:23:58,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643862781] [2024-11-28 03:23:58,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:58,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:23:58,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:23:58,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:23:58,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:23:58,926 INFO L87 Difference]: Start difference. First operand 112 states and 159 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 03:23:59,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:59,830 INFO L93 Difference]: Finished difference Result 320 states and 456 transitions. [2024-11-28 03:23:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:23:59,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 131 [2024-11-28 03:23:59,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:59,833 INFO L225 Difference]: With dead ends: 320 [2024-11-28 03:23:59,833 INFO L226 Difference]: Without dead ends: 211 [2024-11-28 03:23:59,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:23:59,836 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 418 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:59,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 662 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:23:59,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-28 03:23:59,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 208. [2024-11-28 03:23:59,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 177 states have (on average 1.3615819209039548) internal successors, (241), 178 states have internal predecessors, (241), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:23:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 297 transitions. [2024-11-28 03:23:59,879 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 297 transitions. Word has length 131 [2024-11-28 03:23:59,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:59,879 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 297 transitions. [2024-11-28 03:23:59,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 03:23:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 297 transitions. [2024-11-28 03:23:59,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 03:23:59,881 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:59,881 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:59,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:00,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:00,088 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:00,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:00,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1440683534, now seen corresponding path program 1 times [2024-11-28 03:24:00,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:00,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373244509] [2024-11-28 03:24:00,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:00,089 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:00,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:00,091 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:00,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-28 03:24:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:00,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:24:00,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:00,437 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 9 [2024-11-28 03:24:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:24:00,804 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:00,804 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:00,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373244509] [2024-11-28 03:24:00,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [373244509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:00,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:00,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:24:00,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933039533] [2024-11-28 03:24:00,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:00,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:24:00,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:00,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:24:00,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:24:00,809 INFO L87 Difference]: Start difference. First operand 208 states and 297 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:01,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:01,175 INFO L93 Difference]: Finished difference Result 602 states and 858 transitions. [2024-11-28 03:24:01,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:24:01,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-28 03:24:01,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:01,184 INFO L225 Difference]: With dead ends: 602 [2024-11-28 03:24:01,184 INFO L226 Difference]: Without dead ends: 397 [2024-11-28 03:24:01,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:24:01,186 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 238 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:01,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 394 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:24:01,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-28 03:24:01,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 356. [2024-11-28 03:24:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 295 states have (on average 1.3423728813559321) internal successors, (396), 297 states have internal predecessors, (396), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 03:24:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 508 transitions. [2024-11-28 03:24:01,251 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 508 transitions. Word has length 133 [2024-11-28 03:24:01,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:01,252 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 508 transitions. [2024-11-28 03:24:01,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:01,253 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 508 transitions. [2024-11-28 03:24:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 03:24:01,256 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:01,256 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:01,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-28 03:24:01,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:01,457 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:01,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:01,458 INFO L85 PathProgramCache]: Analyzing trace with hash -400802187, now seen corresponding path program 1 times [2024-11-28 03:24:01,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:01,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112091141] [2024-11-28 03:24:01,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:01,458 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:01,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:01,461 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:01,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:01,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:24:01,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:01,836 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:24:01,836 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:01,836 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:01,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112091141] [2024-11-28 03:24:01,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112091141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:01,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:01,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:24:01,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935471021] [2024-11-28 03:24:01,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:01,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:24:01,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:01,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:24:01,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:24:01,838 INFO L87 Difference]: Start difference. First operand 356 states and 508 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:01,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:01,949 INFO L93 Difference]: Finished difference Result 683 states and 972 transitions. [2024-11-28 03:24:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:24:01,949 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-28 03:24:01,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:01,952 INFO L225 Difference]: With dead ends: 683 [2024-11-28 03:24:01,952 INFO L226 Difference]: Without dead ends: 365 [2024-11-28 03:24:01,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 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 03:24:01,954 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:01,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:24:01,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-28 03:24:01,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-11-28 03:24:01,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 304 states have (on average 1.332236842105263) internal successors, (405), 306 states have internal predecessors, (405), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 03:24:01,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 517 transitions. [2024-11-28 03:24:01,995 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 517 transitions. Word has length 133 [2024-11-28 03:24:01,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:01,996 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 517 transitions. [2024-11-28 03:24:01,996 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:01,996 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 517 transitions. [2024-11-28 03:24:01,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 03:24:01,998 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:01,998 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:02,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:02,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:02,199 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:02,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:02,199 INFO L85 PathProgramCache]: Analyzing trace with hash 244456330, now seen corresponding path program 1 times [2024-11-28 03:24:02,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:02,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648138542] [2024-11-28 03:24:02,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:02,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:02,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:02,204 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:02,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-28 03:24:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:02,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:24:02,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:03,032 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 253 proven. 24 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2024-11-28 03:24:03,032 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:24:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:24:03,262 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:03,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648138542] [2024-11-28 03:24:03,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648138542] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:24:03,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:24:03,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-28 03:24:03,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720043071] [2024-11-28 03:24:03,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:03,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:24:03,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:03,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:24:03,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:24:03,264 INFO L87 Difference]: Start difference. First operand 365 states and 517 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:03,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:03,549 INFO L93 Difference]: Finished difference Result 871 states and 1212 transitions. [2024-11-28 03:24:03,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:24:03,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-28 03:24:03,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:03,554 INFO L225 Difference]: With dead ends: 871 [2024-11-28 03:24:03,554 INFO L226 Difference]: Without dead ends: 544 [2024-11-28 03:24:03,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:24:03,559 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 114 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:03,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 400 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:24:03,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-28 03:24:03,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 539. [2024-11-28 03:24:03,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 456 states have (on average 1.3070175438596492) internal successors, (596), 461 states have internal predecessors, (596), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 69 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-28 03:24:03,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 744 transitions. [2024-11-28 03:24:03,632 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 744 transitions. Word has length 136 [2024-11-28 03:24:03,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:03,632 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 744 transitions. [2024-11-28 03:24:03,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 744 transitions. [2024-11-28 03:24:03,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:24:03,634 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:03,634 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:03,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:03,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:03,835 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:03,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:03,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1041886296, now seen corresponding path program 1 times [2024-11-28 03:24:03,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:03,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066294688] [2024-11-28 03:24:03,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:03,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:03,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:03,839 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-28 03:24:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:04,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:24:04,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:04,283 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 13 [2024-11-28 03:24:04,287 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 13 treesize of output 9 [2024-11-28 03:24:04,364 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 03:24:04,389 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:24:04,389 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:04,389 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:04,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066294688] [2024-11-28 03:24:04,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1066294688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:04,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:04,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:24:04,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443843557] [2024-11-28 03:24:04,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:04,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:24:04,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:04,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:24:04,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:24:04,392 INFO L87 Difference]: Start difference. First operand 539 states and 744 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:04,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:04,674 INFO L93 Difference]: Finished difference Result 1061 states and 1462 transitions. [2024-11-28 03:24:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:24:04,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 03:24:04,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:04,684 INFO L225 Difference]: With dead ends: 1061 [2024-11-28 03:24:04,684 INFO L226 Difference]: Without dead ends: 564 [2024-11-28 03:24:04,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:24:04,686 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 136 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:04,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 532 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:24:04,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-28 03:24:04,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 551. [2024-11-28 03:24:04,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 463 states have (on average 1.2894168466522677) internal successors, (597), 468 states have internal predecessors, (597), 78 states have call successors, (78), 9 states have call predecessors, (78), 9 states have return successors, (78), 73 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-28 03:24:04,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 753 transitions. [2024-11-28 03:24:04,775 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 753 transitions. Word has length 137 [2024-11-28 03:24:04,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:04,778 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 753 transitions. [2024-11-28 03:24:04,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:04,778 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 753 transitions. [2024-11-28 03:24:04,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:24:04,780 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:04,780 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:04,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:24:04,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:04,981 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:04,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:04,981 INFO L85 PathProgramCache]: Analyzing trace with hash 30769046, now seen corresponding path program 1 times [2024-11-28 03:24:04,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:04,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877361745] [2024-11-28 03:24:04,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:04,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:04,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:04,984 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:04,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:05,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 03:24:05,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:05,512 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 19 treesize of output 1 [2024-11-28 03:24:05,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 19 [2024-11-28 03:24:05,654 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:24:05,654 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 57 treesize of output 27 [2024-11-28 03:24:05,712 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:24:05,712 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:05,712 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:05,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877361745] [2024-11-28 03:24:05,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877361745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:05,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:05,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:24:05,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64835958] [2024-11-28 03:24:05,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:05,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:24:05,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:05,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:24:05,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:24:05,715 INFO L87 Difference]: Start difference. First operand 551 states and 753 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:05,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:05,925 INFO L93 Difference]: Finished difference Result 583 states and 787 transitions. [2024-11-28 03:24:05,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:24:05,926 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 03:24:05,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:05,929 INFO L225 Difference]: With dead ends: 583 [2024-11-28 03:24:05,930 INFO L226 Difference]: Without dead ends: 581 [2024-11-28 03:24:05,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:24:05,931 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 92 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:05,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 865 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:24:05,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-28 03:24:05,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2024-11-28 03:24:05,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 490 states have (on average 1.273469387755102) internal successors, (624), 495 states have internal predecessors, (624), 78 states have call successors, (78), 12 states have call predecessors, (78), 12 states have return successors, (78), 73 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-28 03:24:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 780 transitions. [2024-11-28 03:24:05,995 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 780 transitions. Word has length 137 [2024-11-28 03:24:05,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:05,996 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 780 transitions. [2024-11-28 03:24:05,996 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 780 transitions. [2024-11-28 03:24:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:24:06,002 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:06,002 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:06,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:06,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:06,203 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:06,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:06,203 INFO L85 PathProgramCache]: Analyzing trace with hash 32616088, now seen corresponding path program 1 times [2024-11-28 03:24:06,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:06,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590264586] [2024-11-28 03:24:06,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:06,204 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:06,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:06,208 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:06,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-28 03:24:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:06,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 03:24:06,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:06,990 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 8 treesize of output 1 [2024-11-28 03:24:07,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:24:07,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 131 treesize of output 57 [2024-11-28 03:24:09,528 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 03:24:19,930 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 203 treesize of output 167 [2024-11-28 03:24:19,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:24:19,960 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 267 treesize of output 117 [2024-11-28 03:24:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-28 03:24:20,567 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:20,568 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:20,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590264586] [2024-11-28 03:24:20,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [590264586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:20,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:20,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:24:20,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155232193] [2024-11-28 03:24:20,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:20,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:24:20,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:20,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:24:20,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:24:20,570 INFO L87 Difference]: Start difference. First operand 581 states and 780 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:24:31,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:24:36,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:24:47,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:47,214 INFO L93 Difference]: Finished difference Result 2025 states and 2694 transitions. [2024-11-28 03:24:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:24:47,221 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 137 [2024-11-28 03:24:47,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:47,232 INFO L225 Difference]: With dead ends: 2025 [2024-11-28 03:24:47,232 INFO L226 Difference]: Without dead ends: 1498 [2024-11-28 03:24:47,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:24:47,234 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 346 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:47,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 1079 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 409 Invalid, 2 Unknown, 0 Unchecked, 23.7s Time] [2024-11-28 03:24:47,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2024-11-28 03:24:47,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1488. [2024-11-28 03:24:47,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1488 states, 1268 states have (on average 1.2570977917981072) internal successors, (1594), 1287 states have internal predecessors, (1594), 190 states have call successors, (190), 29 states have call predecessors, (190), 29 states have return successors, (190), 171 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 03:24:47,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1974 transitions. [2024-11-28 03:24:47,411 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1974 transitions. Word has length 137 [2024-11-28 03:24:47,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:47,411 INFO L471 AbstractCegarLoop]: Abstraction has 1488 states and 1974 transitions. [2024-11-28 03:24:47,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:24:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1974 transitions. [2024-11-28 03:24:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:24:47,414 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:47,414 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:47,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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)] Ended with exit code 0 [2024-11-28 03:24:47,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:47,615 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:47,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:47,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1807623450, now seen corresponding path program 1 times [2024-11-28 03:24:47,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:47,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577048280] [2024-11-28 03:24:47,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:47,616 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:47,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:47,617 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:47,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:47,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:24:47,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:48,009 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 19 treesize of output 15 [2024-11-28 03:24:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:24:48,200 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:48,200 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:48,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577048280] [2024-11-28 03:24:48,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [577048280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:48,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:48,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:24:48,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151643371] [2024-11-28 03:24:48,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:48,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:24:48,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:48,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:24:48,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:24:48,202 INFO L87 Difference]: Start difference. First operand 1488 states and 1974 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:49,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:49,123 INFO L93 Difference]: Finished difference Result 2902 states and 3843 transitions. [2024-11-28 03:24:49,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:24:49,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 03:24:49,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:49,131 INFO L225 Difference]: With dead ends: 2902 [2024-11-28 03:24:49,132 INFO L226 Difference]: Without dead ends: 1494 [2024-11-28 03:24:49,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:24:49,135 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 115 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:49,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 644 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:24:49,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2024-11-28 03:24:49,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1488. [2024-11-28 03:24:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1488 states, 1268 states have (on average 1.2429022082018928) internal successors, (1576), 1287 states have internal predecessors, (1576), 190 states have call successors, (190), 29 states have call predecessors, (190), 29 states have return successors, (190), 171 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 03:24:49,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1956 transitions. [2024-11-28 03:24:49,334 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1956 transitions. Word has length 137 [2024-11-28 03:24:49,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:49,335 INFO L471 AbstractCegarLoop]: Abstraction has 1488 states and 1956 transitions. [2024-11-28 03:24:49,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1956 transitions. [2024-11-28 03:24:49,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:24:49,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:49,337 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:49,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:49,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:49,539 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:49,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:49,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1807285476, now seen corresponding path program 1 times [2024-11-28 03:24:49,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:49,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [469005925] [2024-11-28 03:24:49,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:49,541 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:49,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:49,544 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:49,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:49,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:24:49,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:49,962 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:24:49,963 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:49,963 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:49,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [469005925] [2024-11-28 03:24:49,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [469005925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:49,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:49,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:24:49,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811132351] [2024-11-28 03:24:49,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:49,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:24:49,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:49,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:24:49,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:24:49,965 INFO L87 Difference]: Start difference. First operand 1488 states and 1956 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:50,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:50,167 INFO L93 Difference]: Finished difference Result 2950 states and 3873 transitions. [2024-11-28 03:24:50,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:24:50,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 03:24:50,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:50,174 INFO L225 Difference]: With dead ends: 2950 [2024-11-28 03:24:50,174 INFO L226 Difference]: Without dead ends: 1542 [2024-11-28 03:24:50,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 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 03:24:50,177 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:50,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 572 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:24:50,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2024-11-28 03:24:50,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1542. [2024-11-28 03:24:50,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1322 states have (on average 1.232980332829047) internal successors, (1630), 1341 states have internal predecessors, (1630), 190 states have call successors, (190), 29 states have call predecessors, (190), 29 states have return successors, (190), 171 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 03:24:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2010 transitions. [2024-11-28 03:24:50,339 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2010 transitions. Word has length 137 [2024-11-28 03:24:50,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:50,339 INFO L471 AbstractCegarLoop]: Abstraction has 1542 states and 2010 transitions. [2024-11-28 03:24:50,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:50,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2010 transitions. [2024-11-28 03:24:50,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:24:50,341 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:50,341 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:50,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:50,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:50,541 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:50,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:50,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1846514858, now seen corresponding path program 1 times [2024-11-28 03:24:50,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:50,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896321936] [2024-11-28 03:24:50,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:50,542 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:50,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:50,544 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:50,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:50,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:24:50,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-28 03:24:50,902 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:50,902 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:50,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896321936] [2024-11-28 03:24:50,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [896321936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:50,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:50,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:24:50,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992754159] [2024-11-28 03:24:50,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:50,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:24:50,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:50,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:24:50,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:24:50,905 INFO L87 Difference]: Start difference. First operand 1542 states and 2010 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:24:51,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:51,119 INFO L93 Difference]: Finished difference Result 3028 states and 3943 transitions. [2024-11-28 03:24:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:24:51,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 137 [2024-11-28 03:24:51,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:51,126 INFO L225 Difference]: With dead ends: 3028 [2024-11-28 03:24:51,126 INFO L226 Difference]: Without dead ends: 1542 [2024-11-28 03:24:51,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:24:51,130 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:51,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 436 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:24:51,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2024-11-28 03:24:51,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1542. [2024-11-28 03:24:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1322 states have (on average 1.2299546142208775) internal successors, (1626), 1341 states have internal predecessors, (1626), 190 states have call successors, (190), 29 states have call predecessors, (190), 29 states have return successors, (190), 171 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 03:24:51,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2006 transitions. [2024-11-28 03:24:51,323 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2006 transitions. Word has length 137 [2024-11-28 03:24:51,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:51,323 INFO L471 AbstractCegarLoop]: Abstraction has 1542 states and 2006 transitions. [2024-11-28 03:24:51,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:24:51,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2006 transitions. [2024-11-28 03:24:51,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 03:24:51,326 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:51,327 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:51,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:51,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:51,527 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:51,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:51,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1321687504, now seen corresponding path program 1 times [2024-11-28 03:24:51,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:51,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [315532493] [2024-11-28 03:24:51,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:51,529 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 03:24:51,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:51,533 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:51,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:51,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:24:51,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:51,892 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 9 [2024-11-28 03:24:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:24:52,372 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:52,372 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:52,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [315532493] [2024-11-28 03:24:52,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [315532493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:52,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:52,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:24:52,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317805639] [2024-11-28 03:24:52,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:52,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:24:52,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:52,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:24:52,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:24:52,374 INFO L87 Difference]: Start difference. First operand 1542 states and 2006 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:53,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:53,039 INFO L93 Difference]: Finished difference Result 3148 states and 4081 transitions. [2024-11-28 03:24:53,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:24:53,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 138 [2024-11-28 03:24:53,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:53,045 INFO L225 Difference]: With dead ends: 3148 [2024-11-28 03:24:53,046 INFO L226 Difference]: Without dead ends: 1686 [2024-11-28 03:24:53,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:24:53,049 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 234 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:53,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 512 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:24:53,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2024-11-28 03:24:53,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1544. [2024-11-28 03:24:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1324 states have (on average 1.229607250755287) internal successors, (1628), 1343 states have internal predecessors, (1628), 190 states have call successors, (190), 29 states have call predecessors, (190), 29 states have return successors, (190), 171 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 03:24:53,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2008 transitions. [2024-11-28 03:24:53,196 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2008 transitions. Word has length 138 [2024-11-28 03:24:53,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:53,197 INFO L471 AbstractCegarLoop]: Abstraction has 1544 states and 2008 transitions. [2024-11-28 03:24:53,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:53,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2008 transitions. [2024-11-28 03:24:53,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 03:24:53,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:53,199 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:53,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:53,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:53,400 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:53,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:53,401 INFO L85 PathProgramCache]: Analyzing trace with hash 601540530, now seen corresponding path program 1 times [2024-11-28 03:24:53,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:53,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351785431] [2024-11-28 03:24:53,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:53,402 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:53,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:53,405 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:53,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:53,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:24:53,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:24:54,012 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:54,012 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:54,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351785431] [2024-11-28 03:24:54,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1351785431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:54,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:54,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:24:54,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99330013] [2024-11-28 03:24:54,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:54,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:24:54,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:54,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:24:54,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:24:54,014 INFO L87 Difference]: Start difference. First operand 1544 states and 2008 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:54,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:54,580 INFO L93 Difference]: Finished difference Result 3420 states and 4423 transitions. [2024-11-28 03:24:54,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:24:54,581 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 138 [2024-11-28 03:24:54,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:54,587 INFO L225 Difference]: With dead ends: 3420 [2024-11-28 03:24:54,587 INFO L226 Difference]: Without dead ends: 1956 [2024-11-28 03:24:54,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:24:54,591 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 71 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:54,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 768 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:24:54,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2024-11-28 03:24:54,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1948. [2024-11-28 03:24:54,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1948 states, 1694 states have (on average 1.2160566706021252) internal successors, (2060), 1719 states have internal predecessors, (2060), 214 states have call successors, (214), 39 states have call predecessors, (214), 39 states have return successors, (214), 189 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-28 03:24:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2488 transitions. [2024-11-28 03:24:54,786 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2488 transitions. Word has length 138 [2024-11-28 03:24:54,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:54,787 INFO L471 AbstractCegarLoop]: Abstraction has 1948 states and 2488 transitions. [2024-11-28 03:24:54,787 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:54,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2488 transitions. [2024-11-28 03:24:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 03:24:54,791 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:54,791 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:54,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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)] Ended with exit code 0 [2024-11-28 03:24:54,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:54,992 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:54,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:54,992 INFO L85 PathProgramCache]: Analyzing trace with hash -419527824, now seen corresponding path program 1 times [2024-11-28 03:24:54,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:54,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175754790] [2024-11-28 03:24:54,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:54,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:54,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:54,994 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:54,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:55,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:24:55,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:55,395 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:24:55,396 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:55,397 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:55,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175754790] [2024-11-28 03:24:55,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1175754790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:55,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:55,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:24:55,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267378036] [2024-11-28 03:24:55,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:55,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:24:55,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:55,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:24:55,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:24:55,402 INFO L87 Difference]: Start difference. First operand 1948 states and 2488 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:55,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:55,633 INFO L93 Difference]: Finished difference Result 3830 states and 4887 transitions. [2024-11-28 03:24:55,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:24:55,633 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 138 [2024-11-28 03:24:55,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:55,638 INFO L225 Difference]: With dead ends: 3830 [2024-11-28 03:24:55,638 INFO L226 Difference]: Without dead ends: 1966 [2024-11-28 03:24:55,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:24:55,641 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:55,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 709 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:24:55,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2024-11-28 03:24:55,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1921. [2024-11-28 03:24:55,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1921 states, 1667 states have (on average 1.2141571685662866) internal successors, (2024), 1692 states have internal predecessors, (2024), 214 states have call successors, (214), 39 states have call predecessors, (214), 39 states have return successors, (214), 189 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-28 03:24:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1921 states and 2452 transitions. [2024-11-28 03:24:55,823 INFO L78 Accepts]: Start accepts. Automaton has 1921 states and 2452 transitions. Word has length 138 [2024-11-28 03:24:55,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:55,823 INFO L471 AbstractCegarLoop]: Abstraction has 1921 states and 2452 transitions. [2024-11-28 03:24:55,824 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2452 transitions. [2024-11-28 03:24:55,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 03:24:55,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:55,826 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:55,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:56,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:56,027 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:56,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:56,028 INFO L85 PathProgramCache]: Analyzing trace with hash -656204976, now seen corresponding path program 1 times [2024-11-28 03:24:56,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:56,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1916776752] [2024-11-28 03:24:56,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:56,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:56,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:56,031 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:56,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:56,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:24:56,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:56,548 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 13 [2024-11-28 03:24:56,554 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 13 treesize of output 9 [2024-11-28 03:24:56,628 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 12 [2024-11-28 03:24:56,678 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:24:56,678 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:56,678 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:56,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1916776752] [2024-11-28 03:24:56,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1916776752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:56,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:56,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:24:56,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394655135] [2024-11-28 03:24:56,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:56,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:24:56,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:56,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:24:56,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:24:56,681 INFO L87 Difference]: Start difference. First operand 1921 states and 2452 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:57,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:57,240 INFO L93 Difference]: Finished difference Result 3261 states and 4141 transitions. [2024-11-28 03:24:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:24:57,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 139 [2024-11-28 03:24:57,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:57,248 INFO L225 Difference]: With dead ends: 3261 [2024-11-28 03:24:57,249 INFO L226 Difference]: Without dead ends: 1424 [2024-11-28 03:24:57,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:24:57,251 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 140 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:57,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 705 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:24:57,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2024-11-28 03:24:57,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1396. [2024-11-28 03:24:57,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396 states, 1198 states have (on average 1.1853088480801335) internal successors, (1420), 1215 states have internal predecessors, (1420), 164 states have call successors, (164), 33 states have call predecessors, (164), 33 states have return successors, (164), 147 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-28 03:24:57,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1748 transitions. [2024-11-28 03:24:57,450 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1748 transitions. Word has length 139 [2024-11-28 03:24:57,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:57,450 INFO L471 AbstractCegarLoop]: Abstraction has 1396 states and 1748 transitions. [2024-11-28 03:24:57,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:24:57,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1748 transitions. [2024-11-28 03:24:57,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 03:24:57,452 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:57,453 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:57,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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)] Ended with exit code 0 [2024-11-28 03:24:57,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:57,654 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:57,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:57,654 INFO L85 PathProgramCache]: Analyzing trace with hash 2083854226, now seen corresponding path program 1 times [2024-11-28 03:24:57,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:57,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552252933] [2024-11-28 03:24:57,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:57,655 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:24:57,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:57,657 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:24:57,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:24:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:58,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:24:58,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:58,988 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 8 treesize of output 1 [2024-11-28 03:24:59,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:24:59,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 124 treesize of output 65 [2024-11-28 03:25:06,904 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 03:25:22,155 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 203 treesize of output 167 [2024-11-28 03:25:22,181 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:25:22,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 275 treesize of output 119 [2024-11-28 03:25:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 263 proven. 21 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-28 03:25:22,932 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:25:36,542 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:25:36,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1552252933] [2024-11-28 03:25:36,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1552252933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:25:36,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1328554043] [2024-11-28 03:25:36,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:25:36,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:25:36,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:25:36,545 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:25:36,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-28 03:25:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:25:37,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 03:25:37,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:25:39,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 03:25:47,618 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:25:47,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 69 [2024-11-28 03:25:55,362 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 03:26:21,909 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 185 treesize of output 149 [2024-11-28 03:26:21,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:26:21,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 251 treesize of output 123 [2024-11-28 03:26:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 263 proven. 21 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-28 03:26:22,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:26:33,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1328554043] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:26:33,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:26:33,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2024-11-28 03:26:33,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845707404] [2024-11-28 03:26:33,441 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:26:33,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 03:26:33,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:26:33,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 03:26:33,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=512, Unknown=3, NotChecked=0, Total=650 [2024-11-28 03:26:33,443 INFO L87 Difference]: Start difference. First operand 1396 states and 1748 transitions. Second operand has 24 states, 22 states have (on average 5.909090909090909) internal successors, (130), 19 states have internal predecessors, (130), 6 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-28 03:26:43,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:26:47,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:27:22,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:22,324 INFO L93 Difference]: Finished difference Result 3434 states and 4274 transitions. [2024-11-28 03:27:22,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 03:27:22,325 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 5.909090909090909) internal successors, (130), 19 states have internal predecessors, (130), 6 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) Word has length 139 [2024-11-28 03:27:22,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:22,334 INFO L225 Difference]: With dead ends: 3434 [2024-11-28 03:27:22,334 INFO L226 Difference]: Without dead ends: 2122 [2024-11-28 03:27:22,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 314 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 54.8s TimeCoverageRelationStatistics Valid=276, Invalid=909, Unknown=5, NotChecked=0, Total=1190 [2024-11-28 03:27:22,337 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 502 mSDsluCounter, 1702 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 78 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 1919 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:22,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 1919 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 962 Invalid, 2 Unknown, 0 Unchecked, 27.3s Time] [2024-11-28 03:27:22,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2024-11-28 03:27:22,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 1476. [2024-11-28 03:27:22,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1256 states have (on average 1.1863057324840764) internal successors, (1490), 1277 states have internal predecessors, (1490), 178 states have call successors, (178), 41 states have call predecessors, (178), 41 states have return successors, (178), 157 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-28 03:27:22,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 1846 transitions. [2024-11-28 03:27:22,482 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 1846 transitions. Word has length 139 [2024-11-28 03:27:22,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:22,482 INFO L471 AbstractCegarLoop]: Abstraction has 1476 states and 1846 transitions. [2024-11-28 03:27:22,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 5.909090909090909) internal successors, (130), 19 states have internal predecessors, (130), 6 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-28 03:27:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1846 transitions. [2024-11-28 03:27:22,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 03:27:22,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:22,485 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:22,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-28 03:27:22,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:22,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:22,885 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:22,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:22,886 INFO L85 PathProgramCache]: Analyzing trace with hash -886256876, now seen corresponding path program 1 times [2024-11-28 03:27:22,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:22,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251235885] [2024-11-28 03:27:22,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:22,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:22,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:22,889 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:22,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:23,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:27:23,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-28 03:27:23,309 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:27:23,310 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:23,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251235885] [2024-11-28 03:27:23,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251235885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:23,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:23,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:27:23,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607078105] [2024-11-28 03:27:23,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:23,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:27:23,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:23,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:27:23,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:27:23,311 INFO L87 Difference]: Start difference. First operand 1476 states and 1846 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 03:27:23,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:23,820 INFO L93 Difference]: Finished difference Result 2251 states and 2789 transitions. [2024-11-28 03:27:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:27:23,821 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 139 [2024-11-28 03:27:23,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:23,824 INFO L225 Difference]: With dead ends: 2251 [2024-11-28 03:27:23,824 INFO L226 Difference]: Without dead ends: 841 [2024-11-28 03:27:23,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:27:23,826 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 1 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:23,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 591 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:27:23,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-11-28 03:27:23,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 811. [2024-11-28 03:27:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 683 states have (on average 1.1771595900439238) internal successors, (804), 694 states have internal predecessors, (804), 100 states have call successors, (100), 27 states have call predecessors, (100), 27 states have return successors, (100), 89 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-28 03:27:23,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1004 transitions. [2024-11-28 03:27:23,943 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1004 transitions. Word has length 139 [2024-11-28 03:27:23,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:23,944 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1004 transitions. [2024-11-28 03:27:23,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 03:27:23,944 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1004 transitions. [2024-11-28 03:27:23,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 03:27:23,945 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:23,945 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:23,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:24,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:24,146 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:24,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:24,146 INFO L85 PathProgramCache]: Analyzing trace with hash 697082403, now seen corresponding path program 1 times [2024-11-28 03:27:24,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:24,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313595630] [2024-11-28 03:27:24,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:24,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:24,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:24,149 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:24,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:24,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:27:24,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:24,590 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 13 [2024-11-28 03:27:24,593 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 13 treesize of output 9 [2024-11-28 03:27:24,710 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 12 [2024-11-28 03:27:24,744 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:27:24,744 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:27:24,745 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:24,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313595630] [2024-11-28 03:27:24,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313595630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:24,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:24,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:27:24,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193478384] [2024-11-28 03:27:24,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:24,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:27:24,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:24,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:27:24,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:27:24,746 INFO L87 Difference]: Start difference. First operand 811 states and 1004 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:25,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:25,271 INFO L93 Difference]: Finished difference Result 1486 states and 1823 transitions. [2024-11-28 03:27:25,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:27:25,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 140 [2024-11-28 03:27:25,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:25,287 INFO L225 Difference]: With dead ends: 1486 [2024-11-28 03:27:25,287 INFO L226 Difference]: Without dead ends: 763 [2024-11-28 03:27:25,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:27:25,290 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 122 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:25,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 683 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:27:25,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-28 03:27:25,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 749. [2024-11-28 03:27:25,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 621 states have (on average 1.1400966183574879) internal successors, (708), 632 states have internal predecessors, (708), 100 states have call successors, (100), 27 states have call predecessors, (100), 27 states have return successors, (100), 89 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-28 03:27:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 908 transitions. [2024-11-28 03:27:25,408 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 908 transitions. Word has length 140 [2024-11-28 03:27:25,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:25,408 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 908 transitions. [2024-11-28 03:27:25,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:25,408 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 908 transitions. [2024-11-28 03:27:25,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 03:27:25,410 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:25,412 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:25,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:25,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:25,612 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:25,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:25,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1448725002, now seen corresponding path program 1 times [2024-11-28 03:27:25,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:25,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416967737] [2024-11-28 03:27:25,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:25,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:25,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:25,615 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:25,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:25,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:27:25,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:26,040 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 22 treesize of output 10 [2024-11-28 03:27:26,362 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:27:26,363 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:27:26,363 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:26,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416967737] [2024-11-28 03:27:26,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416967737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:26,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:26,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:27:26,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456381982] [2024-11-28 03:27:26,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:26,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:27:26,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:26,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:27:26,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:27:26,364 INFO L87 Difference]: Start difference. First operand 749 states and 908 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:28,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:28,689 INFO L93 Difference]: Finished difference Result 1258 states and 1517 transitions. [2024-11-28 03:27:28,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:27:28,690 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 141 [2024-11-28 03:27:28,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:28,694 INFO L225 Difference]: With dead ends: 1258 [2024-11-28 03:27:28,694 INFO L226 Difference]: Without dead ends: 761 [2024-11-28 03:27:28,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:27:28,695 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 74 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:28,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 734 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 03:27:28,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-11-28 03:27:28,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 671. [2024-11-28 03:27:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 551 states have (on average 1.148820326678766) internal successors, (633), 560 states have internal predecessors, (633), 92 states have call successors, (92), 27 states have call predecessors, (92), 27 states have return successors, (92), 83 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-28 03:27:28,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 817 transitions. [2024-11-28 03:27:28,817 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 817 transitions. Word has length 141 [2024-11-28 03:27:28,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:28,818 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 817 transitions. [2024-11-28 03:27:28,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:28,818 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 817 transitions. [2024-11-28 03:27:28,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 03:27:28,819 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:28,819 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:28,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:29,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:29,020 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:29,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:29,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1845697275, now seen corresponding path program 1 times [2024-11-28 03:27:29,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:29,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1915813958] [2024-11-28 03:27:29,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:29,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:29,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:29,023 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:29,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:29,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:27:29,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:27:29,376 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:27:29,376 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:29,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1915813958] [2024-11-28 03:27:29,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1915813958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:29,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:29,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:27:29,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896355411] [2024-11-28 03:27:29,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:29,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:29,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:29,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:29,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:29,378 INFO L87 Difference]: Start difference. First operand 671 states and 817 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:29,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:29,447 INFO L93 Difference]: Finished difference Result 1091 states and 1328 transitions. [2024-11-28 03:27:29,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:29,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 143 [2024-11-28 03:27:29,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:29,451 INFO L225 Difference]: With dead ends: 1091 [2024-11-28 03:27:29,451 INFO L226 Difference]: Without dead ends: 671 [2024-11-28 03:27:29,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:29,453 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 1 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:29,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 265 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:27:29,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-11-28 03:27:29,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2024-11-28 03:27:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 551 states have (on average 1.1433756805807622) internal successors, (630), 560 states have internal predecessors, (630), 92 states have call successors, (92), 27 states have call predecessors, (92), 27 states have return successors, (92), 83 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-28 03:27:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 814 transitions. [2024-11-28 03:27:29,559 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 814 transitions. Word has length 143 [2024-11-28 03:27:29,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:29,559 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 814 transitions. [2024-11-28 03:27:29,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:29,559 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 814 transitions. [2024-11-28 03:27:29,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 03:27:29,563 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:29,563 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:29,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:29,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:29,764 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:29,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:29,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1063066627, now seen corresponding path program 1 times [2024-11-28 03:27:29,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:29,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704814439] [2024-11-28 03:27:29,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:29,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:29,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:29,766 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:29,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:30,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:27:30,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:30,177 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 22 treesize of output 10 [2024-11-28 03:27:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:27:30,238 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:27:30,238 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:30,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704814439] [2024-11-28 03:27:30,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704814439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:30,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:30,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:27:30,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614817388] [2024-11-28 03:27:30,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:30,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:27:30,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:30,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:27:30,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:27:30,240 INFO L87 Difference]: Start difference. First operand 671 states and 814 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:30,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:30,718 INFO L93 Difference]: Finished difference Result 1168 states and 1407 transitions. [2024-11-28 03:27:30,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:27:30,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 143 [2024-11-28 03:27:30,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:30,722 INFO L225 Difference]: With dead ends: 1168 [2024-11-28 03:27:30,722 INFO L226 Difference]: Without dead ends: 755 [2024-11-28 03:27:30,723 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 03:27:30,724 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 46 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:30,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 554 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:27:30,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-11-28 03:27:30,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 671. [2024-11-28 03:27:30,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 551 states have (on average 1.1397459165154264) internal successors, (628), 560 states have internal predecessors, (628), 92 states have call successors, (92), 27 states have call predecessors, (92), 27 states have return successors, (92), 83 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-28 03:27:30,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 812 transitions. [2024-11-28 03:27:30,824 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 812 transitions. Word has length 143 [2024-11-28 03:27:30,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:30,825 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 812 transitions. [2024-11-28 03:27:30,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:30,825 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 812 transitions. [2024-11-28 03:27:30,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 03:27:30,827 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:30,827 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:30,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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)] Ended with exit code 0 [2024-11-28 03:27:31,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:31,027 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:31,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:31,028 INFO L85 PathProgramCache]: Analyzing trace with hash 384445026, now seen corresponding path program 1 times [2024-11-28 03:27:31,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:31,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856243098] [2024-11-28 03:27:31,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:31,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:31,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:31,030 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:31,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:31,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:27:31,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:27:31,425 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:27:31,425 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:31,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856243098] [2024-11-28 03:27:31,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856243098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:31,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:31,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:27:31,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292784179] [2024-11-28 03:27:31,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:31,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:31,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:31,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:31,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:31,427 INFO L87 Difference]: Start difference. First operand 671 states and 812 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:31,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:31,546 INFO L93 Difference]: Finished difference Result 1084 states and 1312 transitions. [2024-11-28 03:27:31,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:31,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 145 [2024-11-28 03:27:31,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:31,550 INFO L225 Difference]: With dead ends: 1084 [2024-11-28 03:27:31,550 INFO L226 Difference]: Without dead ends: 671 [2024-11-28 03:27:31,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:31,551 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:31,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 260 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:27:31,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-11-28 03:27:31,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2024-11-28 03:27:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 551 states have (on average 1.1361161524500907) internal successors, (626), 560 states have internal predecessors, (626), 92 states have call successors, (92), 27 states have call predecessors, (92), 27 states have return successors, (92), 83 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-28 03:27:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 810 transitions. [2024-11-28 03:27:31,623 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 810 transitions. Word has length 145 [2024-11-28 03:27:31,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:31,623 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 810 transitions. [2024-11-28 03:27:31,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 810 transitions. [2024-11-28 03:27:31,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 03:27:31,624 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:31,624 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:31,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:31,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:31,825 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:31,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:31,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1203902876, now seen corresponding path program 1 times [2024-11-28 03:27:31,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:31,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800982913] [2024-11-28 03:27:31,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:31,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:31,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:31,829 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:31,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:32,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:27:32,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:32,201 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 03:27:32,287 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 21 treesize of output 9 [2024-11-28 03:27:32,504 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 03:27:32,504 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:27:32,504 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:32,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800982913] [2024-11-28 03:27:32,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1800982913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:32,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:32,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 03:27:32,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277155432] [2024-11-28 03:27:32,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:32,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:27:32,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:32,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:27:32,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:27:32,506 INFO L87 Difference]: Start difference. First operand 671 states and 810 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:33,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:33,594 INFO L93 Difference]: Finished difference Result 1084 states and 1308 transitions. [2024-11-28 03:27:33,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:27:33,594 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 145 [2024-11-28 03:27:33,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:33,598 INFO L225 Difference]: With dead ends: 1084 [2024-11-28 03:27:33,598 INFO L226 Difference]: Without dead ends: 671 [2024-11-28 03:27:33,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:27:33,599 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 116 mSDsluCounter, 1536 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:33,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 1750 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:27:33,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-11-28 03:27:33,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 663. [2024-11-28 03:27:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 543 states have (on average 1.134438305709024) internal successors, (616), 552 states have internal predecessors, (616), 92 states have call successors, (92), 27 states have call predecessors, (92), 27 states have return successors, (92), 83 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-28 03:27:33,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 800 transitions. [2024-11-28 03:27:33,711 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 800 transitions. Word has length 145 [2024-11-28 03:27:33,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:33,712 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 800 transitions. [2024-11-28 03:27:33,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:33,712 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 800 transitions. [2024-11-28 03:27:33,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-28 03:27:33,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:33,714 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:33,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:33,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:33,915 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:33,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:33,916 INFO L85 PathProgramCache]: Analyzing trace with hash 725612703, now seen corresponding path program 1 times [2024-11-28 03:27:33,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:33,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109025959] [2024-11-28 03:27:33,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:33,917 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:33,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:33,919 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:33,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:34,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:27:34,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:34,500 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 03:27:34,664 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 9 [2024-11-28 03:27:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 1081 proven. 6 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2024-11-28 03:27:35,119 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:27:35,662 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 26 [2024-11-28 03:27:35,669 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 03:27:35,686 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:27:35,687 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 26 treesize of output 46 [2024-11-28 03:27:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-28 03:27:35,908 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:35,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109025959] [2024-11-28 03:27:35,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109025959] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:27:35,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:27:35,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2024-11-28 03:27:35,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14458423] [2024-11-28 03:27:35,909 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:27:35,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:27:35,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:35,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:27:35,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:27:35,910 INFO L87 Difference]: Start difference. First operand 663 states and 800 transitions. Second operand has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-28 03:27:36,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:36,414 INFO L93 Difference]: Finished difference Result 967 states and 1167 transitions. [2024-11-28 03:27:36,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:27:36,415 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 272 [2024-11-28 03:27:36,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:36,418 INFO L225 Difference]: With dead ends: 967 [2024-11-28 03:27:36,418 INFO L226 Difference]: Without dead ends: 562 [2024-11-28 03:27:36,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 539 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:27:36,419 INFO L435 NwaCegarLoop]: 251 mSDtfsCounter, 126 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:36,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 825 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:27:36,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-28 03:27:36,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562. [2024-11-28 03:27:36,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 449 states have (on average 1.1202672605790647) internal successors, (503), 457 states have internal predecessors, (503), 86 states have call successors, (86), 26 states have call predecessors, (86), 26 states have return successors, (86), 78 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-28 03:27:36,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 675 transitions. [2024-11-28 03:27:36,528 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 675 transitions. Word has length 272 [2024-11-28 03:27:36,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:36,529 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 675 transitions. [2024-11-28 03:27:36,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-28 03:27:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 675 transitions. [2024-11-28 03:27:36,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-28 03:27:36,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:36,531 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:36,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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)] Ended with exit code 0 [2024-11-28 03:27:36,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:36,732 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:36,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:36,733 INFO L85 PathProgramCache]: Analyzing trace with hash 547289080, now seen corresponding path program 1 times [2024-11-28 03:27:36,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:36,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [517648427] [2024-11-28 03:27:36,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:36,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:36,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:36,736 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:36,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:37,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:27:37,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:37,518 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 8 treesize of output 1 [2024-11-28 03:27:38,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 47 [2024-11-28 03:27:38,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:27:38,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 69 [2024-11-28 03:27:38,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2024-11-28 03:27:38,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:27:38,615 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 78 treesize of output 36 [2024-11-28 03:27:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 1329 proven. 24 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2024-11-28 03:27:38,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:27:39,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1995 trivial. 0 not checked. [2024-11-28 03:27:39,200 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:39,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [517648427] [2024-11-28 03:27:39,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [517648427] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:27:39,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:27:39,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-28 03:27:39,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199216758] [2024-11-28 03:27:39,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:39,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:27:39,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:39,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:27:39,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:27:39,202 INFO L87 Difference]: Start difference. First operand 562 states and 675 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:27:39,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:39,516 INFO L93 Difference]: Finished difference Result 1052 states and 1247 transitions. [2024-11-28 03:27:39,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:27:39,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 274 [2024-11-28 03:27:39,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:39,520 INFO L225 Difference]: With dead ends: 1052 [2024-11-28 03:27:39,520 INFO L226 Difference]: Without dead ends: 578 [2024-11-28 03:27:39,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:27:39,522 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 108 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:39,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 447 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:27:39,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-28 03:27:39,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 574. [2024-11-28 03:27:39,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 458 states have (on average 1.1091703056768558) internal successors, (508), 466 states have internal predecessors, (508), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 78 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-28 03:27:39,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 680 transitions. [2024-11-28 03:27:39,651 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 680 transitions. Word has length 274 [2024-11-28 03:27:39,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:39,652 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 680 transitions. [2024-11-28 03:27:39,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:27:39,652 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 680 transitions. [2024-11-28 03:27:39,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-28 03:27:39,654 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:39,654 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:39,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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)] Ended with exit code 0 [2024-11-28 03:27:39,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:39,855 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:39,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:39,855 INFO L85 PathProgramCache]: Analyzing trace with hash 185490415, now seen corresponding path program 1 times [2024-11-28 03:27:39,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:39,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076415143] [2024-11-28 03:27:39,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:39,856 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:39,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:39,857 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:39,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 (32)] Waiting until timeout for monitored process [2024-11-28 03:27:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:40,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:27:40,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:40,426 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 9 [2024-11-28 03:27:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 1076 proven. 0 refuted. 0 times theorem prover too weak. 971 trivial. 0 not checked. [2024-11-28 03:27:40,936 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:27:40,936 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:40,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076415143] [2024-11-28 03:27:40,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076415143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:40,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:40,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:27:40,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328371192] [2024-11-28 03:27:40,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:40,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:27:40,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:40,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:27:40,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:27:40,938 INFO L87 Difference]: Start difference. First operand 574 states and 680 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:27:41,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:41,332 INFO L93 Difference]: Finished difference Result 876 states and 1034 transitions. [2024-11-28 03:27:41,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:27:41,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 277 [2024-11-28 03:27:41,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:41,335 INFO L225 Difference]: With dead ends: 876 [2024-11-28 03:27:41,335 INFO L226 Difference]: Without dead ends: 574 [2024-11-28 03:27:41,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:27:41,336 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 134 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:41,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 461 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:27:41,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-28 03:27:41,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2024-11-28 03:27:41,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 458 states have (on average 1.1069868995633187) internal successors, (507), 466 states have internal predecessors, (507), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 78 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-28 03:27:41,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 679 transitions. [2024-11-28 03:27:41,448 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 679 transitions. Word has length 277 [2024-11-28 03:27:41,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:41,448 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 679 transitions. [2024-11-28 03:27:41,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:27:41,448 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 679 transitions. [2024-11-28 03:27:41,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-28 03:27:41,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:41,450 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:41,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 (32)] Ended with exit code 0 [2024-11-28 03:27:41,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:41,651 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:41,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:41,652 INFO L85 PathProgramCache]: Analyzing trace with hash 2079824301, now seen corresponding path program 1 times [2024-11-28 03:27:41,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:41,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661056097] [2024-11-28 03:27:41,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:41,652 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:41,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:41,654 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:41,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:42,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 03:27:42,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:42,485 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 8 treesize of output 1 [2024-11-28 03:27:42,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 15 [2024-11-28 03:27:43,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 47 [2024-11-28 03:27:43,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:27:43,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 69 [2024-11-28 03:27:43,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2024-11-28 03:27:43,651 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:27:43,651 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 95 treesize of output 47 [2024-11-28 03:27:43,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 1301 proven. 30 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2024-11-28 03:27:43,708 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:27:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1995 trivial. 0 not checked. [2024-11-28 03:27:44,404 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:44,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661056097] [2024-11-28 03:27:44,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661056097] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:27:44,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:27:44,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2024-11-28 03:27:44,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711508407] [2024-11-28 03:27:44,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:44,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:27:44,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:44,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:27:44,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:27:44,405 INFO L87 Difference]: Start difference. First operand 574 states and 679 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:27:44,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:44,807 INFO L93 Difference]: Finished difference Result 921 states and 1081 transitions. [2024-11-28 03:27:44,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:27:44,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 277 [2024-11-28 03:27:44,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:44,811 INFO L225 Difference]: With dead ends: 921 [2024-11-28 03:27:44,811 INFO L226 Difference]: Without dead ends: 618 [2024-11-28 03:27:44,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:27:44,813 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 146 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:44,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 547 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:27:44,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-28 03:27:44,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 573. [2024-11-28 03:27:44,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 457 states have (on average 1.1028446389496718) internal successors, (504), 465 states have internal predecessors, (504), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 78 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-28 03:27:44,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 676 transitions. [2024-11-28 03:27:44,930 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 676 transitions. Word has length 277 [2024-11-28 03:27:44,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:44,930 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 676 transitions. [2024-11-28 03:27:44,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:27:44,930 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 676 transitions. [2024-11-28 03:27:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-28 03:27:44,932 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:44,932 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:44,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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)] Ended with exit code 0 [2024-11-28 03:27:45,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:45,133 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:45,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:45,134 INFO L85 PathProgramCache]: Analyzing trace with hash 706891528, now seen corresponding path program 1 times [2024-11-28 03:27:45,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:45,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098269623] [2024-11-28 03:27:45,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:45,134 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:45,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:45,136 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:45,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 (34)] Waiting until timeout for monitored process [2024-11-28 03:27:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:46,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 03:27:46,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:46,152 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 8 treesize of output 1 [2024-11-28 03:27:46,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 29 treesize of output 13 [2024-11-28 03:27:46,427 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:27:46,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 46 treesize of output 29 [2024-11-28 03:27:46,531 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:27:46,532 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 45 treesize of output 21 [2024-11-28 03:27:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 1691 trivial. 0 not checked. [2024-11-28 03:27:46,654 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:27:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2024-11-28 03:27:47,163 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:47,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098269623] [2024-11-28 03:27:47,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2098269623] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:27:47,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:27:47,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-28 03:27:47,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712410257] [2024-11-28 03:27:47,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:47,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:27:47,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:47,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:27:47,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:27:47,165 INFO L87 Difference]: Start difference. First operand 573 states and 676 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:47,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:47,901 INFO L93 Difference]: Finished difference Result 992 states and 1160 transitions. [2024-11-28 03:27:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:27:47,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 281 [2024-11-28 03:27:47,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:47,906 INFO L225 Difference]: With dead ends: 992 [2024-11-28 03:27:47,906 INFO L226 Difference]: Without dead ends: 781 [2024-11-28 03:27:47,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:27:47,908 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 105 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:47,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 549 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:27:47,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-11-28 03:27:48,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 659. [2024-11-28 03:27:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 544 states have (on average 1.1029411764705883) internal successors, (600), 553 states have internal predecessors, (600), 84 states have call successors, (84), 30 states have call predecessors, (84), 30 states have return successors, (84), 75 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-28 03:27:48,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 768 transitions. [2024-11-28 03:27:48,042 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 768 transitions. Word has length 281 [2024-11-28 03:27:48,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:48,043 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 768 transitions. [2024-11-28 03:27:48,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 768 transitions. [2024-11-28 03:27:48,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-28 03:27:48,045 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:48,045 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:48,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 (34)] Ended with exit code 0 [2024-11-28 03:27:48,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:48,246 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:48,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:48,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1727959882, now seen corresponding path program 1 times [2024-11-28 03:27:48,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:48,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937875998] [2024-11-28 03:27:48,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:48,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:48,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:48,251 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:48,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:49,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 03:27:49,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:49,382 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 19 treesize of output 1 [2024-11-28 03:27:49,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 [2024-11-28 03:27:49,557 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:27:49,557 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 41 treesize of output 17 [2024-11-28 03:27:49,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2024-11-28 03:27:49,663 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:27:49,663 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:49,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937875998] [2024-11-28 03:27:49,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937875998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:49,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:49,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:27:49,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327212942] [2024-11-28 03:27:49,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:49,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:27:49,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:49,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:27:49,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:27:49,665 INFO L87 Difference]: Start difference. First operand 659 states and 768 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:50,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:50,958 INFO L93 Difference]: Finished difference Result 1158 states and 1347 transitions. [2024-11-28 03:27:50,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:27:50,959 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 281 [2024-11-28 03:27:50,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:50,963 INFO L225 Difference]: With dead ends: 1158 [2024-11-28 03:27:50,963 INFO L226 Difference]: Without dead ends: 750 [2024-11-28 03:27:50,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:27:50,964 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 102 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:50,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 975 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:27:50,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2024-11-28 03:27:51,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 748. [2024-11-28 03:27:51,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 606 states have (on average 1.0973597359735974) internal successors, (665), 617 states have internal predecessors, (665), 102 states have call successors, (102), 39 states have call predecessors, (102), 39 states have return successors, (102), 91 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-28 03:27:51,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 869 transitions. [2024-11-28 03:27:51,124 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 869 transitions. Word has length 281 [2024-11-28 03:27:51,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:51,124 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 869 transitions. [2024-11-28 03:27:51,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:51,125 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 869 transitions. [2024-11-28 03:27:51,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-28 03:27:51,126 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:51,127 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:51,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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)] Ended with exit code 0 [2024-11-28 03:27:51,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:51,327 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:51,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:51,328 INFO L85 PathProgramCache]: Analyzing trace with hash 768931142, now seen corresponding path program 1 times [2024-11-28 03:27:51,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:51,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977655872] [2024-11-28 03:27:51,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:51,329 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 03:27:51,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:51,332 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:51,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 03:27:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:52,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 03:27:52,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:52,468 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 8 treesize of output 1 [2024-11-28 03:27:52,473 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 19 treesize of output 1 [2024-11-28 03:27:52,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 21 [2024-11-28 03:27:52,596 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:27:52,596 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 17 [2024-11-28 03:27:52,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2024-11-28 03:27:52,698 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:27:52,699 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:52,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977655872] [2024-11-28 03:27:52,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977655872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:52,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:52,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:27:52,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556879156] [2024-11-28 03:27:52,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:52,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:27:52,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:52,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:27:52,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:27:52,700 INFO L87 Difference]: Start difference. First operand 748 states and 869 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:53,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:53,608 INFO L93 Difference]: Finished difference Result 1155 states and 1339 transitions. [2024-11-28 03:27:53,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:27:53,609 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 281 [2024-11-28 03:27:53,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:53,612 INFO L225 Difference]: With dead ends: 1155 [2024-11-28 03:27:53,612 INFO L226 Difference]: Without dead ends: 761 [2024-11-28 03:27:53,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:27:53,614 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 109 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:53,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 1020 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:27:53,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-11-28 03:27:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 666. [2024-11-28 03:27:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 544 states have (on average 1.09375) internal successors, (595), 553 states have internal predecessors, (595), 88 states have call successors, (88), 33 states have call predecessors, (88), 33 states have return successors, (88), 79 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-28 03:27:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 771 transitions. [2024-11-28 03:27:53,730 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 771 transitions. Word has length 281 [2024-11-28 03:27:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:53,730 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 771 transitions. [2024-11-28 03:27:53,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 771 transitions. [2024-11-28 03:27:53,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-28 03:27:53,731 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:53,731 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:53,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:27:53,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:53,932 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:53,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:53,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1789999496, now seen corresponding path program 1 times [2024-11-28 03:27:53,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:53,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664094779] [2024-11-28 03:27:53,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:53,933 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:53,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:27:53,934 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:27:53,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 (37)] Waiting until timeout for monitored process [2024-11-28 03:27:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:54,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 03:27:54,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:55,003 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 8 treesize of output 1 [2024-11-28 03:27:55,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 29 treesize of output 13 [2024-11-28 03:27:55,315 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:27:55,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 47 treesize of output 30 [2024-11-28 03:27:55,416 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:27:55,417 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 46 treesize of output 22 [2024-11-28 03:27:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 1691 trivial. 0 not checked. [2024-11-28 03:27:55,523 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:27:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2024-11-28 03:27:56,030 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:56,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1664094779] [2024-11-28 03:27:56,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1664094779] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:27:56,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:27:56,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-28 03:27:56,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359913487] [2024-11-28 03:27:56,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:56,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:27:56,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:56,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:27:56,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:27:56,032 INFO L87 Difference]: Start difference. First operand 666 states and 771 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:56,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:56,588 INFO L93 Difference]: Finished difference Result 1136 states and 1312 transitions. [2024-11-28 03:27:56,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:27:56,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 281 [2024-11-28 03:27:56,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:56,590 INFO L225 Difference]: With dead ends: 1136 [2024-11-28 03:27:56,590 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:27:56,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:27:56,591 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 96 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:56,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 642 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:27:56,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:27:56,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:27:56,592 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 03:27:56,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:27:56,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 281 [2024-11-28 03:27:56,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:56,592 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:27:56,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:27:56,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:27:56,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:27:56,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:27:56,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/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 (37)] Ended with exit code 0 [2024-11-28 03:27:56,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2487043f-42aa-42fd-a826-b919697ac8c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:27:56,798 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] [2024-11-28 03:27:56,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:30:09,913 WARN L286 SmtUtils]: Spent 2.15m on a formula simplification. DAG size of input: 189 DAG size of output: 154 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-28 03:30:19,588 WARN L286 SmtUtils]: Spent 9.67s on a formula simplification. DAG size of input: 151 DAG size of output: 119 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)