./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.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_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/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_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/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_9ea7949d-65fa-401b-bfc6-98b5adff1514/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 fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:02:40,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:02:40,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:02:40,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:02:40,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:02:40,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:02:40,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:02:40,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:02:40,280 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:02:40,280 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:02:40,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:02:40,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:02:40,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:02:40,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:02:40,283 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:02:40,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:02:40,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:02:40,284 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:02:40,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:02:40,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:02:40,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:02:40,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:02:40,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:02:40,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:02:40,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:02:40,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:02:40,285 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:02:40,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:02:40,285 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:02:40,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:02:40,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:02:40,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:02:40,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:02:40,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:02:40,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:02:40,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:02:40,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:02:40,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:02:40,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:02:40,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:02:40,287 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:02:40,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:02:40,287 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:02:40,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:02:40,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:02:40,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:02:40,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:02:40,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:02:40,287 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_9ea7949d-65fa-401b-bfc6-98b5adff1514/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 -> fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c [2024-11-28 04:02:40,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:02:40,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:02:40,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:02:40,652 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:02:40,653 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:02:40,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2024-11-28 04:02:43,596 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/data/dbe4f7ed7/d39ba3506173460ba322c483cc29fe10/FLAG54a2b1012 [2024-11-28 04:02:43,925 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:02:43,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2024-11-28 04:02:43,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/data/dbe4f7ed7/d39ba3506173460ba322c483cc29fe10/FLAG54a2b1012 [2024-11-28 04:02:43,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/data/dbe4f7ed7/d39ba3506173460ba322c483cc29fe10 [2024-11-28 04:02:43,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:02:43,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:02:43,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:02:43,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:02:43,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:02:43,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:02:43" (1/1) ... [2024-11-28 04:02:43,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1220e912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:43, skipping insertion in model container [2024-11-28 04:02:43,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:02:43" (1/1) ... [2024-11-28 04:02:44,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:02:44,168 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-11-28 04:02:44,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:02:44,277 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:02:44,288 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_9ea7949d-65fa-401b-bfc6-98b5adff1514/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-11-28 04:02:44,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:02:44,372 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:02:44,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44 WrapperNode [2024-11-28 04:02:44,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:02:44,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:02:44,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:02:44,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:02:44,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (1/1) ... [2024-11-28 04:02:44,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (1/1) ... [2024-11-28 04:02:44,466 INFO L138 Inliner]: procedures = 29, calls = 170, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 516 [2024-11-28 04:02:44,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:02:44,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:02:44,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:02:44,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:02:44,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (1/1) ... [2024-11-28 04:02:44,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (1/1) ... [2024-11-28 04:02:44,486 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (1/1) ... [2024-11-28 04:02:44,506 INFO L175 MemorySlicer]: Split 135 memory accesses to 6 slices as follows [2, 16, 32, 28, 21, 36]. 27 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 3, 4, 3, 3, 3]. The 18 writes are split as follows [0, 3, 4, 3, 4, 4]. [2024-11-28 04:02:44,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (1/1) ... [2024-11-28 04:02:44,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (1/1) ... [2024-11-28 04:02:44,528 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (1/1) ... [2024-11-28 04:02:44,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (1/1) ... [2024-11-28 04:02:44,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (1/1) ... [2024-11-28 04:02:44,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (1/1) ... [2024-11-28 04:02:44,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (1/1) ... [2024-11-28 04:02:44,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:02:44,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:02:44,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:02:44,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:02:44,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (1/1) ... [2024-11-28 04:02:44,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:02:44,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:02:44,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:02:44,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:02:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:02:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:02:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:02:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:02:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:02:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:02:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:02:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 04:02:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 04:02:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 04:02:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 04:02:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 04:02:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-28 04:02:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 04:02:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 04:02:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 04:02:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 04:02:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-28 04:02:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-28 04:02:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:02:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:02:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:02:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:02:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:02:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:02:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 04:02:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 04:02:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 04:02:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 04:02:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-28 04:02:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-28 04:02:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:02:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:02:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:02:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:02:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:02:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:02:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:02:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:02:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:02:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:02:44,818 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:02:44,820 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:02:45,516 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-28 04:02:45,517 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:02:45,529 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:02:45,529 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:02:45,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:02:45 BoogieIcfgContainer [2024-11-28 04:02:45,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:02:45,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:02:45,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:02:45,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:02:45,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:02:43" (1/3) ... [2024-11-28 04:02:45,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c544b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:02:45, skipping insertion in model container [2024-11-28 04:02:45,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:02:44" (2/3) ... [2024-11-28 04:02:45,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c544b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:02:45, skipping insertion in model container [2024-11-28 04:02:45,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:02:45" (3/3) ... [2024-11-28 04:02:45,547 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-6.i [2024-11-28 04:02:45,564 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:02:45,566 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-6.i that has 2 procedures, 122 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:02:45,639 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:02:45,655 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;@2597234f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:02:45,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:02:45,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:02:45,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 04:02:45,677 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:45,678 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:45,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:02:45,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:45,687 INFO L85 PathProgramCache]: Analyzing trace with hash -607756942, now seen corresponding path program 1 times [2024-11-28 04:02:45,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:45,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954422068] [2024-11-28 04:02:45,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:45,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 04:02:46,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:46,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954422068] [2024-11-28 04:02:46,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954422068] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:02:46,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950511529] [2024-11-28 04:02:46,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:46,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:46,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:02:46,157 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:02:46,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:02:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:46,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:02:46,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:46,519 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 04:02:46,519 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:02:46,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950511529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:02:46,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:02:46,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:02:46,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043254191] [2024-11-28 04:02:46,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:02:46,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:02:46,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:46,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:02:46,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:02:46,558 INFO L87 Difference]: Start difference. First operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:02:46,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:46,609 INFO L93 Difference]: Finished difference Result 237 states and 371 transitions. [2024-11-28 04:02:46,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:02:46,612 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-11-28 04:02:46,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:46,620 INFO L225 Difference]: With dead ends: 237 [2024-11-28 04:02:46,621 INFO L226 Difference]: Without dead ends: 118 [2024-11-28 04:02:46,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 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 04:02:46,630 INFO L435 NwaCegarLoop]: 172 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, 172 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 04:02:46,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:02:46,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-28 04:02:46,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-28 04:02:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 97 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:02:46,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-11-28 04:02:46,693 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 158 [2024-11-28 04:02:46,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:46,694 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-11-28 04:02:46,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:02:46,695 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-11-28 04:02:46,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 04:02:46,700 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:46,701 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:46,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:02:46,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:02:46,902 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:02:46,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:46,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1715716112, now seen corresponding path program 1 times [2024-11-28 04:02:46,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:46,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836949567] [2024-11-28 04:02:46,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:46,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:47,480 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:02:47,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:47,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836949567] [2024-11-28 04:02:47,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836949567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:02:47,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:02:47,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:02:47,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202374277] [2024-11-28 04:02:47,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:02:47,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:02:47,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:47,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:02:47,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:02:47,485 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:02:47,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:47,556 INFO L93 Difference]: Finished difference Result 235 states and 344 transitions. [2024-11-28 04:02:47,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:02:47,560 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-11-28 04:02:47,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:47,561 INFO L225 Difference]: With dead ends: 235 [2024-11-28 04:02:47,561 INFO L226 Difference]: Without dead ends: 120 [2024-11-28 04:02:47,562 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 04:02:47,566 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:47,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 499 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:02:47,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-28 04:02:47,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-28 04:02:47,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:02:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-28 04:02:47,589 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 158 [2024-11-28 04:02:47,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:47,592 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-28 04:02:47,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:02:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-28 04:02:47,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 04:02:47,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:47,599 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:47,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:02:47,600 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:02:47,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:47,601 INFO L85 PathProgramCache]: Analyzing trace with hash -931888242, now seen corresponding path program 1 times [2024-11-28 04:02:47,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:47,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162910454] [2024-11-28 04:02:47,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:47,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:02:48,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:48,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162910454] [2024-11-28 04:02:48,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162910454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:02:48,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:02:48,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:02:48,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769455231] [2024-11-28 04:02:48,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:02:48,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:02:48,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:48,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:02:48,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:02:48,080 INFO L87 Difference]: Start difference. First operand 120 states and 174 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:02:48,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:48,122 INFO L93 Difference]: Finished difference Result 237 states and 345 transitions. [2024-11-28 04:02:48,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:02:48,123 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-11-28 04:02:48,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:48,127 INFO L225 Difference]: With dead ends: 237 [2024-11-28 04:02:48,129 INFO L226 Difference]: Without dead ends: 120 [2024-11-28 04:02:48,129 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 04:02:48,130 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 335 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 04:02:48,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:02:48,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-28 04:02:48,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-28 04:02:48,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:02:48,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2024-11-28 04:02:48,149 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 158 [2024-11-28 04:02:48,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:48,151 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2024-11-28 04:02:48,151 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:02:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2024-11-28 04:02:48,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 04:02:48,157 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:48,157 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:48,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:02:48,157 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:02:48,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:48,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1674135312, now seen corresponding path program 1 times [2024-11-28 04:02:48,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:48,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485052177] [2024-11-28 04:02:48,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:48,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-28 04:02:48,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:48,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485052177] [2024-11-28 04:02:48,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485052177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:02:48,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825010364] [2024-11-28 04:02:48,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:48,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:48,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:02:48,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:02:48,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:02:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:48,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:02:48,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:02:49,055 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:02:49,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825010364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:02:49,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:02:49,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-28 04:02:49,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439250550] [2024-11-28 04:02:49,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:02:49,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:02:49,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:49,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:02:49,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:02:49,059 INFO L87 Difference]: Start difference. First operand 120 states and 173 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:02:49,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:49,112 INFO L93 Difference]: Finished difference Result 239 states and 346 transitions. [2024-11-28 04:02:49,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:02:49,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-11-28 04:02:49,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:49,119 INFO L225 Difference]: With dead ends: 239 [2024-11-28 04:02:49,119 INFO L226 Difference]: Without dead ends: 122 [2024-11-28 04:02:49,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:02:49,121 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:49,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 496 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:02:49,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-28 04:02:49,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-28 04:02:49,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:02:49,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 175 transitions. [2024-11-28 04:02:49,133 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 175 transitions. Word has length 158 [2024-11-28 04:02:49,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:49,134 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 175 transitions. [2024-11-28 04:02:49,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:02:49,134 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 175 transitions. [2024-11-28 04:02:49,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 04:02:49,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:49,137 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:49,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:02:49,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:49,338 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:02:49,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:49,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1776006338, now seen corresponding path program 1 times [2024-11-28 04:02:49,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:49,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137671652] [2024-11-28 04:02:49,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:49,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:49,822 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:02:49,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:49,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137671652] [2024-11-28 04:02:49,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137671652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:02:49,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:02:49,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:02:49,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209390171] [2024-11-28 04:02:49,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:02:49,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:02:49,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:49,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:02:49,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:02:49,824 INFO L87 Difference]: Start difference. First operand 122 states and 175 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:02:49,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:49,900 INFO L93 Difference]: Finished difference Result 241 states and 347 transitions. [2024-11-28 04:02:49,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:02:49,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2024-11-28 04:02:49,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:49,902 INFO L225 Difference]: With dead ends: 241 [2024-11-28 04:02:49,902 INFO L226 Difference]: Without dead ends: 122 [2024-11-28 04:02:49,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:02:49,903 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 481 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 04:02:49,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 481 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:02:49,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-28 04:02:49,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-28 04:02:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:02:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-11-28 04:02:49,925 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 160 [2024-11-28 04:02:49,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:49,925 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-11-28 04:02:49,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:02:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-11-28 04:02:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 04:02:49,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:49,929 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:49,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:02:49,929 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:02:49,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:49,930 INFO L85 PathProgramCache]: Analyzing trace with hash 187658436, now seen corresponding path program 1 times [2024-11-28 04:02:49,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:49,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119829039] [2024-11-28 04:02:49,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:49,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:02:52,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:52,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119829039] [2024-11-28 04:02:52,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119829039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:02:52,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:02:52,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:02:52,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831194271] [2024-11-28 04:02:52,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:02:52,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:02:52,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:52,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:02:52,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:02:52,612 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 04:02:53,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:53,225 INFO L93 Difference]: Finished difference Result 348 states and 497 transitions. [2024-11-28 04:02:53,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:02:53,226 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 160 [2024-11-28 04:02:53,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:53,228 INFO L225 Difference]: With dead ends: 348 [2024-11-28 04:02:53,228 INFO L226 Difference]: Without dead ends: 229 [2024-11-28 04:02:53,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:02:53,233 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 130 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:53,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1610 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:02:53,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-28 04:02:53,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 226. [2024-11-28 04:02:53,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 190 states have (on average 1.3473684210526315) internal successors, (256), 191 states have internal predecessors, (256), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-28 04:02:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 322 transitions. [2024-11-28 04:02:53,272 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 322 transitions. Word has length 160 [2024-11-28 04:02:53,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:53,272 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 322 transitions. [2024-11-28 04:02:53,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 04:02:53,275 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 322 transitions. [2024-11-28 04:02:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 04:02:53,277 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:53,277 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:53,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:02:53,278 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:02:53,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:53,278 INFO L85 PathProgramCache]: Analyzing trace with hash -938376661, now seen corresponding path program 1 times [2024-11-28 04:02:53,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:53,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299522375] [2024-11-28 04:02:53,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:53,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-28 04:03:00,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:00,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299522375] [2024-11-28 04:03:00,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299522375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:00,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:00,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 04:03:00,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712087861] [2024-11-28 04:03:00,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:00,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 04:03:00,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:00,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 04:03:00,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:03:00,116 INFO L87 Difference]: Start difference. First operand 226 states and 322 transitions. Second operand has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:03:10,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-28 04:03:16,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:16,446 INFO L93 Difference]: Finished difference Result 920 states and 1309 transitions. [2024-11-28 04:03:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-28 04:03:16,448 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 160 [2024-11-28 04:03:16,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:16,458 INFO L225 Difference]: With dead ends: 920 [2024-11-28 04:03:16,458 INFO L226 Difference]: Without dead ends: 697 [2024-11-28 04:03:16,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=188, Invalid=1144, Unknown=0, NotChecked=0, Total=1332 [2024-11-28 04:03:16,462 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 745 mSDsluCounter, 1486 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:16,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 1650 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 1447 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2024-11-28 04:03:16,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-11-28 04:03:16,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 516. [2024-11-28 04:03:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 427 states have (on average 1.334894613583138) internal successors, (570), 430 states have internal predecessors, (570), 82 states have call successors, (82), 6 states have call predecessors, (82), 6 states have return successors, (82), 79 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-28 04:03:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 734 transitions. [2024-11-28 04:03:16,560 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 734 transitions. Word has length 160 [2024-11-28 04:03:16,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:16,561 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 734 transitions. [2024-11-28 04:03:16,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:03:16,561 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 734 transitions. [2024-11-28 04:03:16,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-28 04:03:16,563 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:16,563 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:16,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:03:16,564 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:16,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:16,565 INFO L85 PathProgramCache]: Analyzing trace with hash -789930225, now seen corresponding path program 1 times [2024-11-28 04:03:16,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:16,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418189455] [2024-11-28 04:03:16,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:16,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:18,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:18,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418189455] [2024-11-28 04:03:18,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418189455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:18,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:18,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:03:18,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906831718] [2024-11-28 04:03:18,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:18,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:03:18,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:18,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:03:18,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:03:18,230 INFO L87 Difference]: Start difference. First operand 516 states and 734 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 04:03:19,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:19,398 INFO L93 Difference]: Finished difference Result 872 states and 1239 transitions. [2024-11-28 04:03:19,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:03:19,399 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 161 [2024-11-28 04:03:19,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:19,403 INFO L225 Difference]: With dead ends: 872 [2024-11-28 04:03:19,403 INFO L226 Difference]: Without dead ends: 569 [2024-11-28 04:03:19,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:03:19,405 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 331 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:19,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 1147 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:03:19,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-11-28 04:03:19,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 539. [2024-11-28 04:03:19,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 450 states have (on average 1.3355555555555556) internal successors, (601), 453 states have internal predecessors, (601), 82 states have call successors, (82), 6 states have call predecessors, (82), 6 states have return successors, (82), 79 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-28 04:03:19,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 765 transitions. [2024-11-28 04:03:19,476 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 765 transitions. Word has length 161 [2024-11-28 04:03:19,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:19,477 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 765 transitions. [2024-11-28 04:03:19,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 04:03:19,477 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 765 transitions. [2024-11-28 04:03:19,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-28 04:03:19,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:19,479 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:19,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:03:19,480 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:19,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:19,480 INFO L85 PathProgramCache]: Analyzing trace with hash -949690418, now seen corresponding path program 1 times [2024-11-28 04:03:19,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:19,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237058548] [2024-11-28 04:03:19,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:19,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:20,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:20,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237058548] [2024-11-28 04:03:20,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237058548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:20,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:20,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:03:20,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584438077] [2024-11-28 04:03:20,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:20,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:03:20,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:20,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:03:20,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:03:20,420 INFO L87 Difference]: Start difference. First operand 539 states and 765 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:21,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:21,120 INFO L93 Difference]: Finished difference Result 1458 states and 2069 transitions. [2024-11-28 04:03:21,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:03:21,120 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2024-11-28 04:03:21,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:21,129 INFO L225 Difference]: With dead ends: 1458 [2024-11-28 04:03:21,130 INFO L226 Difference]: Without dead ends: 1050 [2024-11-28 04:03:21,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:03:21,134 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 266 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:21,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 750 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:03:21,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2024-11-28 04:03:21,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 961. [2024-11-28 04:03:21,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 805 states have (on average 1.3316770186335403) internal successors, (1072), 811 states have internal predecessors, (1072), 145 states have call successors, (145), 10 states have call predecessors, (145), 10 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-28 04:03:21,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1362 transitions. [2024-11-28 04:03:21,342 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1362 transitions. Word has length 161 [2024-11-28 04:03:21,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:21,343 INFO L471 AbstractCegarLoop]: Abstraction has 961 states and 1362 transitions. [2024-11-28 04:03:21,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:21,343 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1362 transitions. [2024-11-28 04:03:21,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-28 04:03:21,350 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:21,350 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:21,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:03:21,350 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:21,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:21,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1656333136, now seen corresponding path program 1 times [2024-11-28 04:03:21,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:21,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708800593] [2024-11-28 04:03:21,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:21,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:21,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:21,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708800593] [2024-11-28 04:03:21,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708800593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:21,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:21,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:03:21,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288882403] [2024-11-28 04:03:21,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:21,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:03:21,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:21,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:03:21,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:03:21,854 INFO L87 Difference]: Start difference. First operand 961 states and 1362 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:22,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:22,204 INFO L93 Difference]: Finished difference Result 2545 states and 3630 transitions. [2024-11-28 04:03:22,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:03:22,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2024-11-28 04:03:22,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:22,214 INFO L225 Difference]: With dead ends: 2545 [2024-11-28 04:03:22,214 INFO L226 Difference]: Without dead ends: 1795 [2024-11-28 04:03:22,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:03:22,217 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 162 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:22,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1298 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:03:22,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2024-11-28 04:03:22,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1771. [2024-11-28 04:03:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1771 states, 1481 states have (on average 1.3328831870357867) internal successors, (1974), 1493 states have internal predecessors, (1974), 271 states have call successors, (271), 18 states have call predecessors, (271), 18 states have return successors, (271), 259 states have call predecessors, (271), 271 states have call successors, (271) [2024-11-28 04:03:22,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1771 states and 2516 transitions. [2024-11-28 04:03:22,501 INFO L78 Accepts]: Start accepts. Automaton has 1771 states and 2516 transitions. Word has length 161 [2024-11-28 04:03:22,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:22,502 INFO L471 AbstractCegarLoop]: Abstraction has 1771 states and 2516 transitions. [2024-11-28 04:03:22,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:22,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2516 transitions. [2024-11-28 04:03:22,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-28 04:03:22,506 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:22,507 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:22,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:03:22,510 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:22,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:22,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1627516910, now seen corresponding path program 1 times [2024-11-28 04:03:22,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:22,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324723627] [2024-11-28 04:03:22,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:22,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:23,369 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:23,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:23,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324723627] [2024-11-28 04:03:23,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324723627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:23,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:23,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:03:23,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051241267] [2024-11-28 04:03:23,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:23,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:03:23,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:23,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:03:23,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:03:23,371 INFO L87 Difference]: Start difference. First operand 1771 states and 2516 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:24,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:24,131 INFO L93 Difference]: Finished difference Result 2986 states and 4243 transitions. [2024-11-28 04:03:24,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:03:24,131 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2024-11-28 04:03:24,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:24,142 INFO L225 Difference]: With dead ends: 2986 [2024-11-28 04:03:24,142 INFO L226 Difference]: Without dead ends: 1933 [2024-11-28 04:03:24,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:03:24,145 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 235 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:24,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 901 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:03:24,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2024-11-28 04:03:24,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1759. [2024-11-28 04:03:24,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1759 states, 1469 states have (on average 1.328795098706603) internal successors, (1952), 1481 states have internal predecessors, (1952), 271 states have call successors, (271), 18 states have call predecessors, (271), 18 states have return successors, (271), 259 states have call predecessors, (271), 271 states have call successors, (271) [2024-11-28 04:03:24,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2494 transitions. [2024-11-28 04:03:24,407 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2494 transitions. Word has length 161 [2024-11-28 04:03:24,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:24,407 INFO L471 AbstractCegarLoop]: Abstraction has 1759 states and 2494 transitions. [2024-11-28 04:03:24,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:24,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2494 transitions. [2024-11-28 04:03:24,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-28 04:03:24,410 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:24,410 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:24,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:03:24,411 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:24,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:24,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1083703924, now seen corresponding path program 1 times [2024-11-28 04:03:24,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:24,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251500091] [2024-11-28 04:03:24,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:24,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:25,619 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:25,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:25,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251500091] [2024-11-28 04:03:25,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251500091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:25,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:25,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:03:25,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992394721] [2024-11-28 04:03:25,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:25,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:03:25,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:25,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:03:25,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:03:25,623 INFO L87 Difference]: Start difference. First operand 1759 states and 2494 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:03:26,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:26,676 INFO L93 Difference]: Finished difference Result 2374 states and 3372 transitions. [2024-11-28 04:03:26,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:03:26,677 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 161 [2024-11-28 04:03:26,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:26,689 INFO L225 Difference]: With dead ends: 2374 [2024-11-28 04:03:26,690 INFO L226 Difference]: Without dead ends: 1745 [2024-11-28 04:03:26,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:03:26,693 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 162 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:26,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1051 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:03:26,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2024-11-28 04:03:26,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1743. [2024-11-28 04:03:26,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1743 states, 1453 states have (on average 1.3269098417068135) internal successors, (1928), 1465 states have internal predecessors, (1928), 271 states have call successors, (271), 18 states have call predecessors, (271), 18 states have return successors, (271), 259 states have call predecessors, (271), 271 states have call successors, (271) [2024-11-28 04:03:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2470 transitions. [2024-11-28 04:03:26,926 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2470 transitions. Word has length 161 [2024-11-28 04:03:26,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:26,927 INFO L471 AbstractCegarLoop]: Abstraction has 1743 states and 2470 transitions. [2024-11-28 04:03:26,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:03:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2470 transitions. [2024-11-28 04:03:26,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-28 04:03:26,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:26,930 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:26,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:03:26,930 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:26,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:26,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1761530416, now seen corresponding path program 1 times [2024-11-28 04:03:26,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:26,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854292606] [2024-11-28 04:03:26,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:26,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:28,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:28,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854292606] [2024-11-28 04:03:28,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854292606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:28,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:28,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 04:03:28,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791431165] [2024-11-28 04:03:28,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:28,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:03:28,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:28,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:03:28,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:03:28,298 INFO L87 Difference]: Start difference. First operand 1743 states and 2470 transitions. Second operand has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:03:29,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:29,518 INFO L93 Difference]: Finished difference Result 2478 states and 3514 transitions. [2024-11-28 04:03:29,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:03:29,519 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 161 [2024-11-28 04:03:29,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:29,528 INFO L225 Difference]: With dead ends: 2478 [2024-11-28 04:03:29,528 INFO L226 Difference]: Without dead ends: 1863 [2024-11-28 04:03:29,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:03:29,531 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 312 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:29,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 1103 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:03:29,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1863 states. [2024-11-28 04:03:29,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1863 to 1777. [2024-11-28 04:03:29,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1777 states, 1471 states have (on average 1.3201903467029232) internal successors, (1942), 1483 states have internal predecessors, (1942), 283 states have call successors, (283), 22 states have call predecessors, (283), 22 states have return successors, (283), 271 states have call predecessors, (283), 283 states have call successors, (283) [2024-11-28 04:03:29,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2508 transitions. [2024-11-28 04:03:29,786 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2508 transitions. Word has length 161 [2024-11-28 04:03:29,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:29,786 INFO L471 AbstractCegarLoop]: Abstraction has 1777 states and 2508 transitions. [2024-11-28 04:03:29,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:03:29,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2508 transitions. [2024-11-28 04:03:29,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-28 04:03:29,790 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:29,790 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:29,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:03:29,791 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:29,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:29,791 INFO L85 PathProgramCache]: Analyzing trace with hash 549334998, now seen corresponding path program 1 times [2024-11-28 04:03:29,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:29,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699525686] [2024-11-28 04:03:29,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:29,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-28 04:03:30,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:30,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699525686] [2024-11-28 04:03:30,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699525686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:03:30,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530569930] [2024-11-28 04:03:30,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:30,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:03:30,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:03:30,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:03:30,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:03:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:30,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:03:30,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:03:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:30,297 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:03:30,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530569930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:30,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:03:30,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-28 04:03:30,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223284704] [2024-11-28 04:03:30,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:30,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:03:30,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:30,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:03:30,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:03:30,301 INFO L87 Difference]: Start difference. First operand 1777 states and 2508 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:30,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:30,522 INFO L93 Difference]: Finished difference Result 3261 states and 4621 transitions. [2024-11-28 04:03:30,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:03:30,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-11-28 04:03:30,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:30,532 INFO L225 Difference]: With dead ends: 3261 [2024-11-28 04:03:30,532 INFO L226 Difference]: Without dead ends: 1825 [2024-11-28 04:03:30,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 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 04:03:30,538 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 651 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 04:03:30,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 651 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:03:30,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2024-11-28 04:03:30,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1825. [2024-11-28 04:03:30,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1519 states have (on average 1.3100724160631996) internal successors, (1990), 1531 states have internal predecessors, (1990), 283 states have call successors, (283), 22 states have call predecessors, (283), 22 states have return successors, (283), 271 states have call predecessors, (283), 283 states have call successors, (283) [2024-11-28 04:03:30,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2556 transitions. [2024-11-28 04:03:30,774 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2556 transitions. Word has length 162 [2024-11-28 04:03:30,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:30,774 INFO L471 AbstractCegarLoop]: Abstraction has 1825 states and 2556 transitions. [2024-11-28 04:03:30,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2556 transitions. [2024-11-28 04:03:30,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-28 04:03:30,778 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:30,778 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:30,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:03:30,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:03:30,982 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:30,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:30,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1145508905, now seen corresponding path program 1 times [2024-11-28 04:03:30,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:30,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654773235] [2024-11-28 04:03:30,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:30,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:32,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:32,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654773235] [2024-11-28 04:03:32,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654773235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:32,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:32,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:03:32,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851317355] [2024-11-28 04:03:32,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:32,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:03:32,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:32,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:03:32,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:03:32,488 INFO L87 Difference]: Start difference. First operand 1825 states and 2556 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 04:03:33,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:33,935 INFO L93 Difference]: Finished difference Result 3161 states and 4426 transitions. [2024-11-28 04:03:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:03:33,936 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 162 [2024-11-28 04:03:33,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:33,946 INFO L225 Difference]: With dead ends: 3161 [2024-11-28 04:03:33,946 INFO L226 Difference]: Without dead ends: 1865 [2024-11-28 04:03:33,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:03:33,951 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 389 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:33,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1088 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:03:33,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2024-11-28 04:03:34,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1805. [2024-11-28 04:03:34,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1805 states, 1499 states have (on average 1.306204136090727) internal successors, (1958), 1511 states have internal predecessors, (1958), 283 states have call successors, (283), 22 states have call predecessors, (283), 22 states have return successors, (283), 271 states have call predecessors, (283), 283 states have call successors, (283) [2024-11-28 04:03:34,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2524 transitions. [2024-11-28 04:03:34,191 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2524 transitions. Word has length 162 [2024-11-28 04:03:34,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:34,192 INFO L471 AbstractCegarLoop]: Abstraction has 1805 states and 2524 transitions. [2024-11-28 04:03:34,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 04:03:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2524 transitions. [2024-11-28 04:03:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-28 04:03:34,194 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:34,194 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:34,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:03:34,195 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:34,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:34,195 INFO L85 PathProgramCache]: Analyzing trace with hash -2014323788, now seen corresponding path program 1 times [2024-11-28 04:03:34,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:34,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080583642] [2024-11-28 04:03:34,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:34,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:35,151 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:35,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:35,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080583642] [2024-11-28 04:03:35,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080583642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:35,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:35,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:03:35,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377021818] [2024-11-28 04:03:35,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:35,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:03:35,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:35,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:03:35,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:03:35,153 INFO L87 Difference]: Start difference. First operand 1805 states and 2524 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:03:35,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:35,867 INFO L93 Difference]: Finished difference Result 3836 states and 5371 transitions. [2024-11-28 04:03:35,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:03:35,868 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 163 [2024-11-28 04:03:35,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:35,881 INFO L225 Difference]: With dead ends: 3836 [2024-11-28 04:03:35,881 INFO L226 Difference]: Without dead ends: 2604 [2024-11-28 04:03:35,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:03:35,886 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 114 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:35,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 1700 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:03:35,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2604 states. [2024-11-28 04:03:36,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2604 to 2582. [2024-11-28 04:03:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2582 states, 2204 states have (on average 1.311705989110708) internal successors, (2891), 2224 states have internal predecessors, (2891), 347 states have call successors, (347), 30 states have call predecessors, (347), 30 states have return successors, (347), 327 states have call predecessors, (347), 347 states have call successors, (347) [2024-11-28 04:03:36,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2582 states and 3585 transitions. [2024-11-28 04:03:36,232 INFO L78 Accepts]: Start accepts. Automaton has 2582 states and 3585 transitions. Word has length 163 [2024-11-28 04:03:36,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:36,233 INFO L471 AbstractCegarLoop]: Abstraction has 2582 states and 3585 transitions. [2024-11-28 04:03:36,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:03:36,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 3585 transitions. [2024-11-28 04:03:36,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-28 04:03:36,238 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:36,238 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:36,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:03:36,239 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:36,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:36,239 INFO L85 PathProgramCache]: Analyzing trace with hash -258876517, now seen corresponding path program 1 times [2024-11-28 04:03:36,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:36,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261600699] [2024-11-28 04:03:36,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:36,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:37,608 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:37,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:37,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261600699] [2024-11-28 04:03:37,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261600699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:37,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:37,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 04:03:37,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096978284] [2024-11-28 04:03:37,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:37,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:03:37,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:37,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:03:37,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:03:37,610 INFO L87 Difference]: Start difference. First operand 2582 states and 3585 transitions. Second operand has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:39,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:39,156 INFO L93 Difference]: Finished difference Result 4540 states and 6324 transitions. [2024-11-28 04:03:39,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:03:39,157 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 163 [2024-11-28 04:03:39,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:39,173 INFO L225 Difference]: With dead ends: 4540 [2024-11-28 04:03:39,173 INFO L226 Difference]: Without dead ends: 3870 [2024-11-28 04:03:39,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:03:39,176 INFO L435 NwaCegarLoop]: 405 mSDtfsCounter, 290 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 2332 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:39,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 2332 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:03:39,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3870 states. [2024-11-28 04:03:39,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3870 to 3852. [2024-11-28 04:03:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3852 states, 3304 states have (on average 1.3141646489104115) internal successors, (4342), 3334 states have internal predecessors, (4342), 505 states have call successors, (505), 42 states have call predecessors, (505), 42 states have return successors, (505), 475 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-28 04:03:39,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3852 states and 5352 transitions. [2024-11-28 04:03:39,586 INFO L78 Accepts]: Start accepts. Automaton has 3852 states and 5352 transitions. Word has length 163 [2024-11-28 04:03:39,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:39,587 INFO L471 AbstractCegarLoop]: Abstraction has 3852 states and 5352 transitions. [2024-11-28 04:03:39,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:39,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 5352 transitions. [2024-11-28 04:03:39,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-28 04:03:39,590 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:39,590 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:39,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:03:39,591 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:39,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:39,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1664351517, now seen corresponding path program 1 times [2024-11-28 04:03:39,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:39,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526715656] [2024-11-28 04:03:39,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:39,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:39,883 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:39,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:39,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526715656] [2024-11-28 04:03:39,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526715656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:39,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:39,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:03:39,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718086003] [2024-11-28 04:03:39,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:39,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:03:39,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:39,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:03:39,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:03:39,889 INFO L87 Difference]: Start difference. First operand 3852 states and 5352 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:40,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:40,241 INFO L93 Difference]: Finished difference Result 5696 states and 7941 transitions. [2024-11-28 04:03:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:03:40,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 163 [2024-11-28 04:03:40,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:40,264 INFO L225 Difference]: With dead ends: 5696 [2024-11-28 04:03:40,264 INFO L226 Difference]: Without dead ends: 3780 [2024-11-28 04:03:40,269 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 04:03:40,269 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:40,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 473 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:03:40,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3780 states. [2024-11-28 04:03:40,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3780 to 3190. [2024-11-28 04:03:40,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3190 states, 2727 states have (on average 1.312064539787312) internal successors, (3578), 2752 states have internal predecessors, (3578), 426 states have call successors, (426), 36 states have call predecessors, (426), 36 states have return successors, (426), 401 states have call predecessors, (426), 426 states have call successors, (426) [2024-11-28 04:03:40,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 3190 states and 4430 transitions. [2024-11-28 04:03:40,586 INFO L78 Accepts]: Start accepts. Automaton has 3190 states and 4430 transitions. Word has length 163 [2024-11-28 04:03:40,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:40,587 INFO L471 AbstractCegarLoop]: Abstraction has 3190 states and 4430 transitions. [2024-11-28 04:03:40,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 3190 states and 4430 transitions. [2024-11-28 04:03:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-28 04:03:40,591 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:40,591 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:40,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:03:40,591 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:40,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:40,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1991691534, now seen corresponding path program 1 times [2024-11-28 04:03:40,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:40,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880070616] [2024-11-28 04:03:40,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:40,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-28 04:03:41,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:41,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880070616] [2024-11-28 04:03:41,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880070616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:03:41,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899967152] [2024-11-28 04:03:41,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:41,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:03:41,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:03:41,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:03:41,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:03:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:41,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 04:03:41,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:03:42,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 04:03:42,397 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:03:42,397 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 49 treesize of output 32 [2024-11-28 04:03:42,631 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:03:42,631 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 19 [2024-11-28 04:03:42,671 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 276 proven. 18 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-28 04:03:42,671 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:03:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 87 proven. 18 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-28 04:03:43,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899967152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:03:43,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:03:43,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 12] total 25 [2024-11-28 04:03:43,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298171789] [2024-11-28 04:03:43,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:03:43,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-28 04:03:43,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:43,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-28 04:03:43,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:03:43,454 INFO L87 Difference]: Start difference. First operand 3190 states and 4430 transitions. Second operand has 25 states, 21 states have (on average 6.809523809523809) internal successors, (143), 24 states have internal predecessors, (143), 9 states have call successors, (57), 4 states have call predecessors, (57), 8 states have return successors, (57), 6 states have call predecessors, (57), 9 states have call successors, (57) [2024-11-28 04:03:44,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:44,574 INFO L93 Difference]: Finished difference Result 5491 states and 7618 transitions. [2024-11-28 04:03:44,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 04:03:44,575 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 6.809523809523809) internal successors, (143), 24 states have internal predecessors, (143), 9 states have call successors, (57), 4 states have call predecessors, (57), 8 states have return successors, (57), 6 states have call predecessors, (57), 9 states have call successors, (57) Word has length 163 [2024-11-28 04:03:44,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:44,594 INFO L225 Difference]: With dead ends: 5491 [2024-11-28 04:03:44,595 INFO L226 Difference]: Without dead ends: 3141 [2024-11-28 04:03:44,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 309 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=256, Invalid=736, Unknown=0, NotChecked=0, Total=992 [2024-11-28 04:03:44,601 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 480 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 1446 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:44,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 1446 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:03:44,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3141 states. [2024-11-28 04:03:44,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3141 to 3105. [2024-11-28 04:03:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3105 states, 2635 states have (on average 1.30853889943074) internal successors, (3448), 2657 states have internal predecessors, (3448), 427 states have call successors, (427), 42 states have call predecessors, (427), 42 states have return successors, (427), 405 states have call predecessors, (427), 427 states have call successors, (427) [2024-11-28 04:03:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 3105 states and 4302 transitions. [2024-11-28 04:03:44,964 INFO L78 Accepts]: Start accepts. Automaton has 3105 states and 4302 transitions. Word has length 163 [2024-11-28 04:03:44,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:44,964 INFO L471 AbstractCegarLoop]: Abstraction has 3105 states and 4302 transitions. [2024-11-28 04:03:44,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 6.809523809523809) internal successors, (143), 24 states have internal predecessors, (143), 9 states have call successors, (57), 4 states have call predecessors, (57), 8 states have return successors, (57), 6 states have call predecessors, (57), 9 states have call successors, (57) [2024-11-28 04:03:44,965 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 4302 transitions. [2024-11-28 04:03:44,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 04:03:44,966 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:44,967 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:44,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:03:45,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:03:45,168 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:45,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:45,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1360022434, now seen corresponding path program 1 times [2024-11-28 04:03:45,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:45,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468470310] [2024-11-28 04:03:45,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:45,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:45,944 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:45,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:45,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468470310] [2024-11-28 04:03:45,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468470310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:45,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:45,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 04:03:45,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973966268] [2024-11-28 04:03:45,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:45,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:03:45,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:45,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:03:45,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:03:45,947 INFO L87 Difference]: Start difference. First operand 3105 states and 4302 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:47,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:47,199 INFO L93 Difference]: Finished difference Result 5213 states and 7194 transitions. [2024-11-28 04:03:47,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:03:47,199 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-11-28 04:03:47,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:47,215 INFO L225 Difference]: With dead ends: 5213 [2024-11-28 04:03:47,215 INFO L226 Difference]: Without dead ends: 4345 [2024-11-28 04:03:47,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:03:47,218 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 418 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1926 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:47,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1926 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:03:47,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4345 states. [2024-11-28 04:03:47,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4345 to 3977. [2024-11-28 04:03:47,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3977 states, 3385 states have (on average 1.3069423929098967) internal successors, (4424), 3413 states have internal predecessors, (4424), 539 states have call successors, (539), 52 states have call predecessors, (539), 52 states have return successors, (539), 511 states have call predecessors, (539), 539 states have call successors, (539) [2024-11-28 04:03:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3977 states to 3977 states and 5502 transitions. [2024-11-28 04:03:47,728 INFO L78 Accepts]: Start accepts. Automaton has 3977 states and 5502 transitions. Word has length 164 [2024-11-28 04:03:47,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:47,728 INFO L471 AbstractCegarLoop]: Abstraction has 3977 states and 5502 transitions. [2024-11-28 04:03:47,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3977 states and 5502 transitions. [2024-11-28 04:03:47,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 04:03:47,731 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:47,732 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:47,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 04:03:47,732 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:47,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:47,733 INFO L85 PathProgramCache]: Analyzing trace with hash -2037848926, now seen corresponding path program 1 times [2024-11-28 04:03:47,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:47,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797655135] [2024-11-28 04:03:47,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:47,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:48,572 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:48,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:48,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797655135] [2024-11-28 04:03:48,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797655135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:48,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:48,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 04:03:48,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65461381] [2024-11-28 04:03:48,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:48,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:03:48,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:48,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:03:48,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:03:48,574 INFO L87 Difference]: Start difference. First operand 3977 states and 5502 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:49,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:49,952 INFO L93 Difference]: Finished difference Result 6005 states and 8290 transitions. [2024-11-28 04:03:49,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:03:49,953 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-11-28 04:03:49,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:49,968 INFO L225 Difference]: With dead ends: 6005 [2024-11-28 04:03:49,968 INFO L226 Difference]: Without dead ends: 4327 [2024-11-28 04:03:49,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:03:49,972 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 475 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:49,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 1863 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:03:49,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4327 states. [2024-11-28 04:03:50,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4327 to 3959. [2024-11-28 04:03:50,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3959 states, 3367 states have (on average 1.305019305019305) internal successors, (4394), 3395 states have internal predecessors, (4394), 539 states have call successors, (539), 52 states have call predecessors, (539), 52 states have return successors, (539), 511 states have call predecessors, (539), 539 states have call successors, (539) [2024-11-28 04:03:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 3959 states and 5472 transitions. [2024-11-28 04:03:50,442 INFO L78 Accepts]: Start accepts. Automaton has 3959 states and 5472 transitions. Word has length 164 [2024-11-28 04:03:50,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:50,443 INFO L471 AbstractCegarLoop]: Abstraction has 3959 states and 5472 transitions. [2024-11-28 04:03:50,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:50,443 INFO L276 IsEmpty]: Start isEmpty. Operand 3959 states and 5472 transitions. [2024-11-28 04:03:50,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 04:03:50,446 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:50,446 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:50,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 04:03:50,446 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:50,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:50,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1494035940, now seen corresponding path program 1 times [2024-11-28 04:03:50,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:50,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299423113] [2024-11-28 04:03:50,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:50,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:51,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:51,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299423113] [2024-11-28 04:03:51,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299423113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:51,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:51,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:03:51,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035490062] [2024-11-28 04:03:51,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:51,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:03:51,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:51,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:03:51,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:03:51,243 INFO L87 Difference]: Start difference. First operand 3959 states and 5472 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:52,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:52,062 INFO L93 Difference]: Finished difference Result 6209 states and 8617 transitions. [2024-11-28 04:03:52,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:03:52,064 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-11-28 04:03:52,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:52,081 INFO L225 Difference]: With dead ends: 6209 [2024-11-28 04:03:52,081 INFO L226 Difference]: Without dead ends: 4705 [2024-11-28 04:03:52,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:03:52,086 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 151 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:52,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1389 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:03:52,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4705 states. [2024-11-28 04:03:52,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4705 to 3974. [2024-11-28 04:03:52,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3974 states, 3382 states have (on average 1.3027794204612655) internal successors, (4406), 3410 states have internal predecessors, (4406), 539 states have call successors, (539), 52 states have call predecessors, (539), 52 states have return successors, (539), 511 states have call predecessors, (539), 539 states have call successors, (539) [2024-11-28 04:03:52,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3974 states to 3974 states and 5484 transitions. [2024-11-28 04:03:52,545 INFO L78 Accepts]: Start accepts. Automaton has 3974 states and 5484 transitions. Word has length 164 [2024-11-28 04:03:52,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:52,545 INFO L471 AbstractCegarLoop]: Abstraction has 3974 states and 5484 transitions. [2024-11-28 04:03:52,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:52,545 INFO L276 IsEmpty]: Start isEmpty. Operand 3974 states and 5484 transitions. [2024-11-28 04:03:52,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 04:03:52,547 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:52,547 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:52,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 04:03:52,548 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:52,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:52,548 INFO L85 PathProgramCache]: Analyzing trace with hash -482918690, now seen corresponding path program 1 times [2024-11-28 04:03:52,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:52,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382721997] [2024-11-28 04:03:52,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:52,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:52,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:52,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382721997] [2024-11-28 04:03:52,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382721997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:52,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:52,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:03:52,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734080053] [2024-11-28 04:03:52,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:52,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:03:52,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:52,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:03:52,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:03:52,974 INFO L87 Difference]: Start difference. First operand 3974 states and 5484 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:53,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:53,478 INFO L93 Difference]: Finished difference Result 6677 states and 9239 transitions. [2024-11-28 04:03:53,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:03:53,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-11-28 04:03:53,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:53,499 INFO L225 Difference]: With dead ends: 6677 [2024-11-28 04:03:53,499 INFO L226 Difference]: Without dead ends: 5166 [2024-11-28 04:03:53,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:03:53,505 INFO L435 NwaCegarLoop]: 315 mSDtfsCounter, 161 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:53,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1383 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:03:53,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2024-11-28 04:03:54,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 4299. [2024-11-28 04:03:54,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4299 states, 3663 states have (on average 1.3052143052143053) internal successors, (4781), 3693 states have internal predecessors, (4781), 580 states have call successors, (580), 55 states have call predecessors, (580), 55 states have return successors, (580), 550 states have call predecessors, (580), 580 states have call successors, (580) [2024-11-28 04:03:54,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 5941 transitions. [2024-11-28 04:03:54,110 INFO L78 Accepts]: Start accepts. Automaton has 4299 states and 5941 transitions. Word has length 164 [2024-11-28 04:03:54,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:54,111 INFO L471 AbstractCegarLoop]: Abstraction has 4299 states and 5941 transitions. [2024-11-28 04:03:54,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:54,111 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 5941 transitions. [2024-11-28 04:03:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 04:03:54,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:54,113 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:54,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 04:03:54,114 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:54,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:54,115 INFO L85 PathProgramCache]: Analyzing trace with hash 2123104864, now seen corresponding path program 1 times [2024-11-28 04:03:54,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:54,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586952136] [2024-11-28 04:03:54,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:54,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:55,428 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:55,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:55,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586952136] [2024-11-28 04:03:55,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586952136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:55,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:55,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:03:55,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168795204] [2024-11-28 04:03:55,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:55,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:03:55,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:55,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:03:55,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:03:55,431 INFO L87 Difference]: Start difference. First operand 4299 states and 5941 transitions. Second operand has 13 states, 12 states have (on average 6.0) internal successors, (72), 13 states have internal predecessors, (72), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:03:56,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:56,841 INFO L93 Difference]: Finished difference Result 5865 states and 8097 transitions. [2024-11-28 04:03:56,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:03:56,842 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.0) internal successors, (72), 13 states have internal predecessors, (72), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 164 [2024-11-28 04:03:56,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:56,858 INFO L225 Difference]: With dead ends: 5865 [2024-11-28 04:03:56,858 INFO L226 Difference]: Without dead ends: 5011 [2024-11-28 04:03:56,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:03:56,862 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 399 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 1780 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:56,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 1780 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:03:56,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5011 states. [2024-11-28 04:03:57,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5011 to 4487. [2024-11-28 04:03:57,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 3809 states have (on average 1.3034917301128905) internal successors, (4965), 3841 states have internal predecessors, (4965), 618 states have call successors, (618), 59 states have call predecessors, (618), 59 states have return successors, (618), 586 states have call predecessors, (618), 618 states have call successors, (618) [2024-11-28 04:03:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6201 transitions. [2024-11-28 04:03:57,351 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6201 transitions. Word has length 164 [2024-11-28 04:03:57,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:57,351 INFO L471 AbstractCegarLoop]: Abstraction has 4487 states and 6201 transitions. [2024-11-28 04:03:57,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.0) internal successors, (72), 13 states have internal predecessors, (72), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:03:57,352 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6201 transitions. [2024-11-28 04:03:57,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 04:03:57,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:57,353 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:57,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 04:03:57,354 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:57,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:57,354 INFO L85 PathProgramCache]: Analyzing trace with hash -2031266341, now seen corresponding path program 1 times [2024-11-28 04:03:57,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:57,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048463448] [2024-11-28 04:03:57,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:57,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:57,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:57,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048463448] [2024-11-28 04:03:57,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048463448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:57,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:57,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:03:57,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559716691] [2024-11-28 04:03:57,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:57,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:03:57,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:57,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:03:57,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:03:57,442 INFO L87 Difference]: Start difference. First operand 4487 states and 6201 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:57,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:57,850 INFO L93 Difference]: Finished difference Result 10228 states and 14089 transitions. [2024-11-28 04:03:57,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:03:57,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-11-28 04:03:57,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:57,877 INFO L225 Difference]: With dead ends: 10228 [2024-11-28 04:03:57,877 INFO L226 Difference]: Without dead ends: 6119 [2024-11-28 04:03:57,886 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 04:03:57,887 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 39 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:57,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 329 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:03:57,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6119 states. [2024-11-28 04:03:58,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6119 to 5522. [2024-11-28 04:03:58,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5522 states, 4844 states have (on average 1.287159372419488) internal successors, (6235), 4876 states have internal predecessors, (6235), 618 states have call successors, (618), 59 states have call predecessors, (618), 59 states have return successors, (618), 586 states have call predecessors, (618), 618 states have call successors, (618) [2024-11-28 04:03:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5522 states to 5522 states and 7471 transitions. [2024-11-28 04:03:58,401 INFO L78 Accepts]: Start accepts. Automaton has 5522 states and 7471 transitions. Word has length 164 [2024-11-28 04:03:58,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:58,402 INFO L471 AbstractCegarLoop]: Abstraction has 5522 states and 7471 transitions. [2024-11-28 04:03:58,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:58,402 INFO L276 IsEmpty]: Start isEmpty. Operand 5522 states and 7471 transitions. [2024-11-28 04:03:58,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 04:03:58,404 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:58,404 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:58,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 04:03:58,405 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:58,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:58,405 INFO L85 PathProgramCache]: Analyzing trace with hash -807307064, now seen corresponding path program 1 times [2024-11-28 04:03:58,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:58,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422586883] [2024-11-28 04:03:58,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:58,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-28 04:03:58,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:58,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422586883] [2024-11-28 04:03:58,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422586883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:03:58,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011660501] [2024-11-28 04:03:58,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:58,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:03:58,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:03:58,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:03:58,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:03:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:58,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:03:58,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:03:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:03:58,944 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:03:58,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011660501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:58,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:03:58,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-28 04:03:58,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268176962] [2024-11-28 04:03:58,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:58,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:03:58,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:58,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:03:58,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:03:58,946 INFO L87 Difference]: Start difference. First operand 5522 states and 7471 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:59,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:59,220 INFO L93 Difference]: Finished difference Result 10417 states and 14188 transitions. [2024-11-28 04:03:59,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:03:59,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-11-28 04:03:59,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:59,241 INFO L225 Difference]: With dead ends: 10417 [2024-11-28 04:03:59,241 INFO L226 Difference]: Without dead ends: 5645 [2024-11-28 04:03:59,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 165 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 04:03:59,251 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:59,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 648 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:03:59,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5645 states. [2024-11-28 04:03:59,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5645 to 5645. [2024-11-28 04:03:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5645 states, 4967 states have (on average 1.2800483189047716) internal successors, (6358), 4999 states have internal predecessors, (6358), 618 states have call successors, (618), 59 states have call predecessors, (618), 59 states have return successors, (618), 586 states have call predecessors, (618), 618 states have call successors, (618) [2024-11-28 04:03:59,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5645 states to 5645 states and 7594 transitions. [2024-11-28 04:03:59,899 INFO L78 Accepts]: Start accepts. Automaton has 5645 states and 7594 transitions. Word has length 164 [2024-11-28 04:03:59,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:59,899 INFO L471 AbstractCegarLoop]: Abstraction has 5645 states and 7594 transitions. [2024-11-28 04:03:59,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:03:59,899 INFO L276 IsEmpty]: Start isEmpty. Operand 5645 states and 7594 transitions. [2024-11-28 04:03:59,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 04:03:59,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:59,904 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:59,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:04:00,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-28 04:04:00,106 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:00,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:00,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1584877911, now seen corresponding path program 1 times [2024-11-28 04:04:00,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:04:00,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108083841] [2024-11-28 04:04:00,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:00,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:04:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:04:00,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1050291859] [2024-11-28 04:04:00,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:00,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:04:00,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:04:00,257 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:04:00,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:04:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:04:00,820 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:04:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:04:01,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:04:01,244 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:04:01,245 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:04:01,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 04:04:01,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-28 04:04:01,451 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] [2024-11-28 04:04:01,604 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:04:01,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:04:01 BoogieIcfgContainer [2024-11-28 04:04:01,611 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:04:01,612 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:04:01,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:04:01,615 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:04:01,616 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:02:45" (3/4) ... [2024-11-28 04:04:01,618 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:04:01,619 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:04:01,620 INFO L158 Benchmark]: Toolchain (without parser) took 77654.09ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 117.9MB in the beginning and 787.3MB in the end (delta: -669.4MB). Peak memory consumption was 339.5MB. Max. memory is 16.1GB. [2024-11-28 04:04:01,620 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:04:01,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.07ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 102.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:04:01,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.56ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 98.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:04:01,621 INFO L158 Benchmark]: Boogie Preprocessor took 73.23ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 93.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:04:01,621 INFO L158 Benchmark]: RCFGBuilder took 984.70ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 109.2MB in the end (delta: -15.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-11-28 04:04:01,621 INFO L158 Benchmark]: TraceAbstraction took 76078.75ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 108.6MB in the beginning and 787.4MB in the end (delta: -678.9MB). Peak memory consumption was 324.5MB. Max. memory is 16.1GB. [2024-11-28 04:04:01,622 INFO L158 Benchmark]: Witness Printer took 7.94ms. Allocated memory is still 1.1GB. Free memory was 787.4MB in the beginning and 787.3MB in the end (delta: 115.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:04:01,623 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.07ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 102.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.56ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 98.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.23ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 93.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 984.70ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 109.2MB in the end (delta: -15.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * TraceAbstraction took 76078.75ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 108.6MB in the beginning and 787.4MB in the end (delta: -678.9MB). Peak memory consumption was 324.5MB. Max. memory is 16.1GB. * Witness Printer took 7.94ms. Allocated memory is still 1.1GB. Free memory was 787.4MB in the beginning and 787.3MB in the end (delta: 115.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 105. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L37] unsigned char last_1_BOOL_unsigned_char_Array_0_2_ = 0; [L38] signed long int last_1_signed_long_int_Array_0_2_ = -32; [L39] unsigned long int last_1_unsigned_long_int_Array_0_0_ = 50; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=0, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L109] isInitial = 1 [L110] FCALL initially() [L112] CALL updateLastVariables() [L100] EXPR BOOL_unsigned_char_Array_0[2] [L100] last_1_BOOL_unsigned_char_Array_0_2_ = BOOL_unsigned_char_Array_0[2] [L101] EXPR signed_long_int_Array_0[2] [L101] last_1_signed_long_int_Array_0_2_ = signed_long_int_Array_0[2] [L102] EXPR unsigned_long_int_Array_0[0] [L102] last_1_unsigned_long_int_Array_0_0_ = unsigned_long_int_Array_0[0] [L112] RET updateLastVariables() [L113] CALL updateVariables() [L68] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] 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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] 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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] 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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] 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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] double_Array_0[0][0] = __VERIFIER_nondet_double() [L75] EXPR double_Array_0[0][0] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F [L75] EXPR double_Array_0[0][0] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] RET assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] double_Array_0[1][0] = __VERIFIER_nondet_double() [L77] EXPR double_Array_0[1][0] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F [L77] EXPR double_Array_0[1][0] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not((double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] RET assume_abort_if_not((double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] double_Array_0[0][1] = __VERIFIER_nondet_double() [L79] EXPR double_Array_0[0][1] [L79] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F [L79] EXPR double_Array_0[0][1] [L79] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] RET assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] double_Array_0[1][1] = __VERIFIER_nondet_double() [L81] EXPR double_Array_0[1][1] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F [L81] EXPR double_Array_0[1][1] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR (double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR (double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not((double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] RET assume_abort_if_not((double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L83] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] RET assume_abort_if_not(signed_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 16) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 16) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] signed_long_int_Array_0[1] = __VERIFIER_nondet_long() [L86] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] CALL assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] RET assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] CALL assume_abort_if_not(signed_long_int_Array_0[1] <= 17) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] RET assume_abort_if_not(signed_long_int_Array_0[1] <= 17) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L88] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L89] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L89] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L89] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L91] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L92] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] 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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] 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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L94] unsigned_short_int_Array_0[2] = __VERIFIER_nondet_ushort() [L95] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L95] RET assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] RET assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] RET assume_abort_if_not(unsigned_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L113] RET updateVariables() [L114] CALL step() [L43] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L43] COND TRUE (unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_ [L44] EXPR double_Array_0[1][0] [L44] EXPR double_Array_0[0][1] [L44] EXPR double_Array_0[1][1] [L44] EXPR double_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L44] COND FALSE !(((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) [L50] EXPR unsigned_short_int_Array_0[0] [L50] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L50] COND TRUE unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] EXPR ((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]) [L51] EXPR unsigned_short_int_Array_0[1] [L51] EXPR ((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] EXPR unsigned_short_int_Array_0[1] [L51] signed_long_int_Array_0[2] = (((((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[1]) [L53] COND FALSE !(\read(last_1_BOOL_unsigned_char_Array_0_2_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L56] EXPR unsigned_long_int_Array_0[1] [L56] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L56] EXPR ((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])) [L56] EXPR ((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L56] unsigned_long_int_Array_0[0] = ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))) [L57] EXPR unsigned_long_int_Array_0[0] [L57] unsigned long int stepLocal_1 = unsigned_long_int_Array_0[0]; [L58] EXPR unsigned_long_int_Array_0[0] [L58] unsigned long int stepLocal_0 = unsigned_long_int_Array_0[0]; [L59] EXPR signed_long_int_Array_0[2] [L59] EXPR signed_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) [L59] EXPR signed_long_int_Array_0[2] [L59] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, stepLocal_0=50, stepLocal_1=50, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] COND FALSE !((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > stepLocal_1) [L114] RET step() [L115] CALL, EXPR property() [L105] EXPR signed_long_int_Array_0[2] [L105] EXPR signed_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) [L105] EXPR signed_long_int_Array_0[2] [L105] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR unsigned_short_int_Array_0[2] [L105] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1 [L105] EXPR ((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) [L105] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) [L105] EXPR double_Array_0[1][0] [L105] EXPR double_Array_0[0][1] [L105] EXPR double_Array_0[1][1] [L105] EXPR double_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1 [L105] EXPR unsigned_short_int_Array_0[1] [L105] EXPR unsigned_short_int_Array_0[0] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR (((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long 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[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long 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[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long 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[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long 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[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105-L106] return ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long 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[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) ; [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 122 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 75.8s, OverallIterations: 27, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 34.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5310 SdHoareTripleChecker+Valid, 18.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5259 mSDsluCounter, 28501 SdHoareTripleChecker+Invalid, 16.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23229 mSDsCounter, 1093 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9399 IncrementalHoareTripleChecker+Invalid, 10492 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1093 mSolverCounterUnsat, 5272 mSDtfsCounter, 9399 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1346 GetRequests, 1049 SyntacticMatches, 2 SemanticMatches, 295 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 916 ImplicationChecksByTransitivity, 14.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5645occurred in iteration=26, InterpolantAutomatonStates: 248, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.1s AutomataMinimizationTime, 26 MinimizatonAttempts, 4770 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 27.1s InterpolantComputationTime, 5337 NumberOfCodeBlocks, 5337 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 5138 ConstructedInterpolants, 0 QuantifiedInterpolants, 21267 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2652 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 32 InterpolantComputations, 25 PerfectInterpolantSequences, 21786/21888 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 04:04:01,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/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_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/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_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/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_9ea7949d-65fa-401b-bfc6-98b5adff1514/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 fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:04:04,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:04:04,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:04:04,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:04:04,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:04:04,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:04:04,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:04:04,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:04:04,368 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:04:04,368 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:04:04,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:04:04,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:04:04,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:04:04,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:04:04,372 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:04:04,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:04:04,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:04:04,374 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:04:04,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:04:04,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:04:04,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:04:04,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:04:04,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:04:04,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:04:04,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:04:04,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:04:04,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:04:04,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:04:04,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:04:04,381 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:04:04,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:04:04,381 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:04:04,381 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:04:04,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:04:04,382 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:04:04,382 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:04:04,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:04:04,382 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_9ea7949d-65fa-401b-bfc6-98b5adff1514/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 -> fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c [2024-11-28 04:04:04,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:04:04,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:04:04,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:04:04,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:04:04,738 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:04:04,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2024-11-28 04:04:07,887 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/data/aa886c592/4d8701f8c6a5458e8217f3ee9257f244/FLAG7d4b743dd [2024-11-28 04:04:08,210 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:04:08,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2024-11-28 04:04:08,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/data/aa886c592/4d8701f8c6a5458e8217f3ee9257f244/FLAG7d4b743dd [2024-11-28 04:04:08,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/data/aa886c592/4d8701f8c6a5458e8217f3ee9257f244 [2024-11-28 04:04:08,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:04:08,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:04:08,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:04:08,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:04:08,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:04:08,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2cac27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08, skipping insertion in model container [2024-11-28 04:04:08,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,295 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:04:08,433 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_9ea7949d-65fa-401b-bfc6-98b5adff1514/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-11-28 04:04:08,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:04:08,518 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:04:08,531 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_9ea7949d-65fa-401b-bfc6-98b5adff1514/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-11-28 04:04:08,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:04:08,660 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:04:08,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08 WrapperNode [2024-11-28 04:04:08,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:04:08,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:04:08,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:04:08,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:04:08,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,762 INFO L138 Inliner]: procedures = 36, calls = 170, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 514 [2024-11-28 04:04:08,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:04:08,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:04:08,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:04:08,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:04:08,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,785 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,826 INFO L175 MemorySlicer]: Split 135 memory accesses to 6 slices as follows [2, 16, 32, 28, 21, 36]. 27 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 3, 4, 3, 3, 3]. The 18 writes are split as follows [0, 3, 4, 3, 4, 4]. [2024-11-28 04:04:08,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,854 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:04:08,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:04:08,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:04:08,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:04:08,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (1/1) ... [2024-11-28 04:04:08,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:04:08,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:04:08,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:04:08,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:04:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:04:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 04:04:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 04:04:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 04:04:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 04:04:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 04:04:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 04:04:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 04:04:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 04:04:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 04:04:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 04:04:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 04:04:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 04:04:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 04:04:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 04:04:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 04:04:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 04:04:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 04:04:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-28 04:04:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-28 04:04:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-28 04:04:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-28 04:04:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-28 04:04:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-28 04:04:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-28 04:04:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:04:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 04:04:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 04:04:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 04:04:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 04:04:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 04:04:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 04:04:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 04:04:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 04:04:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 04:04:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-28 04:04:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-28 04:04:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 04:04:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 04:04:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 04:04:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 04:04:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 04:04:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 04:04:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 04:04:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 04:04:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 04:04:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 04:04:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 04:04:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 04:04:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-28 04:04:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-28 04:04:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-28 04:04:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-28 04:04:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-28 04:04:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-28 04:04:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:04:08,965 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:04:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:04:08,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:04:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 04:04:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 04:04:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 04:04:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 04:04:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 04:04:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-28 04:04:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-28 04:04:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-28 04:04:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-28 04:04:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-28 04:04:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-28 04:04:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-28 04:04:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 04:04:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 04:04:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 04:04:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 04:04:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 04:04:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 04:04:09,204 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:04:09,206 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:04:14,038 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-28 04:04:14,038 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:04:14,049 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:04:14,050 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:04:14,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:04:14 BoogieIcfgContainer [2024-11-28 04:04:14,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:04:14,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:04:14,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:04:14,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:04:14,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:04:08" (1/3) ... [2024-11-28 04:04:14,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3189f601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:04:14, skipping insertion in model container [2024-11-28 04:04:14,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:08" (2/3) ... [2024-11-28 04:04:14,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3189f601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:04:14, skipping insertion in model container [2024-11-28 04:04:14,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:04:14" (3/3) ... [2024-11-28 04:04:14,060 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-6.i [2024-11-28 04:04:14,075 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:04:14,076 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-6.i that has 2 procedures, 122 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:04:14,141 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:04:14,153 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;@219f96cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:04:14,153 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:04:14,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:04:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 04:04:14,170 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:14,171 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:14,172 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:14,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:14,177 INFO L85 PathProgramCache]: Analyzing trace with hash -607756942, now seen corresponding path program 1 times [2024-11-28 04:04:14,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:04:14,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598559169] [2024-11-28 04:04:14,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:14,189 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 04:04:14,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:04:14,193 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:14,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:14,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:04:14,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-28 04:04:14,803 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:04:14,803 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:04:14,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598559169] [2024-11-28 04:04:14,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598559169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:14,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:14,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:04:14,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62958873] [2024-11-28 04:04:14,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:14,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:04:14,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:04:14,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:04:14,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:04:14,832 INFO L87 Difference]: Start difference. First operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:04:14,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:14,866 INFO L93 Difference]: Finished difference Result 237 states and 371 transitions. [2024-11-28 04:04:14,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:04:14,868 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-11-28 04:04:14,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:14,878 INFO L225 Difference]: With dead ends: 237 [2024-11-28 04:04:14,879 INFO L226 Difference]: Without dead ends: 118 [2024-11-28 04:04:14,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 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 04:04:14,884 INFO L435 NwaCegarLoop]: 172 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, 172 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 04:04:14,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:04:14,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-28 04:04:14,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-28 04:04:14,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 97 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:04:14,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-11-28 04:04:14,931 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 158 [2024-11-28 04:04:14,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:14,931 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-11-28 04:04:14,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:04:14,932 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-11-28 04:04:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 04:04:14,938 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:14,938 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:14,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 04:04:15,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:15,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:15,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:15,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1715716112, now seen corresponding path program 1 times [2024-11-28 04:04:15,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:04:15,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190052869] [2024-11-28 04:04:15,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:15,142 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 04:04:15,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:04:15,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:15,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:15,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:04:15,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:15,764 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-28 04:04:15,764 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:04:15,764 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:04:15,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190052869] [2024-11-28 04:04:15,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190052869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:15,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:15,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:04:15,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270681884] [2024-11-28 04:04:15,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:15,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:04:15,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:04:15,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:04:15,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:04:15,773 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:04:15,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:15,910 INFO L93 Difference]: Finished difference Result 235 states and 344 transitions. [2024-11-28 04:04:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:04:15,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-11-28 04:04:15,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:15,913 INFO L225 Difference]: With dead ends: 235 [2024-11-28 04:04:15,913 INFO L226 Difference]: Without dead ends: 120 [2024-11-28 04:04:15,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 155 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 04:04:15,918 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:15,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 499 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:04:15,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-28 04:04:15,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-28 04:04:15,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:04:15,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-28 04:04:15,939 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 158 [2024-11-28 04:04:15,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:15,940 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-28 04:04:15,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:04:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-28 04:04:15,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 04:04:15,944 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:15,944 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:15,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:04:16,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:16,145 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:16,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:16,146 INFO L85 PathProgramCache]: Analyzing trace with hash -931888242, now seen corresponding path program 1 times [2024-11-28 04:04:16,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:04:16,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920435158] [2024-11-28 04:04:16,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:16,147 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 04:04:16,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:04:16,151 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:16,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:16,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:04:16,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:04:16,672 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:04:16,672 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:04:16,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920435158] [2024-11-28 04:04:16,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920435158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:16,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:16,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:04:16,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451005657] [2024-11-28 04:04:16,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:16,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:04:16,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:04:16,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:04:16,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:04:16,675 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:04:16,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:16,764 INFO L93 Difference]: Finished difference Result 239 states and 348 transitions. [2024-11-28 04:04:16,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:04:16,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-11-28 04:04:16,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:16,768 INFO L225 Difference]: With dead ends: 239 [2024-11-28 04:04:16,771 INFO L226 Difference]: Without dead ends: 122 [2024-11-28 04:04:16,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 155 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 04:04:16,773 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:16,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 499 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:04:16,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-28 04:04:16,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-28 04:04:16,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:04:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 176 transitions. [2024-11-28 04:04:16,793 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 176 transitions. Word has length 158 [2024-11-28 04:04:16,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:16,794 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 176 transitions. [2024-11-28 04:04:16,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:04:16,794 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 176 transitions. [2024-11-28 04:04:16,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 04:04:16,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:16,797 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:16,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:16,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:16,998 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:16,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:16,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1353304512, now seen corresponding path program 1 times [2024-11-28 04:04:17,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:04:17,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16815758] [2024-11-28 04:04:17,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:17,000 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 04:04:17,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:04:17,002 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:17,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:17,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:04:17,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:17,828 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:04:17,829 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 175 treesize of output 67 [2024-11-28 04:04:17,893 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-28 04:04:17,893 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:04:17,893 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:04:17,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16815758] [2024-11-28 04:04:17,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [16815758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:17,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:17,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:04:17,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014698374] [2024-11-28 04:04:17,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:17,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:04:17,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:04:17,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:04:17,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:04:17,896 INFO L87 Difference]: Start difference. First operand 122 states and 176 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:04:20,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:22,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:23,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:23,571 INFO L93 Difference]: Finished difference Result 242 states and 350 transitions. [2024-11-28 04:04:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:04:23,582 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 160 [2024-11-28 04:04:23,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:23,584 INFO L225 Difference]: With dead ends: 242 [2024-11-28 04:04:23,584 INFO L226 Difference]: Without dead ends: 123 [2024-11-28 04:04:23,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:04:23,586 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 145 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:23,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 548 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-11-28 04:04:23,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-28 04:04:23,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2024-11-28 04:04:23,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:04:23,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 175 transitions. [2024-11-28 04:04:23,599 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 175 transitions. Word has length 160 [2024-11-28 04:04:23,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:23,600 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 175 transitions. [2024-11-28 04:04:23,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:04:23,600 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 175 transitions. [2024-11-28 04:04:23,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-28 04:04:23,603 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:23,603 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:23,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:23,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:23,804 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:23,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:23,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1924005690, now seen corresponding path program 1 times [2024-11-28 04:04:23,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:04:23,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505910106] [2024-11-28 04:04:23,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:23,805 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 04:04:23,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:04:23,807 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:23,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:24,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:04:24,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:24,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:04:24,562 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 173 treesize of output 65 [2024-11-28 04:04:24,617 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-28 04:04:24,617 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:04:24,618 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:04:24,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [505910106] [2024-11-28 04:04:24,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [505910106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:24,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:24,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:04:24,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989346077] [2024-11-28 04:04:24,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:24,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:04:24,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:04:24,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:04:24,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:04:24,619 INFO L87 Difference]: Start difference. First operand 122 states and 175 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:04:26,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:28,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:28,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:28,933 INFO L93 Difference]: Finished difference Result 241 states and 347 transitions. [2024-11-28 04:04:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:04:28,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 162 [2024-11-28 04:04:28,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:28,947 INFO L225 Difference]: With dead ends: 241 [2024-11-28 04:04:28,947 INFO L226 Difference]: Without dead ends: 122 [2024-11-28 04:04:28,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:04:28,948 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 138 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:28,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 544 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 04:04:28,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-28 04:04:28,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2024-11-28 04:04:28,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:04:28,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2024-11-28 04:04:28,959 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 162 [2024-11-28 04:04:28,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:28,959 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2024-11-28 04:04:28,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:04:28,959 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-11-28 04:04:28,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 04:04:28,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:28,962 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:28,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:29,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:29,163 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:29,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:29,163 INFO L85 PathProgramCache]: Analyzing trace with hash 32113154, now seen corresponding path program 1 times [2024-11-28 04:04:29,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:04:29,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735306484] [2024-11-28 04:04:29,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:29,164 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 04:04:29,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:04:29,166 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:29,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:29,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:04:29,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:29,974 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:04:29,974 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 172 treesize of output 64 [2024-11-28 04:04:30,108 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 336 proven. 24 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-28 04:04:30,108 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:04:30,531 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:04:30,531 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 110 treesize of output 1 [2024-11-28 04:04:30,579 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 18 proven. 36 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-28 04:04:30,579 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:04:30,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735306484] [2024-11-28 04:04:30,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735306484] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:04:30,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:04:30,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-28 04:04:30,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850662558] [2024-11-28 04:04:30,579 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:04:30,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:04:30,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:04:30,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:04:30,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:04:30,581 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2024-11-28 04:04:35,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:37,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:37,382 INFO L93 Difference]: Finished difference Result 250 states and 356 transitions. [2024-11-28 04:04:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:04:37,393 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) Word has length 164 [2024-11-28 04:04:37,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:37,394 INFO L225 Difference]: With dead ends: 250 [2024-11-28 04:04:37,394 INFO L226 Difference]: Without dead ends: 122 [2024-11-28 04:04:37,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:04:37,395 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 133 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:37,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1125 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-28 04:04:37,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-28 04:04:37,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2024-11-28 04:04:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3333333333333333) internal successors, (132), 99 states have internal predecessors, (132), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:04:37,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 170 transitions. [2024-11-28 04:04:37,412 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 170 transitions. Word has length 164 [2024-11-28 04:04:37,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:37,413 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 170 transitions. [2024-11-28 04:04:37,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2024-11-28 04:04:37,413 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 170 transitions. [2024-11-28 04:04:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 04:04:37,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:37,419 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:37,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:37,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:37,620 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:37,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:37,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1896819072, now seen corresponding path program 1 times [2024-11-28 04:04:37,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:04:37,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [700324198] [2024-11-28 04:04:37,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:37,621 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 04:04:37,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:04:37,622 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:37,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:38,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:04:38,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:38,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:04:38,335 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 173 treesize of output 65 [2024-11-28 04:04:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-28 04:04:38,374 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:04:38,374 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:04:38,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [700324198] [2024-11-28 04:04:38,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [700324198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:38,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:38,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:04:38,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834865987] [2024-11-28 04:04:38,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:38,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:04:38,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:04:38,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:04:38,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:04:38,376 INFO L87 Difference]: Start difference. First operand 120 states and 170 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:04:40,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:42,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:42,620 INFO L93 Difference]: Finished difference Result 238 states and 338 transitions. [2024-11-28 04:04:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:04:42,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 164 [2024-11-28 04:04:42,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:42,636 INFO L225 Difference]: With dead ends: 238 [2024-11-28 04:04:42,636 INFO L226 Difference]: Without dead ends: 121 [2024-11-28 04:04:42,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:04:42,640 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 126 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:42,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 529 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 04:04:42,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-28 04:04:42,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-28 04:04:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3232323232323233) internal successors, (131), 99 states have internal predecessors, (131), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:04:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2024-11-28 04:04:42,649 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 164 [2024-11-28 04:04:42,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:42,649 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2024-11-28 04:04:42,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:04:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2024-11-28 04:04:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 04:04:42,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:42,651 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:42,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:42,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:42,851 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:42,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:42,852 INFO L85 PathProgramCache]: Analyzing trace with hash -92829190, now seen corresponding path program 1 times [2024-11-28 04:04:42,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:04:42,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374276466] [2024-11-28 04:04:42,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:42,852 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 04:04:42,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:04:42,854 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:42,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:43,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:04:43,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:43,378 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 7 [2024-11-28 04:04:43,395 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:04:43,396 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:04:43,396 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:04:43,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374276466] [2024-11-28 04:04:43,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1374276466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:43,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:43,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:04:43,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732994990] [2024-11-28 04:04:43,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:43,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:04:43,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:04:43,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:04:43,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:04:43,398 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:04:43,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:43,450 INFO L93 Difference]: Finished difference Result 237 states and 335 transitions. [2024-11-28 04:04:43,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:04:43,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 166 [2024-11-28 04:04:43,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:43,452 INFO L225 Difference]: With dead ends: 237 [2024-11-28 04:04:43,452 INFO L226 Difference]: Without dead ends: 120 [2024-11-28 04:04:43,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 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 04:04:43,453 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 325 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 04:04:43,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 325 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:04:43,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-28 04:04:43,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-28 04:04:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3131313131313131) internal successors, (130), 99 states have internal predecessors, (130), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:04:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2024-11-28 04:04:43,461 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 166 [2024-11-28 04:04:43,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:43,462 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2024-11-28 04:04:43,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:04:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2024-11-28 04:04:43,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 04:04:43,463 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:43,464 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:43,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:43,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:43,664 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:43,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:43,665 INFO L85 PathProgramCache]: Analyzing trace with hash 329872636, now seen corresponding path program 1 times [2024-11-28 04:04:43,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:04:43,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494890476] [2024-11-28 04:04:43,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:43,665 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 04:04:43,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:04:43,667 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:43,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:44,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:04:44,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:44,289 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 7 [2024-11-28 04:04:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:04:44,306 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:04:44,306 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:04:44,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494890476] [2024-11-28 04:04:44,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1494890476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:44,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:44,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:04:44,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221927289] [2024-11-28 04:04:44,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:44,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:04:44,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:04:44,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:04:44,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:04:44,308 INFO L87 Difference]: Start difference. First operand 120 states and 168 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:04:44,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:44,330 INFO L93 Difference]: Finished difference Result 237 states and 333 transitions. [2024-11-28 04:04:44,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:04:44,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 166 [2024-11-28 04:04:44,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:44,332 INFO L225 Difference]: With dead ends: 237 [2024-11-28 04:04:44,332 INFO L226 Difference]: Without dead ends: 120 [2024-11-28 04:04:44,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 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 04:04:44,334 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:44,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 325 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:04:44,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-28 04:04:44,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-28 04:04:44,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.303030303030303) internal successors, (129), 99 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:04:44,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2024-11-28 04:04:44,345 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 166 [2024-11-28 04:04:44,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:44,346 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2024-11-28 04:04:44,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:04:44,346 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2024-11-28 04:04:44,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 04:04:44,347 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:44,347 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:44,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:44,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:44,548 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:44,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:44,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1258475266, now seen corresponding path program 1 times [2024-11-28 04:04:44,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:04:44,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669653035] [2024-11-28 04:04:44,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:44,549 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 04:04:44,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:04:44,551 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:44,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:45,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 04:04:45,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:45,115 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 04:04:45,419 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 32 treesize of output 27 [2024-11-28 04:04:45,907 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:04:45,908 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 41 [2024-11-28 04:04:46,683 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:04:46,684 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 04:04:46,847 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 296 proven. 12 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-28 04:04:46,848 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:04:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:04:47,444 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:04:47,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669653035] [2024-11-28 04:04:47,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669653035] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:04:47,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:04:47,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 17 [2024-11-28 04:04:47,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038918133] [2024-11-28 04:04:47,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:47,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:04:47,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:04:47,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:04:47,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:04:47,446 INFO L87 Difference]: Start difference. First operand 120 states and 167 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:04:50,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:52,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:52,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:52,400 INFO L93 Difference]: Finished difference Result 398 states and 553 transitions. [2024-11-28 04:04:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:04:52,400 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 166 [2024-11-28 04:04:52,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:52,403 INFO L225 Difference]: With dead ends: 398 [2024-11-28 04:04:52,403 INFO L226 Difference]: Without dead ends: 281 [2024-11-28 04:04:52,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 314 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:04:52,404 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 205 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:52,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 1224 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-28 04:04:52,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-28 04:04:52,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 224. [2024-11-28 04:04:52,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 188 states have (on average 1.3085106382978724) internal successors, (246), 189 states have internal predecessors, (246), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-28 04:04:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 312 transitions. [2024-11-28 04:04:52,421 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 312 transitions. Word has length 166 [2024-11-28 04:04:52,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:52,422 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 312 transitions. [2024-11-28 04:04:52,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:04:52,422 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 312 transitions. [2024-11-28 04:04:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 04:04:52,424 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:52,424 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:52,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-28 04:04:52,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:52,624 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:52,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:52,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1910456933, now seen corresponding path program 1 times [2024-11-28 04:04:52,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:04:52,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886444296] [2024-11-28 04:04:52,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:52,626 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 04:04:52,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:04:52,627 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:52,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:04:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:53,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 04:04:53,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:53,143 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 7 treesize of output 3 [2024-11-28 04:04:53,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 04:04:54,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-11-28 04:04:54,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 04:04:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:04:54,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:04:54,845 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:04:54,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886444296] [2024-11-28 04:04:54,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [886444296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:04:54,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:04:54,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:04:54,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583922329] [2024-11-28 04:04:54,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:04:54,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:04:54,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:04:54,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:04:54,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:04:54,847 INFO L87 Difference]: Start difference. First operand 224 states and 312 transitions. Second operand has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:05:08,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:08,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:08,354 INFO L93 Difference]: Finished difference Result 900 states and 1246 transitions. [2024-11-28 04:05:08,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:05:08,356 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 166 [2024-11-28 04:05:08,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:08,361 INFO L225 Difference]: With dead ends: 900 [2024-11-28 04:05:08,361 INFO L226 Difference]: Without dead ends: 679 [2024-11-28 04:05:08,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:05:08,363 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 342 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:08,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 1502 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 638 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2024-11-28 04:05:08,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-11-28 04:05:08,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 588. [2024-11-28 04:05:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 499 states have (on average 1.3046092184368738) internal successors, (651), 503 states have internal predecessors, (651), 82 states have call successors, (82), 6 states have call predecessors, (82), 6 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-28 04:05:08,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 815 transitions. [2024-11-28 04:05:08,410 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 815 transitions. Word has length 166 [2024-11-28 04:05:08,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:08,411 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 815 transitions. [2024-11-28 04:05:08,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:05:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 815 transitions. [2024-11-28 04:05:08,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 04:05:08,413 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:05:08,413 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:08,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:08,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:08,614 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:05:08,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:05:08,614 INFO L85 PathProgramCache]: Analyzing trace with hash 105018599, now seen corresponding path program 1 times [2024-11-28 04:05:08,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:05:08,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117299125] [2024-11-28 04:05:08,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:08,615 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 04:05:08,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:05:08,616 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:08,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:09,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 04:05:09,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:05:09,056 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 7 treesize of output 3 [2024-11-28 04:05:11,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2024-11-28 04:05:11,478 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 7 [2024-11-28 04:05:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 380 proven. 54 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-28 04:05:11,565 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:05:12,327 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 29 treesize of output 17 [2024-11-28 04:05:12,603 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:05:12,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117299125] [2024-11-28 04:05:12,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117299125] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:05:12,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1702302013] [2024-11-28 04:05:12,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:12,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:05:12,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:05:12,606 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:05:12,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-28 04:05:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:14,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 04:05:14,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:05:14,424 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 7 treesize of output 3 [2024-11-28 04:05:15,229 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 04:05:18,365 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 380 proven. 54 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-28 04:05:18,365 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:05:18,678 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 29 treesize of output 17 [2024-11-28 04:05:18,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1702302013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:05:18,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:05:18,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2024-11-28 04:05:18,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540569433] [2024-11-28 04:05:18,839 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:05:18,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-28 04:05:18,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:05:18,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-28 04:05:18,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1230, Unknown=0, NotChecked=0, Total=1482 [2024-11-28 04:05:18,841 INFO L87 Difference]: Start difference. First operand 588 states and 815 transitions. Second operand has 32 states, 26 states have (on average 5.769230769230769) internal successors, (150), 27 states have internal predecessors, (150), 10 states have call successors, (38), 8 states have call predecessors, (38), 10 states have return successors, (38), 8 states have call predecessors, (38), 10 states have call successors, (38) [2024-11-28 04:05:22,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:25,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:27,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:28,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:28,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:28,908 INFO L93 Difference]: Finished difference Result 1062 states and 1463 transitions. [2024-11-28 04:05:28,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 04:05:28,910 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 26 states have (on average 5.769230769230769) internal successors, (150), 27 states have internal predecessors, (150), 10 states have call successors, (38), 8 states have call predecessors, (38), 10 states have return successors, (38), 8 states have call predecessors, (38), 10 states have call successors, (38) Word has length 166 [2024-11-28 04:05:28,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:28,915 INFO L225 Difference]: With dead ends: 1062 [2024-11-28 04:05:28,915 INFO L226 Difference]: Without dead ends: 841 [2024-11-28 04:05:28,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 438 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 927 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=630, Invalid=2792, Unknown=0, NotChecked=0, Total=3422 [2024-11-28 04:05:28,917 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 379 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 1818 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:28,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 1818 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2024-11-28 04:05:28,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-11-28 04:05:28,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 689. [2024-11-28 04:05:28,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 576 states have (on average 1.2934027777777777) internal successors, (745), 580 states have internal predecessors, (745), 101 states have call successors, (101), 11 states have call predecessors, (101), 11 states have return successors, (101), 97 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-28 04:05:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 947 transitions. [2024-11-28 04:05:28,980 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 947 transitions. Word has length 166 [2024-11-28 04:05:28,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:28,984 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 947 transitions. [2024-11-28 04:05:28,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 26 states have (on average 5.769230769230769) internal successors, (150), 27 states have internal predecessors, (150), 10 states have call successors, (38), 8 states have call predecessors, (38), 10 states have return successors, (38), 8 states have call predecessors, (38), 10 states have call successors, (38) [2024-11-28 04:05:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 947 transitions. [2024-11-28 04:05:28,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 04:05:28,986 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:05:28,986 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:28,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:29,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-28 04:05:29,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 04:05:29,391 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:05:29,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:05:29,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1624565269, now seen corresponding path program 1 times [2024-11-28 04:05:29,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:05:29,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438288660] [2024-11-28 04:05:29,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:29,392 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 04:05:29,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:05:29,393 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:29,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:29,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 04:05:29,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:05:30,077 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 7 treesize of output 3 [2024-11-28 04:05:31,200 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 27 treesize of output 15 [2024-11-28 04:05:31,404 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 04:05:32,025 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 04:05:32,679 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:05:32,679 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 50 treesize of output 46 [2024-11-28 04:05:33,287 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:05:33,287 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 36 treesize of output 26 [2024-11-28 04:05:33,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:05:33,446 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 52 treesize of output 24 [2024-11-28 04:05:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2024-11-28 04:05:33,568 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:05:33,568 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:05:33,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438288660] [2024-11-28 04:05:33,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438288660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:05:33,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:05:33,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 04:05:33,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406757389] [2024-11-28 04:05:33,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:05:33,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:05:33,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:05:33,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:05:33,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:05:33,570 INFO L87 Difference]: Start difference. First operand 689 states and 947 transitions. Second operand has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:05:39,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:05:41,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:05:46,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:05:48,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:05:48,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:48,521 INFO L93 Difference]: Finished difference Result 1713 states and 2360 transitions. [2024-11-28 04:05:48,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:05:48,522 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 167 [2024-11-28 04:05:48,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:48,528 INFO L225 Difference]: With dead ends: 1713 [2024-11-28 04:05:48,528 INFO L226 Difference]: Without dead ends: 1128 [2024-11-28 04:05:48,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:05:48,532 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 482 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 1776 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:48,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 1776 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2024-11-28 04:05:48,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2024-11-28 04:05:48,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 817. [2024-11-28 04:05:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 682 states have (on average 1.2932551319648093) internal successors, (882), 686 states have internal predecessors, (882), 120 states have call successors, (120), 14 states have call predecessors, (120), 14 states have return successors, (120), 116 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-28 04:05:48,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1122 transitions. [2024-11-28 04:05:48,618 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1122 transitions. Word has length 167 [2024-11-28 04:05:48,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:48,618 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 1122 transitions. [2024-11-28 04:05:48,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:05:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1122 transitions. [2024-11-28 04:05:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 04:05:48,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:05:48,620 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:48,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:48,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:48,821 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:05:48,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:05:48,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1115092179, now seen corresponding path program 1 times [2024-11-28 04:05:48,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:05:48,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198756716] [2024-11-28 04:05:48,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:48,823 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 04:05:48,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:05:48,825 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:48,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:49,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:05:49,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:05:50,867 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 04:05:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:05:50,924 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:05:50,924 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:05:50,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198756716] [2024-11-28 04:05:50,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198756716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:05:50,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:05:50,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:05:50,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447641637] [2024-11-28 04:05:50,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:05:50,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:05:50,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:05:50,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:05:50,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:05:50,926 INFO L87 Difference]: Start difference. First operand 817 states and 1122 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:05:52,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:54,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:56,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:56,207 INFO L93 Difference]: Finished difference Result 1727 states and 2374 transitions. [2024-11-28 04:05:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:05:56,208 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 167 [2024-11-28 04:05:56,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:56,213 INFO L225 Difference]: With dead ends: 1727 [2024-11-28 04:05:56,214 INFO L226 Difference]: Without dead ends: 1021 [2024-11-28 04:05:56,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:05:56,216 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 209 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:56,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 879 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-28 04:05:56,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2024-11-28 04:05:56,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 856. [2024-11-28 04:05:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 721 states have (on average 1.289875173370319) internal successors, (930), 725 states have internal predecessors, (930), 120 states have call successors, (120), 14 states have call predecessors, (120), 14 states have return successors, (120), 116 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-28 04:05:56,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1170 transitions. [2024-11-28 04:05:56,301 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1170 transitions. Word has length 167 [2024-11-28 04:05:56,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:56,301 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1170 transitions. [2024-11-28 04:05:56,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:05:56,301 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1170 transitions. [2024-11-28 04:05:56,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 04:05:56,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:05:56,303 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:56,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 04:05:56,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:56,503 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:05:56,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:05:56,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1464805076, now seen corresponding path program 1 times [2024-11-28 04:05:56,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:05:56,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451110239] [2024-11-28 04:05:56,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:56,505 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 04:05:56,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:05:56,506 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:56,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:05:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:56,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 04:05:56,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:05:57,012 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 7 treesize of output 3 [2024-11-28 04:05:57,721 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 27 treesize of output 15 [2024-11-28 04:05:57,843 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 04:05:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:05:58,596 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:05:58,596 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:05:58,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1451110239] [2024-11-28 04:05:58,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1451110239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:05:58,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:05:58,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:05:58,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888201904] [2024-11-28 04:05:58,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:05:58,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:05:58,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:05:58,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:05:58,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:05:58,599 INFO L87 Difference]: Start difference. First operand 856 states and 1170 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:06:00,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:06:01,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:06:03,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:06:05,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:06:05,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:06:05,932 INFO L93 Difference]: Finished difference Result 2068 states and 2837 transitions. [2024-11-28 04:06:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:06:05,943 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 167 [2024-11-28 04:06:05,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:06:05,948 INFO L225 Difference]: With dead ends: 2068 [2024-11-28 04:06:05,948 INFO L226 Difference]: Without dead ends: 1340 [2024-11-28 04:06:05,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:06:05,951 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 251 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:06:05,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 766 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-11-28 04:06:05,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-11-28 04:06:06,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1249. [2024-11-28 04:06:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1249 states, 1061 states have (on average 1.2874646559849199) internal successors, (1366), 1068 states have internal predecessors, (1366), 169 states have call successors, (169), 18 states have call predecessors, (169), 18 states have return successors, (169), 162 states have call predecessors, (169), 169 states have call successors, (169) [2024-11-28 04:06:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1704 transitions. [2024-11-28 04:06:06,074 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1704 transitions. Word has length 167 [2024-11-28 04:06:06,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:06:06,074 INFO L471 AbstractCegarLoop]: Abstraction has 1249 states and 1704 transitions. [2024-11-28 04:06:06,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:06:06,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1704 transitions. [2024-11-28 04:06:06,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 04:06:06,076 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:06:06,076 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:06:06,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Ended with exit code 0 [2024-11-28 04:06:06,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:06,277 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:06:06,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:06:06,277 INFO L85 PathProgramCache]: Analyzing trace with hash -224138666, now seen corresponding path program 1 times [2024-11-28 04:06:06,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:06:06,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1383696224] [2024-11-28 04:06:06,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:06,278 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 04:06:06,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:06:06,280 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:06,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:06:06,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:06:06,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:06:06,680 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 04:06:06,794 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:06:06,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:06:06,794 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:06:06,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1383696224] [2024-11-28 04:06:06,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1383696224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:06:06,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:06:06,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:06:06,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561436905] [2024-11-28 04:06:06,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:06:06,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:06:06,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:06:06,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:06:06,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:06:06,795 INFO L87 Difference]: Start difference. First operand 1249 states and 1704 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:06:07,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:06:07,275 INFO L93 Difference]: Finished difference Result 3156 states and 4333 transitions. [2024-11-28 04:06:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:06:07,276 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 167 [2024-11-28 04:06:07,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:06:07,281 INFO L225 Difference]: With dead ends: 3156 [2024-11-28 04:06:07,281 INFO L226 Difference]: Without dead ends: 2090 [2024-11-28 04:06:07,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 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 04:06:07,283 INFO L435 NwaCegarLoop]: 280 mSDtfsCounter, 157 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:06:07,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 1249 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:06:07,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2024-11-28 04:06:07,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 2062. [2024-11-28 04:06:07,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2062 states, 1749 states have (on average 1.288164665523156) internal successors, (2253), 1761 states have internal predecessors, (2253), 284 states have call successors, (284), 28 states have call predecessors, (284), 28 states have return successors, (284), 272 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-28 04:06:07,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2821 transitions. [2024-11-28 04:06:07,474 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2821 transitions. Word has length 167 [2024-11-28 04:06:07,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:06:07,474 INFO L471 AbstractCegarLoop]: Abstraction has 2062 states and 2821 transitions. [2024-11-28 04:06:07,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:06:07,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2821 transitions. [2024-11-28 04:06:07,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 04:06:07,476 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:06:07,476 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:06:07,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:07,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:07,677 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:06:07,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:06:07,678 INFO L85 PathProgramCache]: Analyzing trace with hash 786978584, now seen corresponding path program 1 times [2024-11-28 04:06:07,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:06:07,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447623569] [2024-11-28 04:06:07,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:07,678 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 04:06:07,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:06:07,680 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:07,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:06:08,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 04:06:08,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:06:08,257 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 7 treesize of output 3 [2024-11-28 04:06:09,040 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 27 treesize of output 15 [2024-11-28 04:06:09,167 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 31 treesize of output 15 [2024-11-28 04:06:09,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 04:06:09,875 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 27 treesize of output 11 [2024-11-28 04:06:09,969 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:06:09,970 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:06:09,970 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:06:09,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447623569] [2024-11-28 04:06:09,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447623569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:06:09,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:06:09,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:06:09,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199964906] [2024-11-28 04:06:09,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:06:09,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:06:09,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:06:09,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:06:09,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:06:09,971 INFO L87 Difference]: Start difference. First operand 2062 states and 2821 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:06:11,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:06:13,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:06:16,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:06:16,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:06:16,778 INFO L93 Difference]: Finished difference Result 3885 states and 5334 transitions. [2024-11-28 04:06:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:06:16,789 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 167 [2024-11-28 04:06:16,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:06:16,798 INFO L225 Difference]: With dead ends: 3885 [2024-11-28 04:06:16,798 INFO L226 Difference]: Without dead ends: 2225 [2024-11-28 04:06:16,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:06:16,802 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 237 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:06:16,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 679 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-28 04:06:16,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2225 states. [2024-11-28 04:06:16,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2225 to 2047. [2024-11-28 04:06:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 1734 states have (on average 1.284890426758939) internal successors, (2228), 1746 states have internal predecessors, (2228), 284 states have call successors, (284), 28 states have call predecessors, (284), 28 states have return successors, (284), 272 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-28 04:06:16,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 2796 transitions. [2024-11-28 04:06:16,985 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 2796 transitions. Word has length 167 [2024-11-28 04:06:16,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:06:16,986 INFO L471 AbstractCegarLoop]: Abstraction has 2047 states and 2796 transitions. [2024-11-28 04:06:16,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:06:16,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2796 transitions. [2024-11-28 04:06:16,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 04:06:16,988 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:06:16,988 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:06:16,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:17,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:17,189 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:06:17,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:06:17,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1910716016, now seen corresponding path program 1 times [2024-11-28 04:06:17,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:06:17,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390562238] [2024-11-28 04:06:17,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:17,191 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 04:06:17,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:06:17,193 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:17,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:06:17,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:06:17,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:06:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:06:17,676 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:06:17,676 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:06:17,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390562238] [2024-11-28 04:06:17,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1390562238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:06:17,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:06:17,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:06:17,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419301639] [2024-11-28 04:06:17,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:06:17,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:06:17,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:06:17,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:06:17,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:06:17,677 INFO L87 Difference]: Start difference. First operand 2047 states and 2796 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:06:17,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:06:17,833 INFO L93 Difference]: Finished difference Result 3960 states and 5428 transitions. [2024-11-28 04:06:17,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:06:17,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 168 [2024-11-28 04:06:17,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:06:17,841 INFO L225 Difference]: With dead ends: 3960 [2024-11-28 04:06:17,841 INFO L226 Difference]: Without dead ends: 2104 [2024-11-28 04:06:17,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 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 04:06:17,844 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 631 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 04:06:17,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 631 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:06:17,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2024-11-28 04:06:18,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 2104. [2024-11-28 04:06:18,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2104 states, 1791 states have (on average 1.275823562255723) internal successors, (2285), 1803 states have internal predecessors, (2285), 284 states have call successors, (284), 28 states have call predecessors, (284), 28 states have return successors, (284), 272 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-28 04:06:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2853 transitions. [2024-11-28 04:06:18,035 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2853 transitions. Word has length 168 [2024-11-28 04:06:18,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:06:18,036 INFO L471 AbstractCegarLoop]: Abstraction has 2104 states and 2853 transitions. [2024-11-28 04:06:18,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:06:18,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2853 transitions. [2024-11-28 04:06:18,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 04:06:18,039 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:06:18,039 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:06:18,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2024-11-28 04:06:18,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:18,240 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:06:18,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:06:18,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1314542109, now seen corresponding path program 1 times [2024-11-28 04:06:18,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:06:18,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974769697] [2024-11-28 04:06:18,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:18,241 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 04:06:18,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:06:18,242 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:18,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:06:18,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:06:18,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:06:18,848 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 04:06:18,880 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 35 treesize of output 19 [2024-11-28 04:06:19,033 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 26 treesize of output 14 [2024-11-28 04:06:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:06:19,135 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:06:19,135 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:06:19,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974769697] [2024-11-28 04:06:19,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974769697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:06:19,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:06:19,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:06:19,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792257531] [2024-11-28 04:06:19,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:06:19,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:06:19,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:06:19,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:06:19,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:06:19,137 INFO L87 Difference]: Start difference. First operand 2104 states and 2853 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:06:23,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:06:24,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:06:26,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:06:27,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:06:27,233 INFO L93 Difference]: Finished difference Result 3860 states and 5253 transitions. [2024-11-28 04:06:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:06:27,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 168 [2024-11-28 04:06:27,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:06:27,239 INFO L225 Difference]: With dead ends: 3860 [2024-11-28 04:06:27,239 INFO L226 Difference]: Without dead ends: 2069 [2024-11-28 04:06:27,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 164 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 04:06:27,241 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 52 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:06:27,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 589 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2024-11-28 04:06:27,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2024-11-28 04:06:27,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2067. [2024-11-28 04:06:27,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1754 states have (on average 1.2685290763968073) internal successors, (2225), 1766 states have internal predecessors, (2225), 284 states have call successors, (284), 28 states have call predecessors, (284), 28 states have return successors, (284), 272 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-28 04:06:27,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2793 transitions. [2024-11-28 04:06:27,412 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2793 transitions. Word has length 168 [2024-11-28 04:06:27,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:06:27,412 INFO L471 AbstractCegarLoop]: Abstraction has 2067 states and 2793 transitions. [2024-11-28 04:06:27,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:06:27,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2793 transitions. [2024-11-28 04:06:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 04:06:27,414 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:06:27,414 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:06:27,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:27,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:27,615 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:06:27,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:06:27,615 INFO L85 PathProgramCache]: Analyzing trace with hash -943861640, now seen corresponding path program 1 times [2024-11-28 04:06:27,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:06:27,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784962777] [2024-11-28 04:06:27,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:27,616 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 04:06:27,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:06:27,617 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 04:06:27,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7949d-65fa-401b-bfc6-98b5adff1514/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process